Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● c7→d6, e7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● g5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v1)	—

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. 5)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	5 (● b1, ● 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

A41d — Neo-Old Indian: 2.Nf3

1.d4 d6 2.Nf3 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. c4 (Frapper le centre adverse — 43 % des parties) ; g3 (Préparer le fianchetto — 20 % des parties) ; e4 (Occuper le centre — 16 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Bg4 (Fou actif (mobilité 7), Développer c8 — 32 % des parties) ; ...g6 (Préparer le fianchetto — 31 % des parties) ; ...Nf6 (Développer g8 — 25 % des parties) ; ...f5 (Attaque à l'aile roi — 7 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

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

│ ├── A41g - 3.c4 - Neo-Old Indian: Wade Defence (1967) [+0.67] · 47 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…Nc6 - Neo-Old Indian: Wade Defence (1925) [+1.24] · 15 parties

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Les parties, variante par variante

194 partiesA41f - 2…Bg4 - Wade Defense (1950)

251 partiesA41e - 2…g6 - Neo-Old Indian / Modern (1961)

A41d — Neo-Old Indian (1923)

1.d4 d6 2.Nf3

Les coups candidats

2…g6 — 30.6% (13170 parties) →

Ambassadeurs : McNab, Colin A (168x), Jovanovic, Zoran (126x), Azmaiparashvili, Zurab (82x), Onyshchuk, Volodymyr (76x), Czebe, Attila (70x), Biti, Ozren (69x), Oratovsky, Michael (61x), Kantsler, Boris (61x)

2…Nf6 — 30.5% (13145 parties) →

Ambassadeurs : Hickl, Joerg (88x), Lorscheid, Gerhard (64x), Klinova, Masha (59x), Klenburg, Michael (59x), Tratar, Marko (51x), Kadric, Denis (51x), Komliakov, Viktor (48x), Koellner, Ruben Gideon (47x)

2…Bg4 — 24.9% (10705 parties) →

Ambassadeurs : Popchev, Milko (80x), Hodgson, Julian M (67x), Jansa, Vlastimil (67x), Czerwonski, Aleksander (64x), Villing, Dieter (62x), Bezold, Michael (51x), Miles, Anthony J (48x), Plat, Vojtech (48x)

2…f5 — 6.0% (2581 parties)

Ambassadeurs : Wall, Gavin (12x), Espig, Lutz (11x), Mozes, Ervin (11x), Farrand, Julian T (11x), Clares Huanca, Danner Saed (10x), Yrjola, Jouni (9x), McKay, Roderick M (9x), Grigorov, Jordan N (8x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	2…g6	2…Nf6	2…Bg4	2…f5
<1800	1928	26%	41%	15%	4%
1800-2200	15191	29%	31%	23%	6%
2200-2600	22335	32%	28%	29%	6%
2600+	734	44%	33%	18%	4%

Évolution par décennie (% des parties)

Décennie	N parties	2…g6	2…Nf6	2…Bg4	2…f5
1950s	68	15%	60%	9%	10%
1960s	164	33%	38%	17%	9%
1970s	351	34%	39%	15%	8%
1980s	1334	32%	23%	32%	8%
1990s	7551	26%	25%	36%	7%
2000s	11264	30%	29%	27%	6%
2010s	17152	33%	31%	22%	6%
2020s	5177	30%	42%	14%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
2…g6	33%	30%	▼ -3.0%
2…Nf6	31%	42%	▲ +11.8%
2…Bg4	22%	14%	▼ -7.6%
2…f5	6%	4%	▼ -1.9%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Kramnik, Vladimir — 10 parties
Karpov, Anatoly — 10 parties
Ju, Wenjun — 10 parties
Ding, Liren — 10 parties
Carlsen, Magnus — 9 parties
Kasparov, Garry — 8 parties
Anand, Viswanathan — 7 parties
Botvinnik, Mikhail — 5 parties
Gukesh D — 4 parties
Hou, Yifan — 2 parties

Parties historiques

2…g6 — 30.6% (13170 parties)

1950 — Zagoriansky, Evgeny vs Salov, Vitaly V. — 1-0 — Tartu
1952 — Golombek, Harry vs Wade, Robert G — 1-0 — Saltsjobaden SWE
1955 — Kevitz, Alexander vs Kotov, Alexander — 0-1 — URS-USA telex
1955 — Hoenlinger, Baldur vs Jaeger, Walter — 0-1 — Hoechst ch-GER
1955 — Lisitsin, Georgy vs Kotov, Alexander — 0-1 — Moscow RUS

2…Nf6 — 30.5% (13145 parties)

1950 — Pytlakowski, Andrzej vs Greenfeld, Alon — 0-1 — Schiavno Zdroj
1950 — Alfred, Le Bron vs Kieninger, Georg — 1/2-1/2 — Bad Pyrmont GER
1952 — Lipnitsky, Isaac vs Lutikov, Anatoly S — 1-0 — Odessa UKR
1952 — Gonzalez, Juan Carlos vs Hofman, Lambert — 1-0 — Helsinki olm
1952 — Sandor, Bela vs Florian, Tibor — 1-0 — Budapest HUN

2…Bg4 — 24.9% (10705 parties)

1950 — Fridstein, Grigory vs Simagin, Vladimir — 0-1 — ?
1950 — Busek, Hans vs Prins, Lodewijk — 0-1 — Dubrovnik olm
1950 — Fridstein, German vs Simagin, Konstantin — 0-1 — Moscow RUS
1954 — Flohr, Salo vs Bastrikov, Georgy — 1-0 — Erevan ARM
1956 — Lisitsin, Georgy vs Simagin, Vladimir — 0-1 — Ch URS, Leningrad RUS

2…f5 — 6.0% (2581 parties)

1950 — Kan, Ilya A vs Kuzminykh, Evgeny — 1-0 — Leningrad RUS
1951 — Pirc, Vasja vs Fuderer, Andrija — 1-0 — Ljubljana
1955 — Morgan, Loenard vs Henderson, Peter — 1-0 — Virginia State ch;Roanoke,VA
1956 — Aronson, Lev vs Khasin, Abram — 1/2-1/2 — Moscow RUS
1957 — Kirillov, Vladimir vs Klavins, Janis — 1-0 — Minsk BLR

A41d - 2…* - Neo-Old Indian (22)

Structure de pions ♔ Blancs♚ NoirsPions doublés——Pions isolés——Arriérés——Chaînes—● c7→d6, e7→d6Passés——Majorité—— Cases ♔ Blancs♚ NoirsCases fortes● g5 (2v0)—Cases faibles——Centre● d4 (2v0), ● e5 (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. 5)Bf8● Bf8 Non développé (mob. 0)Paire de fous● Oui● OuiNon développées5 (● b1, ● 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…

A41d - 2…* - Neo-Old Indian (22)