Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	● d4 (1v0), ● e5 (1v0)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	6 (● b1, ● g1, ● c1, ● f1, ● a1, ● h1)	6 (● b8, ● g8, ● c8, ● f8, ● a8, ● h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre	● Au centre
Droits de roque	O-O / O-O-O	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	mobile
Ruptures	—	● …c7-c5, ● …e7-e5

A40 — A40 - A49 1. d4

● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. e4 (Centre d4+e4, libère Bf1) ; Nbd2 (Développer Nb1) ; Nf3 (Développer Ng1) ; Be3 (Développer Bc1) ; c3 (Renforcer le centre).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Nc6 (Développer Nb8) ; ...Nf6 (Développer Ng8) ; ...d6 (Libérer Bc8) ; ...c5 (Frapper le centre adverse) ; ...e5 (Occuper le centre).

Avantages

Faiblesses

Diagonale active

Plans

├── A40 - 1.d4 - Queen's Pawn Game [+0.34] · 550 parties

│ ├── A40a - 1…* - Queen's Pawn Game (1907) [+0.18] · 2 parties

│ ├── A40b - 1…c6 - Queen’s Pawn (1959) [+0.32] · 5 parties

│ │ ├── A40b - 2.* - Queen’s Pawn · 1 partie

│ │ ├── A40b - 2.Nf3 - Queen’s Pawn (1931) [+0.29] · 2 parties

│ │ └── A40b - 2.c4 - Queen’s Pawn (1946) [+0.32] · 2 parties

│ │ └── A40b - 2…* - Queen’s Pawn · 2 parties

│ ├── A40c - 1…b5 - Polish Defense (1933) [+1.28] · 19 parties

│ │ ├── A40c - 2.* - Polish Defense · 4 parties

│ │ └── A40c - 2.e4 - Polish Defence [+1.28] · 15 parties

│ │ └── A40c - 2…Bb7 - Polish Defence (1926) [+1.21] · 15 parties

│ │ ├── A40c - 3.* - Polish Defence · 14 parties

│ │ └── A40c - 3.Bxb5 - Spassky Gambit Accepted (2023) [+0.68] · 1 partie

│ ├── A40d - 1…b6 - English Defense [+0.87] · 127 parties

│ │ └── A40d - 2.c4 - English Defence [+0.61] · 127 parties

│ │ ├── A40d - 2…Bb7 - English Defence (1909) [+0.64] · 14 parties

│ │ │ └── A40d - 3.* - English Defence · 14 parties

│ │ └── A40e - 2…e6 - English Defence (1920) [+0.72] · 113 parties

│ │ ├── A40e - 3.* - English Defence · 22 parties

│ │ ├── A40f - 3.a3 - English Defence (1994) [+0.28] · 25 parties

│ │ ├── A40g - 3.e4 - English Defence (1912) [+0.47] · 45 parties

│ │ │ └── A40g - 3…* - English Defence · 45 parties

│ │ └── A40h - 3.Nc3 - English Defence (1911) [+0.45] · 21 parties

│ ├── A40i - 1…e5 - Englund Gambit [+1.28] · 3 parties

│ │ └── A40i - 2.dxe5 - Englund Gambit Accepted [+1.38] · 3 parties

│ │ └── A40i - 2…Nc6 - Englund Gambit [+1.34] · 3 parties

│ │ └── A40i - 3.Nf3 - Englund Gambit (2021) [+1.33] · 3 parties

│ │ ├── A40i - 3…* - Englund Gambit · 1 partie

│ │ ├── A40i - 3…Qe7 - Main Line (1967) [+1.51] · 1 partie

│ │ └── A40i - 3…f6 - Soller Gambit Deferred (1961) [+1.63] · 1 partie

│ ├── A40j - 1…Nc6 - Mikenas Defense (1920) [+0.64] · 45 parties

│ │ ├── A40j - 2.* - Mikenas Defense · 2 parties

│ │ ├── A40j - 2.d5 - Bogoljubow-Miles (1925) [+0.67] · 15 parties

│ │ ├── A40k - 2.c4 - Bogoljubow-Miles (1936) [+0.49] · 16 parties

│ │ │ └── A40k - 2…* - Bogoljubow-Miles · 16 parties

│ │ └── A40l - 2.Nf3 - Bogoljubow-Miles (1932) [+0.55] · 12 parties

│ ├── A40m - 1…e6 - Horwitz Defense (1903) [+0.31] · 194 parties

│ │ ├── A40m - 2.* - Horwitz Defense · 53 parties

│ │ ├── A40n - 2.Nf3 - Queen’s Pawn (1911) [+0.15] · 19 parties

│ │ │ ├── A40n - 2…* - Queen’s Pawn · 5 parties

│ │ │ └── A40n - 2…c5 - Queen’s Pawn (1925) [+0.41] · 14 parties

│ │ └── A40o - 2.c4 - Queen’s Pawn (1909) [+0.26] · 122 parties

│ │ ├── A40o - 2…* - Queen’s Pawn · 4 parties

│ │ └── A40p - 2…Bb4+ - Kangaroo Defense (1912) [+0.34] · 118 parties (dont 1 ici)

│ │ ├── A40p - 3.* - Kangaroo Defense · 56 parties

│ │ └── A40q - 3.Bd2 - Keres Defence (1929) [+0.29] · 61 parties

│ │ ├── A40q - 3…* - Keres Defence · 28 parties

│ │ ├── A40q - 3…Bxd2+ - Keres Defence (1925) [+0.30] · 16 parties

│ │ │ ├── A40q - 4.* - Keres Defence · 15 parties

│ │ │ └── A40q - 4.Qxd2 b6 5.Nc3 Bb7 6.e4 Nh6 - Kangaroo Variation (1993) [+1.39] · 1 partie

│ │ └── A40r - 3…a5 - Keres Defence (1962) [+0.43] · 17 parties

│ └── A40s - 1…g6 - Modern Defense (1950) [+0.59] · 157 parties

│ ├── A40s - 2.* - Modern Defense · 28 parties

│ ├── A40t - 2.Nf3 - Modern (1924) [+0.31] · 39 parties

│ └── A40u - 2.c4 - Modern (1975) [+0.31] · 90 parties

│ ├── A40u - 2…* - Modern · 1 partie

│ └── A40u - 2…Bg7 - Modern (1963) [+0.49] · 89 parties

│ ├── A40u - 3.* - Modern · 6 parties

│ ├── A40v - 3.e4 - Modern (1952) [+0.44] · 29 parties

│ ├── A40w - 3.Nf3 - Modern [+0.34] · 22 parties

│ │ └── A40w - 3…c5 - Modern (1904) [+0.72] · 22 parties

│ └── A40x - 3.Nc3 - Modern (1955) [+0.50] · 32 parties

│ ├── A40x - 3…* - Modern · 6 parties

│ └── A40x - 3…c5 - Modern (1925) [+0.51] · 26 parties

│ ├── A40x - 4.* - Modern · 5 parties

│ └── A40x - 4.d5 - Modern (1958) [+0.51] · 21 parties

│ ├── A40x - 4…* - Modern · 19 parties

│ └── A40y - 4…Bxc3+ 5.bxc3 f5 - Beefeater Variation (2019) [+0.72] · 2 parties

├── A41 - 1.d4 d6 - Queen's Pawn Game [+0.71] · 414 parties

│ ├── A41a - 2.* - Queen's Pawn Game (1914) [+0.45] · 9 parties

│ ├── A41b - 2.Bg5 - Neo-Old Indian (2002) [+0.16] · 2 parties

│ ├── A41c - 2.g3 - Neo-Old Indian (1926) [+0.40] · 9 parties

│ ├── A41d - 2.Nf3 - Neo-Old Indian (1923) [+0.44] · 167 parties

│ │ ├── A41d - 2…* - Neo-Old Indian · 22 parties

│ │ ├── A41e - 2…g6 - Neo-Old Indian / Modern (1961) [+0.45] · 51 parties

│ │ │ ├── A41e - 3.* - Neo-Old Indian / Modern · 4 parties

│ │ │ ├── A41e - 3.Bf4 - Neo-Old Indian / Modern [+0.53] · 5 parties

│ │ │ │ └── A41e - 3…Bg7 - Neo-Old Indian / Modern (1926) [+0.42] · 5 parties

│ │ │ └── A41e - 3.g3 - Neo-Old Indian / Modern (2014) [+0.36] · 42 parties

│ │ │ ├── A41e - 3…* - Neo-Old Indian / Modern · 1 partie

│ │ │ └── A41e - 3…Bg7 - Neo-Old Indian / Modern [+0.34] · 41 parties

│ │ │ └── A41e - 4.Bg2 - Neo-Old Indian / Modern (1946) [+0.44] · 41 parties

│ │ └── A41f - 2…Bg4 - Wade Defense (1950) [+1.01] · 94 parties

│ │ ├── A41f - 3.* - Wade Defense · 14 parties

│ │ ├── A41f - 3.e3 - Neo-Old Indian: Wade Defence (1960) [+0.55] · 7 parties

│ │ │ ├── A41f - 3…* - Neo-Old Indian: Wade Defence · 3 parties

│ │ │ ├── A41f - 3…Nd7 - Neo-Old Indian: Wade Defence (1963) [+0.54] · 2 parties

│ │ │ └── A41f - 3…Nf6 - Neo-Old Indian: Wade Defence (1913) [+0.64] · 2 parties

│ │ ├── A41g - 3.c4 - Neo-Old Indian: Wade Defence (1967) [+0.67] · 47 parties

│ │ │ ├── A41g - 3…* - Neo-Old Indian: Wade Defence · 3 parties

│ │ │ ├── A41g - 3…e5 - Neo-Old Indian: Wade Defence [+0.80] · 17 parties

│ │ │ │ ├── A41g - 4.Nc3 - Neo-Old Indian: Wade Defence (1967) [+0.88] · 16 parties

│ │ │ │ │ ├── A41g - 4…* - Neo-Old Indian: Wade Defence · 1 partie

│ │ │ │ │ └── A41g - 4…Nc6 - Neo-Old Indian: Wade Defence (1925) [+1.24] · 15 parties

│ │ │ │ └── A41g - 4.dxe5 - Neo-Old Indian: Wade Defence (1996) [+0.53] · 1 partie

│ │ │ │ └── A41g - 4…* - Neo-Old Indian: Wade Defence · 1 partie

│ │ │ ├── A41h - 3…Nd7 - Neo-Old Indian: Wade Defence (1990) [+0.80] · 16 parties

│ │ │ │ ├── A41h - 4.* - Neo-Old Indian: Wade Defence · 7 parties

│ │ │ │ └── A41h - 4.Nc3 - Neo-Old Indian: Wade Defence [+0.89] · 9 parties

│ │ │ │ └── A41h - 4…e5 - Neo-Old Indian: Wade Defence (1955) [+0.83] · 9 parties

│ │ │ └── A41i - 3…Bxf3 - Neo-Old Indian: Wade Defence (1994) [+0.87] · 11 parties

│ │ └── A41j - 3.e4 - Neo-Old Indian: Wade Defence (1950) [+1.04] · 26 parties

│ │ ├── A41j - 3…* - Neo-Old Indian: Wade Defence · 8 parties

│ │ └── A41k - 3…Nf6 - Neo-Old Indian: Wade Defence (1938) [+0.97] · 18 parties

│ └── A41l - 2.c4 - Old Indian Defense (1947) [+0.27] · 227 parties

│ ├── A41l - 2…* - Old Indian Defense · 5 parties

│ ├── A41m - 2…e5 - Rat Defense: English Rat (2014) [+0.28] · 38 parties

│ │ ├── A41m - 3.* - Rat Defense: English Rat · 1 partie

│ │ ├── A41n - 3.d5 - Neo-Old Indian (1950) [+0.33] · 6 parties

│ │ ├── A41o - 3.dxe5 - Neo-Old Indian [-0.13] · 8 parties

│ │ │ └── A41o - 3…dxe5 4.Qxd8+ Kxd8 - Queenswap (1950) [+0.02] · 8 parties

│ │ └── A41p - 3.Nf3 - Neo-Old Indian (1925) [+0.29] · 23 parties

│ │ ├── A41p - 3…* - Neo-Old Indian · 16 parties

│ │ └── A41p - 3…e4 - Neo-Old Indian (1958) [+0.30] · 7 parties

│ └── A41q - 2…g6 - Neo-Old Indian: Modern (1961) [+0.53] · 184 parties

│ ├── A41q - 3.* - Neo-Old Indian: Modern · 1 partie

│ ├── A41q - 3.e4 - Neo-Old Indian: Modern (1970) [+0.53] · 19 parties

│ │ ├── A41q - 3…* - Neo-Old Indian: Modern · 8 parties

│ │ └── A41q - 3…Bg7 - Neo-Old Indian: Modern (1953) [+0.52] · 11 parties

│ ├── A41r - 3.Nf3 - Neo-Old Indian: Modern (2015) [+0.45] · 55 parties

│ │ ├── A41r - 3…* - Neo-Old Indian: Modern · 1 partie

│ │ └── A41r - 3…Bg7 - Neo-Old Indian: Modern [+0.41] · 54 parties

│ │ ├── A41r - 4.g3 - Neo-Old Indian: Modern (1956) [+0.38] · 28 parties

│ │ └── A41s - 4.e4 - Neo-Old Indian: Modern (1947) [+0.32] · 26 parties

│ │ ├── A41s - 4…* - Neo-Old Indian: Modern · 6 parties

│ │ └── A41s - 4…Bg4 - Modern, Rossolimo Variation (1947) [+0.33] · 20 parties

│ └── A41t - 3.Nc3 - Neo-Old Indian: Modern (1968) [+0.53] · 109 parties

│ ├── A41t - 3…* - Neo-Old Indian: Modern · 2 parties

│ └── A41t - 3…Bg7 - Neo-Old Indian: Modern (1911) [+0.55] · 107 parties

│ ├── A41t - 4.* - Neo-Old Indian: Modern · 14 parties

│ └── A41u - 4.Nf3 - Neo-Old Indian: Modern (1956) [+0.48] · 93 parties

│ ├── A41u - 4…* - Neo-Old Indian: Modern · 45 parties

│ └── A41v - 4…Bg4 - Neo-Old Indian: Modern (1960) [+0.55] · 48 parties

│ ├── A41v - 5.* - Neo-Old Indian: Modern · 12 parties

│ └── A41w - 5.e3 - Neo-Old Indian: Modern (1960) [+0.59] · 36 parties

│ ├── A41w - 5…* - Neo-Old Indian: Modern · 25 parties

│ └── A41w - 5…Nc6 - Neo-Old Indian: Modern (1960) [+0.67] · 11 parties

├── A42 - 1.d4 d6 2.c4 g6 3.Nc3 Bg7 4.e4 - Modern [+0.54] · 374 parties

│ ├── A42a - 4…* - Averbakh (1958) [+0.60] · 11 parties

│ ├── A42b - 4…f5 - Averbakh, Randspringer Variation (1958) [+0.95] · 5 parties

│ │ ├── A42b - 5.* - Averbakh, Randspringer Variation · 3 parties

│ │ └── A42b - 5.Nf3 - Averbakh, Randspringer (1961) [+0.90] · 2 parties

│ ├── A42c - 4…c5 - c4 Pterodactyl (1926) [+0.68] · 29 parties

│ │ ├── A42c - 5.* - c4 Pterodactyl · 19 parties

│ │ └── A42c - 5.Nf3 - c4 Pterodactyl (1957) [+0.55] · 10 parties

│ │ ├── A42c - 5…* - c4 Pterodactyl · 8 parties

│ │ └── A42c - 5…Qa5 - c4 Pterodactyl (2000) [+0.83] · 2 parties

│ ├── A42d - 4…c6 - Averbakh (1958) [+0.82] · 25 parties

│ │ ├── A42d - 5.* - Averbakh · 8 parties

│ │ ├── A42d - 5.Be3 - Averbakh (1928) [+0.71] · 6 parties

│ │ └── A42e - 5.Nf3 - Averbakh (1928) [+0.67] · 11 parties

│ ├── A42f - 4…Nd7 - Averbakh (1956) [+0.59] · 24 parties

│ │ ├── A42f - 5.* - Averbakh · 20 parties

│ │ └── A42f - 5.Nf3 - Averbakh (1924) [+0.70] · 4 parties

│ ├── A42g - 4…Nc6 - Averbakh, Kotov Variation [+0.77] · 130 parties

│ │ ├── A42g - 5.Nf3 - Averbakh, Kotov (2021) [+0.24] · 1 partie

│ │ ├── A42g - 5.Nge2 - Averbakh, Kotov (1966) [+0.61] · 9 parties

│ │ ├── A42h - 5.d5 - Averbakh, Kotov (1957) [+0.69] · 24 parties

│ │ └── A42i - 5.Be3 - Averbakh, Kotov (1960) [+0.76] · 96 parties

│ │ ├── A42i - 5…* - Averbakh, Kotov · 7 parties

│ │ └── A42j - 5…e5 - Averbakh, Kotov (2021) [+0.79] · 89 parties

│ │ ├── A42j - 6.* - Averbakh, Kotov · 1 partie

│ │ ├── A42j - 6.Nge2 - Averbakh, Kotov (1955) [+0.53] · 45 parties

│ │ └── A42k - 6.d5 - Averbakh, Kotov (1958) [+0.76] · 43 parties

│ │ ├── A42k - 6…* - Averbakh, Kotov · 13 parties

│ │ └── A42l - 6…Nce7 - Averbakh, Kotov (1953) [+0.77] · 30 parties

│ │ ├── A42l - 7.* - Averbakh, Kotov · 12 parties

│ │ ├── A42l - 7.c5 - Averbakh, Kotov (1966) [+0.71] · 6 parties

│ │ └── A42m - 7.g4 - Averbakh, Kotov (1958) [+0.64] · 12 parties

│ └── A42n - 4…e5 - Averbakh (1956) [+0.52] · 150 parties

│ ├── A42n - 5.* - Averbakh · 8 parties

│ ├── A42o - 5.Nge2 - Averbakh (1962) [+0.60] · 12 parties

│ ├── A42p - 5.Nf3 - Averbakh (1958) [+0.52] · 81 parties

│ │ ├── A42p - 5…* - Averbakh · 27 parties

│ │ └── A42q - 5…Nd7 - Averbakh (1907) [+0.68] · 54 parties

│ │ ├── A42q - 6.* - Averbakh · 17 parties

│ │ └── A42r - 6.Be2 - Averbakh (1958) [+0.71] · 37 parties

│ │ ├── A42r - 6…* - Averbakh · 11 parties

│ │ └── A42s - 6…Ne7 - Averbakh (1959) [+0.75] · 26 parties

│ ├── A42t - 5.d5 - Averbakh (1959) [+0.51] · 37 parties

│ │ ├── A42t - 5…* - Averbakh · 26 parties

│ │ └── A42u - 5…Nd7 - Averbakh (1960) [+0.66] · 11 parties

│ └── A42v - 5.dxe5 - Averbakh (2009) [+0.36] · 12 parties

│ ├── A42v - 5…* - Averbakh · 1 partie

│ └── A42v - 5…dxe5 - Averbakh [+0.34] · 11 parties

│ └── A42v - 6.Qxd8+ Kxd8 - Queenswap (1958) [+0.31] · 11 parties

│ ├── A42v - 7.* - Averbakh, Queenswap · 7 parties

│ └── A42w - 7.f4 - Averbakh, Queenswap (1965) [+0.27] · 4 parties

├── A43 - 1.d4 c5 - Benoni Defense: Old Benoni [+0.72] · 498 parties

│ ├── A43a - 2.* - Old Benoni (1921) [+0.87] · 13 parties

│ ├── A43b - 2.dxc5 - Benoni Gambit Accepted (1907) [+0.20] · 21 parties

│ │ └── A43b - 2…* - Benoni Gambit Accepted · 21 parties

│ ├── A43c - 2.c3 - Old Benoni (1949) [+0.10] · 10 parties

│ ├── A43d - 2.e3 - Old Benoni (1908) [+0.22] · 13 parties

│ └── A43e - 2.d5 - Old Benoni (1907) [+0.59] · 441 parties

│ ├── A43e - 2…* - Old Benoni · 13 parties

│ ├── A43e - 2…b5 - Old Benoni (1949) [+1.21] · 3 parties

│ ├── A43f - 2…e6 - Old Benoni (1950) [+0.87] · 58 parties

│ │ ├── A43f - 3.* - Old Benoni · 5 parties

│ │ ├── A43g - 3.e4 - Franco-Benoni (1901) [+0.72] · 24 parties

│ │ └── A43h - 3.c4 - Old Benoni (1954) [+0.79] · 29 parties

│ │ ├── A43h - 3…* - Old Benoni · 2 parties

│ │ └── A43h - 3…exd5 4.cxd5 - Old Benoni (1958) [+0.80] · 27 parties

│ │ ├── A43h - 4…* - Old Benoni · 4 parties

│ │ └── A43h - 4…d6 - Old Benoni (2019) [+0.68] · 23 parties

│ │ ├── A43h - 5.* - Old Benoni · 2 parties

│ │ ├── A43h - 5.e4 - Old Benoni (1939) [+0.68] · 4 parties

│ │ └── A43i - 5.Nc3 - Old Benoni (2016) [+0.65] · 17 parties

│ │ ├── A43i - 5…* - Old Benoni · 7 parties

│ │ └── A43i - 5…g6 6.e4 Bg7 - Old Benoni (1961) [+0.59] · 10 parties

│ │ ├── A43i - 7.* - Old Benoni · 6 parties

│ │ └── A43i - 7.Nf3 - Old Benoni (1964) [+0.57] · 4 parties

│ ├── A43j - 2…f5 - Mujannah Formation (1952) [+1.50] · 10 parties

│ │ ├── A43j - 3.* - Old Benoni, Mujannah Formation · 4 parties

│ │ ├── A43j - 3.Nc3 - Clarendon Court (1952) [+1.45] · 2 parties

│ │ ├── A43j - 3.c4 - Clarendon Court (1949) [+0.95] · 1 partie

│ │ └── A43j - 3.g3 - Clarendon Court (1950) [+0.81] · 3 parties

│ ├── A43k - 2…Nf6 - Benoni-Indian Defense (1953) [+0.68] · 75 parties

│ │ ├── A43k - 3.* - Benoni-Indian Defense · 3 parties

│ │ ├── A43k - 3.Nc3 - Old Benoni (1961) [+0.73] · 6 parties

│ │ │ ├── A43k - 3…* - Old Benoni · 4 parties

│ │ │ └── A43k - 3…Qa5 - Benoni Defense: Woozle (1965) [+1.34] · 2 parties

│ │ └── A43l - 3.Nf3 - Kingside Move Order [+0.59] · 66 parties

│ │ ├── A43l - 3…e6 - Old Benoni [+0.72] · 14 parties

│ │ │ └── A43l - 4.Nc3 - Old Benoni (1926) [+0.40] · 14 parties

│ │ ├── A43m - 3…g6 - Old Benoni (1930) [+0.76] · 13 parties

│ │ │ ├── A43m - 4.* - Old Benoni · 5 parties

│ │ │ └── A43m - 4.Nc3 - Old Benoni (1966) [+0.68] · 8 parties

│ │ └── A43n - 3…b5 - Old Benoni: Neo-Benko (1936) [+0.50] · 39 parties

│ │ ├── A43n - 4.* - Old Benoni: Neo-Benko · 7 parties

│ │ └── A43o - 4.Bg5 - Old Benoni: Neo-Benko (1928) [+0.57] · 32 parties

│ │ ├── A43o - 4…* - Old Benoni: Neo-Benko · 22 parties

│ │ ├── A43p - 4…d6 - Old Benoni: Neo-Benko (1992) [+0.41] · 3 parties

│ │ └── A43q - 4…Ne4 - Old Benoni: Neo-Benko (1951) [+0.66] · 7 parties

│ └── A43s - 2…d6 - Old Benoni (1907) [+0.71] · 282 parties

│ ├── A43s - 3.* - Old Benoni · 38 parties

│ ├── A43s - 3.Nc3 - Schmidt (1953) [+0.68] · 14 parties

│ │ ├── A43s - 3…* - Old Benoni: Schmidt · 3 parties

│ │ ├── A43s - 3…Nf6 - Old Benoni: Schmidt (1950) [+0.78] · 4 parties

│ │ └── A43s - 3…g6 - Benoni Defense: Old Benoni, Schmid Variation (1954) [+0.68] · 7 parties

│ ├── A43s - 3.Nf3 - Schmidt (1957) [+0.54] · 28 parties

│ │ ├── A43s - 3…* - Old Benoni: Schmidt · 3 parties

│ │ └── A43s - 3…Nf6 - Old Benoni: Schmidt (1921) [+0.63] · 25 parties

│ └── A43s - 3.e4 - Schmidt (1938) [+0.73] · 202 parties

│ ├── A43s - 3…* - Old Benoni: Schmidt · 3 parties

│ ├── A43t - 3…g6 - Old Benoni: Schmidt (1904) [+0.73] · 66 parties

│ │ ├── A43t - 4.* - Old Benoni: Schmidt · 22 parties

│ │ ├── A43t - 4.Nc3 Bg7 - Old Benoni: Schmidt (1952) [+0.76] · 16 parties

│ │ └── A43t - 4.Nf3 Bg7 - Old Benoni: Schmidt (1903) [+0.75] · 28 parties

│ │ ├── A43t - 5.* - Old Benoni: Schmidt · 16 parties

│ │ └── A43t - 5.Be2 - Old Benoni: Schmidt (1948) [+0.52] · 12 parties

│ └── A43u - 3…Nf6 - Old Benoni: Schmidt [+0.71] · 133 parties

│ └── A43u - 4.Nc3 - Old Benoni: Schmidt (1959) [+0.67] · 133 parties

│ ├── A43u - 4…* - Old Benoni: Schmidt · 2 parties

│ └── A43u - 4…g6 - Old Benoni: Schmidt (1917) [+0.95] · 131 parties

│ ├── A43u - 5.* - Old Benoni: Schmidt · 18 parties

│ └── A43u - 5.Nf3 - Old Benoni: Schmidt (1909) [+0.69] · 113 parties

│ ├── A43u - 5…* - Old Benoni: Schmidt · 3 parties

│ └── A43u - 5…Bg7 - Old Benoni: Schmidt (1935) [+0.78] · 110 parties

│ ├── A43u - 6.* - Old Benoni: Schmidt · 6 parties

│ ├── A43v - 6.h3 - Old Benoni: Schmidt [+0.34] · 3 parties

│ │ └── A43v - 6…O-O - Old Benoni: Schmidt (1928) [+0.34] · 3 parties

│ ├── A43w - 6.Bb5+ - Old Benoni: Schmidt (1961) [+0.26] · 10 parties

│ └── A43x - 6.Be2 - Old Benoni: Schmidt (1956) [+0.49] · 91 parties

│ ├── A43x - 6…* - Old Benoni: Schmidt · 21 parties

│ └── A43x - 6…O-O - Old Benoni: Schmidt (1951) [+0.49] · 70 parties

│ ├── A43x - 7.* - Old Benoni: Schmidt · 4 parties

│ └── A43x - 7.O-O - Old Benoni: Schmidt (1953) [+0.58] · 66 parties

│ ├── A43x - 7…* - Old Benoni: Schmidt · 19 parties

│ ├── A43x - 7…e6 - Old Benoni: Schmidt (1958) [+0.58] · 4 parties

│ └── A43y - 7…Na6 - Old Benoni: Schmidt (1952) [+0.75] · 43 parties

│ ├── A43y - 8.* - Old Benoni: Schmidt · 33 parties

│ └── A43z - 8.h3 - Old Benoni: Schmidt (1962) [+0.78] · 10 parties

├── A44 - 1.d4 c5 2.d5 e5 - Benoni Defense: Old Benoni [+1.25] · 243 parties

│ ├── A44a - 3.* - Old Benoni (1954) [+1.34] · 3 parties

│ ├── A44b - 3.dxe6 - Old Benoni: Czech (1927) [+0.38] · 3 parties

│ ├── A44c - 3.c4 - Old Benoni: Czech (1909) [+0.99] · 72 parties

│ │ ├── A44c - 3…* - Old Benoni: Czech · 1 partie

│ │ └── A44d - 3…d6 - Old Benoni: Czech (1933) [+1.06] · 71 parties

│ │ ├── A44d - 4.* - Old Benoni: Czech · 9 parties

│ │ └── A44e - 4.e4 - Old Benoni: Czech (1924) [+0.93] · 62 parties

│ │ ├── A44e - 4…* - Old Benoni: Czech · 16 parties

│ │ ├── A44f - 4…Be7 - Old Benoni: Czech (1965) [+0.98] · 4 parties

│ │ │ ├── A44f - 5.* - Old Benoni: Czech · 1 partie

│ │ │ └── A44g - 5.Nc3 - Old Benoni: Czech (1962) [+0.91] · 3 parties

│ │ └── A44h - 4…g6 - Old Benoni: Czech (1936) [+1.07] · 42 parties

│ │ ├── A44h - 5.* - Old Benoni: Czech · 4 parties

│ │ └── A44h - 5.Nc3 - Old Benoni: Czech (1951) [+0.94] · 38 parties

│ │ ├── A44h - 5…* - Old Benoni: Czech · 3 parties

│ │ └── A44i - 5…Bg7 - Old Benoni: Czech (1946) [+1.08] · 35 parties

│ │ ├── A44i - 6.* - Old Benoni: Czech · 13 parties

│ │ ├── A44j - 6.Nf3 - Old Benoni: Czech (1958) [+1.08] · 4 parties

│ │ └── A44k - 6.Bd3 - Old Benoni: Czech (1958) [+1.03] · 18 parties

│ └── A44l - 3.e4 - Old Benoni: Czech (1958) [+1.29] · 165 parties

│ ├── A44l - 3…* - Old Benoni: Czech · 1 partie

│ └── A44m - 3…d6 - Benoni Defense: Semi-Benoni (1923) [+1.28] · 164 parties

│ ├── A44m - 4.* - Semi-Benoni · 32 parties

│ ├── A44n - 4.Nf3 - Old Benoni: Czech (1928) [+1.32] · 3 parties

│ ├── A44o - 4.Bb5+ - Old Benoni: Czech (1966) [+1.20] · 1 partie

│ ├── A44p - 4.Bd3 - Old Benoni: Czech (1919) [+1.32] · 40 parties

│ └── A44q - 4.Nc3 - Old Benoni: Czech (1920) [+1.33] · 88 parties

│ ├── A44q - 4…* - Old Benoni: Czech · 15 parties

│ ├── A44r - 4…Nf6 - Old Benoni: Czech (1935) [+1.25] · 22 parties

│ ├── A44s - 4…g6 - Old Benoni: Czech (1931) [+1.44] · 25 parties

│ ├── A44t - 4…a6 - Old Benoni: Czech (1937) [+1.41] · 17 parties

│ │ ├── A44t - 5.* - Old Benoni: Czech · 15 parties

│ │ └── A44u - 5.a4 Be7 - Old Benoni: Czech (1964) [+1.52] · 2 parties

│ └── A44v - 4…Be7 - Old Benoni: Czech (1926) [+1.22] · 9 parties

│ ├── A44v - 5.* - Old Benoni: Czech · 4 parties

│ ├── A44w - 5.Bb5+ - Old Benoni: Czech (2021) [+1.16] · 1 partie

│ └── A44x - 5.Nf3 - Old Benoni: Czech (1962) [+1.22] · 4 parties

│ ├── A44x - 5…* - Old Benoni: Czech · 3 parties

│ └── A44y - 5…Bg4 - Old Benoni: Czech (1969) [+1.52] · 1 partie

├── A45 - 1.d4 Nf6 - Indian Defense [+0.29] · 783 parties

│ ├── A45a - 2.* - Indian Defense (1954) [+0.24] · 8 parties

│ ├── A45a - 2.f3 - Paleface Attack [-0.40] · 1 partie

│ │ └── A45a - 2…d5 3.e4 - Indian Defense: Paleface Attack, Blackmar-Diemer Gambit Deferred (1962) [-0.54] · 1 partie

│ ├── A45b - 2.f4 - Canard Opening (1913) [-0.50] · 8 parties

│ ├── A45c - 2.Nd2 - Indian (1918) [-0.07] · 50 parties

│ │ ├── A45c - 2…* - Indian · 47 parties

│ │ └── A45c - 2…e5 - Lazard Gambit (1932) [+0.75] · 3 parties

│ ├── A45d - 2.e3 - Indian (1914) [+0.05] · 65 parties

│ │ ├── A45d - 2…* - Indian · 11 parties

│ │ ├── A45d - 2…e6 - Indian (1913) [+0.11] · 16 parties

│ │ └── A45d - 2…g6 - Indian (1925) [+0.11] · 38 parties

│ ├── A45e - 2.c3 - Indian (1915) [+0.12] · 28 parties

│ │ ├── A45e - 2…* - Indian · 11 parties

│ │ └── A45e - 2…g6 - Indian (1952) [+0.14] · 17 parties

│ │ ├── A45e - 3.* - Indian · 3 parties

│ │ └── A45e - 3.Bg5 - Indian (1952) [+0.15] · 14 parties

│ ├── A45f - 2.Nc3 - Indian (1939) [-0.20] · 9 parties

│ ├── A45g - 2.Bf4 - Accelerated London System (1915) [+0.17] · 212 parties

│ ├── A45h - 2.g3 - Tartakower Attack (1914) [+0.04] · 94 parties

│ │ ├── A45h - 2…* - Tartakower Attack · 38 parties

│ │ ├── A45h - 2…g6 - Indian (1935) [+0.17] · 33 parties

│ │ └── A45i - 2…c5 - Indian (1930) [+0.44] · 23 parties

│ │ ├── A45i - 3.* - Indian · 20 parties

│ │ └── A45i - 3.d5 b5 - Indian (1961) [+0.25] · 3 parties

│ └── A45j - 2.Bg5 - Trompowsky Attack (1926) [-0.08] · 308 parties

│ ├── A45j - 2…* - Trompowsky Attack · 6 parties

│ ├── A45j - 2…d6 - Trompowsky 2…d6 (1967) [+0.20] · 4 parties

│ │ ├── A45j - 3.* - Trompowsky 2…d6 · 1 partie

│ │ ├── A45j - 3.Bxf6 - Trompowsky 2…d6 3.Bxf6 (1975) [+0.10] · 1 partie

│ │ └── A45j - 3.Nc3 - Trompowsky 2…d6 3.Nc3 (1954) [+0.14] · 2 parties

│ ├── A45k - 2…g6 - Trompowsky 2…g6 (1949) [+0.22] · 33 parties

│ │ ├── A45k - 3.* - Trompowsky 2…g6 · 8 parties

│ │ ├── A45k - 3.Bxf6 - Trompowsky 2…g6 3.Bxf6 (1956) [-0.07] · 22 parties

│ │ │ ├── A45k - 3…* - Trompowsky 2…g6 3.Bxf6 · 9 parties

│ │ │ └── A45l - 3…exf6 4.e3 - Trompowsky 2…g6 3.Bxf6 exf6 4.e3 (1960) [-0.11] · 13 parties

│ │ └── A45k - 3.Nc3 - Trompowsky 2…g6 3.Nc3 (1951) [-0.07] · 3 parties

│ ├── A45m - 2…e6 - Classical Defense (1995) [+0.26] · 86 parties

│ │ ├── A45m - 3.* - Trompowsky Attack: Classical Defense · 2 parties

│ │ ├── A45m - 3.Nc3 - Trompowsky (1958) [-0.19] · 3 parties

│ │ ├── A45m - 3.Nd2 - Trompowsky (1948) [+0.08] · 30 parties

│ │ ├── A45m - 3.e3 - Trompowsky (1951) [+0.12] · 4 parties

│ │ └── A45n - 3.e4 - Big Center Variation (1998) [+0.29] · 47 parties

│ │ ├── A45n - 3…* - Trompowsky Attack: Classical Defense, Big Center Variation · 3 parties

│ │ └── A45n - 3…h6 - Trompowsky [+0.20] · 44 parties

│ │ └── A45n - 4.Bxf6 - Trompowsky (1953) [+0.16] · 44 parties

│ │ ├── A45n - 4…* - Trompowsky · 1 partie

│ │ └── A45n - 4…Qxf6 - Trompowsky (2023) [+0.14] · 43 parties

│ │ ├── A45n - 5.* - Trompowsky · 1 partie

│ │ ├── A45n - 5.c3 - Trompowsky (2011) [+0.22] · 30 parties

│ │ └── A45o - 5.Nc3 - Trompowsky (2025) [+0.16] · 12 parties

│ │ ├── A45o - 5…* - Trompowsky · 1 partie

│ │ ├── A45o - 5…Bb4 - Trompowsky (1916) [+0.15] · 8 parties

│ │ └── A45o - 5…d6 - Trompowsky [+0.25] · 3 parties

│ │ └── A45o - 6.Qd2 - Trompowsky [+0.38] · 3 parties

│ │ └── A45o - 6…g5 - Trompowsky (1996) [+0.21] · 3 parties

│ ├── A45p - 2…c5 - Trompowsky (1926) [-0.01] · 61 parties

│ │ ├── A45p - 3.* - Trompowsky · 5 parties

│ │ ├── A45p - 3.Nc3 - Trompowsky (2017) [-0.19] · 1 partie

│ │ ├── A45p - 3.d5 - Trompowsky (1954) [+0.02] · 15 parties

│ │ │ ├── A45p - 3…* - Trompowsky · 7 parties

│ │ │ └── A45p - 3…Qb6 - Trompowsky (1952) [+0.60] · 8 parties

│ │ │ ├── A45p - 4.* - Trompowsky · 3 parties

│ │ │ └── A45p - 4.Nc3 - Poisoned Pawn Variation (2014) [+0.62] · 5 parties

│ │ ├── A45p - 3.dxc5 - Trompowsky (1935) [-0.22] · 7 parties

│ │ └── A45q - 3.Bxf6 - Trompowsky (1941) [-0.12] · 33 parties

│ │ ├── A45q - 3…* - Trompowsky · 5 parties

│ │ └── A45q - 3…gxf6 - Trompowsky (1952) [+0.19] · 28 parties

│ │ ├── A45q - 4.* - Trompowsky · 6 parties

│ │ └── A45q - 4.d5 - Trompowsky (1966) [+0.18] · 22 parties

│ │ ├── A45q - 4…* - Trompowsky · 6 parties

│ │ └── A45r - 4…Qb6 - Trompowsky (2021) [+0.00] · 16 parties

│ │ ├── A45r - 5.* - Trompowsky · 2 parties

│ │ └── A45r - 5.Qc1 - Trompowsky (2014) [+0.06] · 14 parties

│ │ ├── A45r - 5…* - Trompowsky · 3 parties

│ │ └── A45r - 5…f5 - Trompowsky (1995) [+0.11] · 11 parties

│ │ ├── A45r - 6.* - Trompowsky · 1 partie

│ │ ├── A45r - 6.c4 - Trompowsky (1945) [+0.04] · 6 parties

│ │ ├── A45r - 6.e3 - Trompowsky [+0.07] · 2 parties

│ │ │ └── A45r - 6…Bg7 - Trompowsky (1959) [+0.05] · 2 parties

│ │ └── A45r - 6.g3 - Trompowsky (2012) [-0.08] · 2 parties

│ └── A45s - 2…Ne4 - Trompowsky (1963) [+0.13] · 118 parties

│ ├── A45s - 3.* - Trompowsky · 2 parties

│ ├── A45s - 3.h4 - Raptor Variation [-0.12] · 7 parties

│ │ ├── A45s - 3…c5 - Trompowsky [+0.21] · 5 parties

│ │ │ ├── A45s - 4.d5 - Trompowsky (2014) [+0.03] · 1 partie

│ │ │ └── A45s - 4.dxc5 - Trompowsky (1997) [-0.29] · 4 parties

│ │ └── A45s - 3…d5 - Trompowsky (2017) [-0.20] · 2 parties

│ ├── A45t - 3.Bh4 - Edge Variation [-0.33] · 25 parties

│ │ ├── A45t - 3…c5 - Trompowsky (1941) [-0.02] · 5 parties

│ │ │ ├── A45t - 4.* - Trompowsky · 2 parties

│ │ │ └── A45t - 4.f3 - Trompowsky (1945) [-0.20] · 3 parties

│ │ ├── A45t - 3…d5 - Trompowsky (1923) [+0.34] · 14 parties

│ │ └── A45t - 3…g5 - Trompowsky (1945) [-0.18] · 6 parties

│ └── A45u - 3.Bf4 - Trompowsky (1954) [+0.21] · 84 parties

│ ├── A45u - 3…* - Trompowsky · 7 parties

│ ├── A45u - 3…d5 - Trompowsky (1951) [+0.21] · 38 parties

│ │ ├── A45u - 4.* - Trompowsky · 2 parties

│ │ ├── A45u - 4.Nd2 - Trompowsky (1949) [+0.09] · 8 parties

│ │ ├── A45v - 4.f3 - Trompowsky (1956) [+0.07] · 9 parties

│ │ │ ├── A45v - 4…* - Trompowsky · 2 parties

│ │ │ └── A45v - 4…Nf6 - Trompowsky (1951) [+0.14] · 7 parties

│ │ └── A45w - 4.e3 - Trompowsky (1947) [+0.21] · 19 parties

│ │ ├── A45w - 4…* - Trompowsky · 11 parties

│ │ └── A45w - 4…c5 - Trompowsky (2010) [+0.27] · 8 parties

│ ├── A45u - 3…g5 - Borg Variation (1949) [+0.71] · 1 partie

│ └── A45x - 3…c5 - Trompowsky (1964) [+0.60] · 38 parties

│ ├── A45x - 4.* - Trompowsky · 4 parties

│ ├── A45x - 4.d5 - Trompowsky (2019) [+0.33] · 9 parties

│ │ ├── A45x - 4…* - Trompowsky · 1 partie

│ │ └── A45x - 4…Qb6 - Trompowsky (1995) [+0.33] · 8 parties

│ └── A45y - 4.f3 - Trompowsky (1949) [+0.61] · 25 parties

│ ├── A45y - 4…* - Trompowsky · 9 parties

│ └── A45y - 4…Qa5+ - Trompowsky [+0.62] · 16 parties

│ ├── A45y - 5.c3 Nf6 6.d5 - Trompowsky (1998) [+0.61] · 9 parties

│ └── A45z - 5.c3 Nf6 6.Nd2 - Trompowsky (2004) [-0.10] · 7 parties

├── A46 - 1.d4 Nf6 2.Nf3 - Indian Defense: Knights Variation [+0.27] · 1019 parties

│ ├── A46a - 2…* - Knights Variation (1918) [+0.17] · 8 parties

│ ├── A46a - 2…Ne4 - Döry Defense (1966) [+0.48] · 1 partie

│ ├── A46b - 2…b5 - Polish Variation (1925) [+0.65] · 26 parties

│ │ ├── A46b - 3.* - Polish Variation · 25 parties

│ │ └── A46b - 3.g3 - Indian (1954) [+0.20] · 1 partie

│ ├── A46c - 2…c5 - Spielmann-Indian (1968) [+0.57] · 113 parties

│ │ ├── A46c - 3.* - Spielmann-Indian · 1 partie

│ │ ├── A46c - 3.dxc5 - Neo-Benoni 3.dxc5 (1922) [-0.11] · 26 parties

│ │ ├── A46c - 3.e3 - Neo-Benoni (1927) [+0.15] · 15 parties

│ │ │ ├── A46c - 3…* - Neo-Benoni · 14 parties

│ │ │ └── A46c - 3…cxd4 - Neo-Benoni (1957) [+0.12] · 1 partie

│ │ ├── A46d - 3.c3 - Neo-Benoni (1921) [+0.14] · 49 parties

│ │ │ ├── A46d - 3…* - Neo-Benoni · 10 parties

│ │ │ ├── A46d - 3…b6 - Neo-Benoni (1930) [+0.58] · 22 parties

│ │ │ └── A46e - 3…e6 - Neo-Benoni (1923) [+0.03] · 17 parties

│ │ └── A46f - 3.g3 - Neo-Benoni (1936) [-0.32] · 22 parties

│ │ ├── A46f - 3…* - Neo-Benoni · 7 parties

│ │ └── A46f - 3…cxd4 - Neo-Benoni (1953) [-0.41] · 15 parties

│ │ ├── A46f - 4.* - Neo-Benoni · 2 parties

│ │ └── A46f - 4.Nxd4 - Neo-Benoni (1923) [-0.59] · 13 parties

│ ├── A46g - 2…d6 - Wade-Tartakower Defense (1906) [+0.58] · 204 parties (dont 1 ici)

│ │ ├── A46g - 3.* - Wade-Tartakower Defense · 128 parties

│ │ ├── A46h - 3.g3 - Indian (1922) [+0.46] · 55 parties

│ │ └── A46i - 3.Bg5 - Indian (1955) [+0.14] · 20 parties

│ │ ├── A46i - 3…* - Indian · 7 parties

│ │ └── A46i - 3…Nbd7 - Indian (1913) [+0.20] · 13 parties

│ └── A46j - 2…e6 - Indian (1922) [+0.25] · 668 parties

│ ├── A46j - 3.* - Indian · 37 parties

│ ├── A46j - 3.c3 - Indian [+0.05] · 6 parties

│ │ └── A46j - 3…b6 - Indian (1931) [+0.10] · 6 parties

│ │ ├── A46j - 4.* - Indian · 3 parties

│ │ └── A46j - 4.Bg5 - Indian (1930) [+0.06] · 3 parties

│ ├── A46k - 3.e3 - Yusupov-Rubinstein System (1926) [+0.13] · 83 parties

│ │ ├── A46k - 3…* - Yusupov-Rubinstein System · 15 parties

│ │ └── A46k - 3…c5 - Indian (1924) [+0.16] · 68 parties

│ │ ├── A46k - 4.* - Indian · 23 parties

│ │ └── A46l - 4.Bd3 - Indian (1920) [+0.15] · 45 parties

│ ├── A46m - 3.g3 - Indian (1922) [+0.13] · 157 parties

│ │ ├── A46m - 3…* - Indian · 40 parties

│ │ ├── A46m - 3…b5 - Indian (1984) [+0.19] · 50 parties

│ │ │ ├── A46m - 4.* - Indian · 15 parties

│ │ │ └── A46m - 4.Bg2 Bb7 - Indian (1988) [+0.16] · 35 parties

│ │ │ ├── A46m - 5.* - Indian · 6 parties

│ │ │ └── A46n - 5.O-O - Indian (1928) [+0.15] · 29 parties

│ │ └── A46o - 3…c5 - Indian (1922) [+0.27] · 67 parties

│ │ ├── A46o - 4.* - Indian · 8 parties

│ │ └── A46o - 4.Bg2 - Indian (1951) [+0.22] · 59 parties

│ │ ├── A46o - 4…* - Indian · 8 parties

│ │ ├── A46o - 4…Nc6 - Indian (1922) [+0.34] · 30 parties

│ │ ├── A46o - 4…Qa5+ - Indian (1980) [+0.22] · 1 partie

│ │ ├── A46o - 4…Qc7 - Indian (1988) [+0.43] · 1 partie

│ │ └── A46o - 4…cxd4 - Indian (1953) [+0.23] · 19 parties

│ ├── A46p - 3.Bf4 - London System (1963) [+0.07] · 76 parties

│ │ ├── A46p - 3…* - London System · 11 parties

│ │ └── A46p - 3…c5 - London [+0.15] · 65 parties

│ │ ├── A46p - 4.e3 - London (1919) [+0.14] · 41 parties

│ │ │ ├── A46p - 4…* - London · 28 parties

│ │ │ └── A46p - 4…Qb6 - London (1919) [+0.26] · 13 parties

│ │ └── A46q - 4.c3 - London (1914) [+0.08] · 24 parties

│ └── A46r - 3.Bg5 - Torre Attack: Classical Defense [+0.13] · 309 parties

│ ├── A46r - 3…Be7 - Torre Attack (1926) [+0.24] · 23 parties

│ ├── A46r - 3…b6 - Torre Attack (1928) [+0.35] · 10 parties

│ ├── A46s - 3…c5 - Torre Attack (1922) [+0.20] · 212 parties

│ │ ├── A46s - 4.* - Torre Attack · 10 parties

│ │ ├── A46s - 4.e4 - Wagner Gambit (1921) [-0.19] · 18 parties

│ │ ├── A46t - 4.c3 - Torre Attack (1923) [-0.01] · 63 parties

│ │ │ ├── A46t - 4…* - Torre Attack · 31 parties

│ │ │ ├── A46t - 4…Qb6 - Torre Attack (1927) [+0.11] · 21 parties

│ │ │ └── A46t - 4…h6 - Torre Attack (1937) [+0.16] · 11 parties

│ │ │ ├── A46t - 5.* - Torre Attack · 6 parties

│ │ │ └── A46t - 5.Bh4 - Torre Attack (1946) [-0.05] · 5 parties

│ │ └── A46u - 4.e3 - Torre Attack (1925) [+0.05] · 121 parties

│ │ ├── A46u - 4…* - Torre Attack · 23 parties

│ │ ├── A46u - 4…Qb6 - Torre Attack (1925) [+0.23] · 38 parties

│ │ ├── A46u - 4…cxd4 - Torre Attack (1925) [+0.25] · 13 parties

│ │ ├── A46v - 4…Be7 - Torre Attack (1927) [+0.19] · 22 parties

│ │ └── A46w - 4…h6 - Torre Attack (1997) [+0.05] · 25 parties

│ │ ├── A46w - 5.* - Torre Attack · 1 partie

│ │ └── A46w - 5.Bh4 - Torre Attack (1926) [+0.11] · 24 parties

│ └── A46x - 3…h6 - Classical Defense, Nimzowitsch Variation (1938) [+0.11] · 64 parties

│ ├── A46x - 4.* - Torre Attack: Classical Defense, Nimzowitsch Variation · 3 parties

│ ├── A46x - 4.Bh4 - Torre Attack (1914) [+0.23] · 26 parties (dont 1 ici)

│ │ ├── A46x - 4…* - Torre Attack · 21 parties

│ │ └── A46x - 4…g5 - Torre Attack (1951) [+0.23] · 4 parties

│ └── A46y - 4.Bxf6 - Torre Attack (1931) [+0.02] · 35 parties

│ ├── A46y - 4…* - Torre Attack · 5 parties

│ └── A46y - 4…Qxf6 5.e4 - Torre Attack (1913) [-0.08] · 30 parties

│ ├── A46y - 5…* - Torre Attack · 4 parties

│ ├── A46y - 5…b6 - Torre Attack (1943) [+0.24] · 10 parties

│ ├── A46y - 5…c5 - Torre Attack (1925) [+1.14] · 8 parties

│ └── A46z - 5…d6 - Torre Attack (1998) [-0.01] · 8 parties

│ ├── A46z - 6.* - Torre Attack · 3 parties

│ └── A46z - 6.Nc3 - Torre Attack (1951) [-0.17] · 5 parties

│ ├── A46z - 6…* - Torre Attack · 3 parties

│ └── A46z - 6…Nd7 - Torre Attack (1964) [-0.20] · 2 parties

│ ├── A46z - 7.* - Torre Attack · 1 partie

│ └── A46z - 7.Qd2 - Torre Attack (1995) [-0.20] · 1 partie

├── A47 - 1.d4 Nf6 2.Nf3 b6 - Pseudo Queen's Indian Defense (1937) [+0.36] · 877 parties

│ ├── A47a - 3.* - Pseudo Queen's Indian Defense (1921) [+0.23] · 60 parties

│ ├── A47b - 3.e3 (1936) [-0.02] · 347 parties

│ │ ├── A47b - 3…* · 7 parties

│ │ ├── A47f - 3…e6 (1922) [-0.13] · 41 parties

│ │ │ ├── A47f - 4.* · 20 parties

│ │ │ └── A47m - 4.Bd3 (1952) [-0.15] · 21 parties

│ │ │ ├── A47m - 4…* · 1 partie

│ │ │ └── A47r - 4…c5 (1912) [+0.18] · 20 parties

│ │ └── A47i - 3…Bb7 (1925) [+0.06] · 299 parties

│ │ ├── A47i - 4.* · 26 parties

│ │ └── A47o - 4.Bd3 (1921) [-0.08] · 273 parties

│ │ ├── A47o - 4…* · 46 parties

│ │ └── A47t - 4…e6 (1920) [-0.01] · 227 parties

│ │ ├── A47t - 5.* · 132 parties

│ │ └── A47w - 5.O-O (1922) [-0.04] · 95 parties

│ │ ├── A47w - 5…* · 50 parties

│ │ └── A47x - 5…c5 (1908) [+0.26] · 45 parties

│ ├── A47c - 3.g3 (1933) [+0.31] · 270 parties

│ │ ├── A47c - 3…* · 9 parties

│ │ └── A47p - 3…Bb7 4.Bg2 (1921) [+0.15] · 261 parties

│ │ ├── A47p - 4…* · 12 parties

│ │ ├── A47u - 4…e6 (1915) [+0.39] · 49 parties

│ │ └── A47v - 4…c5 - Marienbad System (1924) [+0.16] · 200 parties

│ │ ├── A47v - 5.* - Marienbad System · 195 parties

│ │ └── A47y - 5.c4 cxd4 6.Qxd4 - Berg Variation [-0.01] · 5 parties

│ ├── A47d - 3.Bf4 (2021) [+0.11] · 130 parties

│ │ ├── A47d - 3…* · 1 partie

│ │ ├── A47h - 3…e6 (1912) [+0.17] · 27 parties

│ │ │ ├── A47h - 4.* · 8 parties

│ │ │ └── A47l - 4.e3 (2008) [+0.22] · 19 parties

│ │ │ ├── A47l - 4…* · 2 parties

│ │ │ └── A47q - 4…c5 (1967) [+0.78] · 17 parties

│ │ └── A47j - 3…Bb7 (1925) [+0.14] · 102 parties

│ │ ├── A47j - 4.* · 15 parties

│ │ └── A47n - 4.e3 (1926) [-0.14] · 87 parties

│ │ ├── A47n - 4…* · 20 parties

│ │ └── A47s - 4…e6 (1914) [+0.18] · 67 parties

│ └── A47e - 3.Bg5 (1930) [+0.15] · 70 parties

│ ├── A47e - 3…* · 10 parties

│ └── A47k - 3…Bb7 (1925) [+0.13] · 60 parties

├── A48 - 1.d4 Nf6 2.Nf3 g6 - East Indian Defense [+0.29] · 1171 parties

│ ├── A48a - 3.* - East Indian Defense (1922) [+0.26] · 51 parties

│ ├── A48a - 3.Nbd2 (1923) [-0.07] · 168 parties

│ ├── A48b - 3.c3 (1961) [+0.15] · 16 parties

│ │ ├── A48b - 3…* · 5 parties

│ │ └── A48b - 3…Bg7 (1922) [+0.10] · 11 parties

│ ├── A48c - 3.e3 (1926) [+0.10] · 128 parties

│ │ ├── A48c - 3…* · 2 parties

│ │ ├── A48c - 3…Bg7 (1920) [+0.18] · 60 parties

│ │ └── A48d - 3…c5 (1923) [+0.22] · 66 parties

│ ├── A48e - 3.Nc3 (1924) [-0.10] · 8 parties

│ ├── A48f - 3.Bf4 - London System (1924) [-0.01] · 431 parties

│ │ ├── A48f - 3…* - London System · 32 parties

│ │ └── A48g - 3…Bg7 - Neo-King’s Indian: London System (1923) [+0.05] · 399 parties

│ │ ├── A48g - 4.* - Neo-King’s Indian: London System · 49 parties

│ │ ├── A48h - 4.Nbd2 - Neo-King’s Indian: London System (1922) [+0.02] · 66 parties

│ │ ├── A48i - 4.c3 - Neo-King’s Indian: London System (1924) [+0.12] · 40 parties

│ │ └── A48j - 4.e3 - London System (1927) [+0.02] · 244 parties

│ │ ├── A48j - 4…* - London System · 59 parties

│ │ └── A48j - 4…O-O - Neo-King’s Indian: London System (1931) [+0.17] · 185 parties

│ │ ├── A48j - 5.* - Neo-King’s Indian: London System · 68 parties

│ │ └── A48k - 5.Be2 - Neo-King’s Indian: London System (1950) [+0.22] · 117 parties

│ │ ├── A48k - 5…* - Neo-King’s Indian: London System · 21 parties

│ │ └── A48k - 5…d6 - Neo-King’s Indian: London System (1951) [+0.25] · 96 parties

│ │ ├── A48k - 6.* - Neo-King’s Indian: London System · 21 parties

│ │ └── A48l - 6.h3 - Neo-King’s Indian: London System (1949) [+0.20] · 75 parties

│ └── A48m - 3.Bg5 - Torre Attack: Fianchetto Defense (1961) [+0.04] · 369 parties

│ ├── A48m - 3…* - Torre Attack: Fianchetto Defense · 4 parties

│ ├── A48n - 3…Ne4 - Neo-King’s Indian: Torre Attack (1945) [+0.32] · 33 parties

│ └── A48o - 3…Bg7 - Neo-King’s Indian: Torre Attack (1960) [+0.09] · 332 parties

│ ├── A48o - 4.* - Neo-King’s Indian: Torre Attack · 1 partie

│ ├── A48o - 4.c3 - Neo-King’s Indian: Torre Attack (1946) [+0.01] · 34 parties

│ ├── A48o - 4.e3 - Neo-King’s Indian: Torre Attack (1926) [+0.07] · 30 parties

│ ├── A48p - 4.Nc3 - Neo-King’s Indian: Torre Attack (1949) [-0.03] · 3 parties

│ └── A48q - 4.Nbd2 - Neo-King’s Indian: Torre Attack (1927) [+0.10] · 264 parties

│ ├── A48q - 4…* - Neo-King’s Indian: Torre Attack · 116 parties

│ └── A48r - 4…O-O - Neo-King’s Indian: Torre Attack (1926) [+0.20] · 148 parties

│ ├── A48r - 5.* - Neo-King’s Indian: Torre Attack · 35 parties

│ ├── A48s - 5.e4 - Neo-King’s Indian: Torre Attack [-0.12] · 29 parties

│ │ ├── A48t - 5…d6 - Neo-King’s Indian: Torre Attack (1953) [+0.06] · 19 parties

│ │ └── A48u - 5…d5 - Neo-King’s Indian: Torre Attack (1960) [+0.02] · 10 parties

│ └── A48v - 5.c3 - Neo-King’s Indian: Torre Attack (1968) [+0.02] · 84 parties

│ ├── A48v - 5…* - Neo-King’s Indian: Torre Attack · 7 parties

│ └── A48v - 5…d6 - Neo-King’s Indian: Torre Attack (1955) [+0.11] · 77 parties

│ ├── A48v - 6.* - Neo-King’s Indian: Torre Attack · 15 parties

│ └── A48w - 6.e4 - Neo-King’s Indian: Torre Attack (1947) [+0.04] · 62 parties

│ ├── A48w - 6…* - Neo-King’s Indian: Torre Attack · 33 parties

│ └── A48x - 6…c5 - Neo-King’s Indian: Torre Attack (1956) [-0.01] · 29 parties

└── A49 - 1.d4 Nf6 2.Nf3 g6 3.g3 - Indian Defense: Przepiorka Variation (1946) [+0.20] · 442 parties

├── A49a - 3…* - Przepiorka Variation (1927) [+0.13] · 28 parties

└── A49b - 3…Bg7 - Neo-King’s Indian: Fianchetto System (1938) [+0.16] · 415 parties

├── A49b - 4.* - Neo-King’s Indian: Fianchetto System · 2 parties

└── A49c - 4.Bg2 - Neo-King’s Indian: Fianchetto System (1922) [+0.17] · 413 parties

├── A49c - 4…* - Neo-King’s Indian: Fianchetto System · 27 parties

└── A49d - 4…O-O - Neo-King’s Indian: Fianchetto System (1939) [+0.15] · 386 parties

├── A49d - 5.* - Neo-King’s Indian: Fianchetto System · 7 parties

├── A49e - 5.O-O - Neo-King’s Indian: Fianchetto System (1922) [+0.13] · 376 parties

│ ├── A49e - 5…* - Neo-King’s Indian: Fianchetto System · 33 parties

│ └── A49f - 5…d6 - Neo-King’s Indian: Fianchetto System (1922) [+0.36] · 343 parties

└── A49g - 5.b3 d6 6.Bb2 - Double Fianchetto System [+0.25] · 3 parties

Les parties, variante par variante

11171 partiesA48 - 1.d4 Nf6 2.Nf3 g6 - East Indian Defense

21019 partiesA46 - 1.d4 Nf6 2.Nf3 - Indian Defense: Knights Variation

3877 partiesA47 - 1.d4 Nf6 2.Nf3 b6 - Pseudo Queen's Indian Defense (1937)

4783 partiesA45 - 1.d4 Nf6 - Indian Defense

5550 partiesA40 - 1.d4 - Queen's Pawn Game

6498 partiesA43 - 1.d4 c5 - Benoni Defense: Old Benoni

7442 partiesA49 - 1.d4 Nf6 2.Nf3 g6 3.g3 - Indian Defense: Przepiorka Variation (1946)

8414 partiesA41 - 1.d4 d6 - Queen's Pawn Game

9374 partiesA42 - 1.d4 d6 2.c4 g6 3.Nc3 Bg7 4.e4 - Modern

10243 partiesA44 - 1.d4 c5 2.d5 e5 - Benoni Defense: Old Benoni

A40 - 1.d4 - Queen's Pawn Game (550)

Structure de pions ♔ Blancs♚ NoirsPions doublés——Pions isolés——Arriérés——Chaînes——Passés——Majorité—— Cases ♔ Blancs♚ NoirsCases fortes——Cases faibles——Centre● d4 (1v0), ● e5 (1v0)— Colonnes et diagonales ♔ Blancs♚ Noirs Pièces ♔ Blancs♚ NoirsBc1● Bc1 Non développé (mob. 5)Bf1● Bf1 Non développé (mob. 0)Bc8● Bc8 Non développé (mob. 0)Bf8● Bf8 Non développé (mob. 0)Paire de fous● Oui● OuiNon développées6 (● b1, ● g1, ● c1, ● f1, ● a1, ● h1)6 (● b8, ● g8, ● c8, ● f8, ● a8, ● h8) Sécurité du roi ♔ Blancs♚ NoirsStatut● Au centre● Au centreDroits de roqueO-O / O-O-OO-O / O-O-O Thèmes ♔ Blancs♚…
A41 - 1.d4 d6 - Queen's Pawn Game (414)

Structure de pions ♔ Blancs♚ NoirsPions doublés——Pions isolés——Arriérés——Chaînes—● c7→d6, e7→d6Passés——Majorité—— Cases ♔ Blancs♚ NoirsCases fortes——Cases faibles——Centre● d4 (1v0)— Colonnes et diagonales ♔ Blancs♚ Noirs Pièces ♔ Blancs♚ NoirsBc1● Bc1 Non développé (mob. 5)Bf1● Bf1 Non développé (mob. 0)Bc8● Bc8 Non développé (mob. 5)Bf8● Bf8 Non développé (mob. 0)Paire de fous● Oui● OuiNon développées6 (● b1, ● g1, ● c1, ● f1, ● a1, ● h1)6 (● b8, ● g8, ● c8, ● f8, ● a8, ● h8) Sécurité du roi ♔ Blancs♚ NoirsStatut● Au centre● Au centreDroits de roqueO-O / O-O-OO-O / O-O-O Thèmes ♔ Blancs♚ NoirsPhaseOuvertureCentremobileRuptures—●…
A42 - 1.d4 d6 2.c4 g6 3.Nc3 Bg7 4.e4 - Modern (374)

Structure de pions ♔ Blancs♚ NoirsPions doublés——Pions isolés——Arriérés——Chaînes—● c7→d6, e7→d6, f7→g6, h7→g6Passés——Majorité—— Cases ♔ Blancs♚ NoirsCases fortes● b5 (2v0), ● d5 (3v0)—Cases faibles——Centre● d5 (3v0), ● e4 (1v0)● e5 (2v1) Colonnes et diagonales ♔ Blancs♚ Noirs Pièces ♔ Blancs♚ NoirsBc1● Bc1 Non développé (mob. 5)Bf1● Bf1 Non développé (mob. 2)Bg7● Bg7 Actif (mob. 5)Bc8● Bc8 Non développé (mob. 5)Paire de fous● Oui● OuiNon développées5 (● g1, ● c1, ● f1, ● a1, ● h1)5 (● b8, ● g8, ● c8, ● a8, ● h8) Sécurité du roi ♔ Blancs♚ NoirsStatut● Au centre● Au centreDroits de roqueO-O /…
A43 - 1.d4 c5 - Benoni Defense: Old Benoni (498)

Structure de pions ♔ Blancs♚ NoirsPions doublés——Pions isolés——Arriérés——Chaînes——Passés——Majorité—— Cases ♔ Blancs♚ NoirsCases fortes——Cases faibles——Centre● e5 (1v0)— Colonnes et diagonales ♔ Blancs♚ Noirs Pièces ♔ Blancs♚ NoirsBc1● Bc1 Non développé (mob. 5)Bf1● Bf1 Non développé (mob. 0)Bc8● Bc8 Non développé (mob. 0)Bf8● Bf8 Non développé (mob. 0)Paire de fous● Oui● OuiNon développées6 (● b1, ● g1, ● c1, ● f1, ● a1, ● h1)6 (● b8, ● g8, ● c8, ● f8, ● a8, ● h8) Sécurité du roi ♔ Blancs♚ NoirsStatut● Au centre● Au centreDroits de roqueO-O / O-O-OO-O / O-O-O Thèmes ♔ Blancs♚ NoirsPhaseOuvertureCentremobileRuptures—● ...e7-e5
A44 - 1.d4 c5 2.d5 e5 - Benoni Defense: Old Benoni (243)

Structure de pions ♔ Blancs♚ NoirsPions doublés——Pions isolés——Arriérés——Chaînes——Passés——Majorité—— Cases ♔ Blancs♚ NoirsCases fortes—● d4 (2v1)Cases faibles——Centre● d5 (1v0)● d4 (2v1) Colonnes et diagonales ♔ Blancs♚ Noirs Pièces ♔ Blancs♚ NoirsBc1● Bc1 Non développé (mob. 5)Bf1● Bf1 Non développé (mob. 0)Bc8● Bc8 Non développé (mob. 0)Bf8● Bf8 Non développé (mob. 2)Paire de fous● Oui● OuiNon développées6 (● b1, ● g1, ● c1, ● f1, ● a1, ● h1)6 (● b8, ● g8, ● c8, ● f8, ● a8, ● h8) Sécurité du roi ♔ Blancs♚ NoirsStatut● Au centre● Au centreDroits de roqueO-O / O-O-OO-O / O-O-O Thèmes ♔…
A45 - 1.d4 Nf6 - Indian Defense (783)

Base Masters : Blancs 31.9%, Nulles 44.8%, Noirs 23.3%. Coups candidats 2.c4 (72.4% — Blancs: 31.8% | Nulles: 46.3% | Noirs: 21.9%)2.Nf3 (20.6% — Blancs: 32.0% | Nulles: 41.9% | Noirs: 26.1%)2.Bg5 (3.7% — Blancs: 34.0% | Nulles: 37.5% | Noirs: 28.5%)2.Bf4 (1.3% — Blancs: 28.6% | Nulles: 41.8% | Noirs: 29.7%)2.Nc3 (1.1% — Blancs: 29.9% | Nulles: 36.0% | Noirs: 34.1%)2.g3 (0.6% — Blancs: 36.0% | Nulles: 38.5% | Noirs: 25.5%) auto Analyse coup par coup — 2 demi-coups commentés 1.d4 Avancée centrale — contrôle c5, e5. Prépare c4, e4, Nc3. 1...Nf6 Contrôle e4, d5. Structure de pions ♔ Blancs♚ NoirsPions doublés——Pions isolés——Arriérés——Chaînes——Passés——Majorité—— Cases ♔ Blancs♚ NoirsCases fortes——Cases faibles——Centre● d4 (1v0), ● e5 (1v0)● d5 (1v0), ● e4 (1v0) Colonnes et diagonales ♔ Blancs♚ Noirs Pièces…
A46 - 1.d4 Nf6 2.Nf3 - Indian Defense: Knights Variation (1018)

Structure de pions ♔ Blancs♚ NoirsPions doublés——Pions isolés——Arriérés——Chaînes——Passés——Majorité—— Cases ♔ Blancs♚ NoirsCases fortes● e5 (2v0), ● g5 (2v0)—Cases faibles——Centre● d4 (2v0), ● e5 (2v0)● d5 (1v0), ● e4 (1v0) Colonnes et diagonales ♔ Blancs♚ Noirs Pièces ♔ Blancs♚ NoirsBc1● Bc1 Non développé (mob. 5)Bf1● Bf1 Non développé (mob. 0)Bc8● Bc8 Non développé (mob. 0)Bf8● Bf8 Non développé (mob. 0)Paire de fous● Oui● OuiNon développées5 (● b1, ● c1, ● f1, ● a1, ● h1)5 (● b8, ● c8, ● f8, ● a8, ● h8) Sécurité du roi ♔ Blancs♚ NoirsStatut● Au centre● Au centreDroits de roqueO-O /…
A47 - 1.d4 Nf6 2.Nf3 b6 - Pseudo Queen's Indian Defense (1937) (877)

Base Masters : Blancs 30.2%, Nulles 38.8%, Noirs 31.0%. Coups candidats 3.g3 (28.2% — Blancs: 27.0% | Nulles: 42.0% | Noirs: 31.0%)3.c4 (27.0% — Blancs: 34.1% | Nulles: 38.6% | Noirs: 27.3%)3.Bg5 (17.3% — Blancs: 32.1% | Nulles: 40.9% | Noirs: 27.0%)3.Bf4 (14.4% — Blancs: 25.3% | Nulles: 31.9% | Noirs: 42.8%)3.e3 (11.0% — Blancs: 31.8% | Nulles: 37.8% | Noirs: 30.4%)3.Nc3 (0.9% — Blancs: 48.3% | Nulles: 31.0% | Noirs: 20.7%) auto Analyse coup par coup — 4 demi-coups commentés 1.d4 Avancée centrale — contrôle c5, e5. Prépare c4, e4, Nc3. 1...Nf6 Contrôle e4, d5. 2.Nf3 Contrôle f4, c5, e5. 2...b6 Prépare le fianchetto du Fou (Bb7). Structure de pions ♔ Blancs♚ NoirsPions doublés——Pions isolés——Arriérés——Chaînes—● a7→b6, c7→b6Passés——Majorité—— Cases ♔ Blancs♚ NoirsCases fortes● e5 (2v0), ● g5…
A48 - 1.d4 Nf6 2.Nf3 g6 - East Indian Defense (1171)

Structure de pions ♔ Blancs♚ NoirsPions doublés——Pions isolés——Arriérés——Chaînes—● f7→g6, h7→g6Passés——Majorité—— Cases ♔ Blancs♚ NoirsCases fortes● e5 (2v0), ● g5 (2v0)—Cases faibles——Centre● d4 (2v0), ● e5 (2v0)● d5 (1v0), ● e4 (1v0) Colonnes et diagonales ♔ Blancs♚ Noirs Pièces ♔ Blancs♚ NoirsBc1● Bc1 Non développé (mob. 5)Bf1● Bf1 Non développé (mob. 0)Bc8● Bc8 Non développé (mob. 0)Bf8● Bf8 Non développé (mob. 2)Paire de fous● Oui● OuiNon développées5 (● b1, ● c1, ● f1, ● a1, ● h1)5 (● b8, ● c8, ● f8, ● a8, ● h8) Sécurité du roi ♔ Blancs♚ NoirsStatut● Au centre● Au centreDroits de…
A49 - 1.d4 Nf6 2.Nf3 g6 3.g3 - Indian Defense: Przepiorka Variation (1946) (442)

Base Masters : Blancs 31.7%, Nulles 42.6%, Noirs 25.8%. Coups candidats 3...Bg7 (92.5% — Blancs: 32.2% | Nulles: 42.2% | Noirs: 25.6%)3...d5 (3.4% — Blancs: 23.3% | Nulles: 52.8% | Noirs: 23.8%)3...c5 (2.6% — Blancs: 26.3% | Nulles: 44.0% | Noirs: 29.7%)3...b6 (0.9% — Blancs: 16.0% | Nulles: 50.0% | Noirs: 34.0%)3...b5 (0.3% — Blancs: 35.5% | Nulles: 19.4% | Noirs: 45.2%)3...d6 (0.1%) auto Analyse coup par coup — 5 demi-coups commentés 1.d4 Avancée centrale — contrôle c5, e5. Prépare c4, e4, Nc3. 1...Nf6 Contrôle e4, d5. 2.Nf3 Contrôle f4, c5, e5. 2...g6 Prépare le fianchetto du Fou (Bg7). 3.g3 Prépare le fianchetto du Fou (Bg2). Structure de pions ♔ Blancs♚ NoirsPions doublés——Pions isolés——Arriérés——Chaînes● f2→g3, h2→g3● f7→g6, h7→g6Passés——Majorité—— Cases ♔ Blancs♚ NoirsCases fortes●…