Structure de pions

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	● d4 (1v0), ● d5 (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. 5)
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	● c4-c5	● …c7-c5, ● …d6-d5, ● …e7-e5

A41l — Neo-Old Indian: 2.c4

1.d4 d6 2.c4 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nc3 (Développer b1 — 45 % des parties) ; Nf3 (Développer g1 — 30 % des parties) ; d5 (Occuper le centre — 5 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...e5 (Occuper le centre — 49 % des parties) ; ...g6 (Préparer le fianchetto — 21 % des parties) ; ...Nf6 (Développer g8 — 17 % des parties) ; ...f5 (Attaque à l'aile roi — 6 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Les parties, variante par variante

1184 partiesA41q - 2…g6 - Neo-Old Indian: Modern (1961)

238 partiesA41m - 2…e5 - Rat Defense: English Rat (2014)

A41l — Old Indian Defense (1947)

1.d4 d6 2.c4

Les coups candidats

2…e5 — 50.7% (12892 parties) →

Ambassadeurs : McNab, Colin A (61x), Strikovic, Aleksa (54x), Popchev, Milko (47x), Hausner, Ivan (38x), Azmaiparashvili, Zurab (32x), Okhotnik, Vladimir (31x), Komliakov, Viktor (30x), Hickl, Joerg (30x)

2…g6 — 19.1% (4864 parties) →

Ambassadeurs : Kadonas, Kestutis (33x), Hoi, Carsten (23x), Lorscheid, Gerhard (23x), Pel, Bonno (20x), Szenetra, Werner (15x), Tarmak, Mart (14x), Rukavina, Josip (14x), Kotov, Alexander (13x)

2…Nf6 — 17.8% (4525 parties) →

Ambassadeurs : Manouck, Thierry (14x), Laske, Erich (12x), Hartlaub, Marianne (12x), Ilic, Ilija (12x), De Coverly, Roger D (11x), Kiss, Attila (10x), Szekely, Stefan (10x), Ianov, Viktor (9x)

2…f5 — 4.8% (1218 parties) →

Ambassadeurs : Reilly, Tim (21x), Beim, Valeri (17x), Kaiszauri, Konstanty (16x), Koch, Wolfgang Max, Dr. (15x), Martinsen, Stig K (9x), Grigorov, Jordan N (7x), Richter, Gerhard, Dr. (7x), Delithanasis, Dimitrios (7x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	2…e5	2…g6	2…Nf6	2…f5
<1800	1864	31%	22%	31%	3%
1800-2200	10818	49%	19%	20%	5%
2200-2600	9583	64%	17%	9%	5%
2600+	124	75%	16%	2%	7%

Évolution par décennie (% des parties)

Décennie	N parties	2…e5	2…g6	2…Nf6	2…f5
1950s	48	40%	21%	21%	8%
1960s	146	38%	34%	14%	8%
1970s	274	39%	33%	15%	6%
1980s	984	52%	20%	12%	11%
1990s	5101	50%	21%	18%	5%
2000s	7837	47%	21%	19%	5%
2010s	8825	53%	18%	18%	4%
2020s	2195	61%	13%	18%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
2…e5	53%	61%	▲ +7.9%
2…g6	18%	13%	▼ -4.9%
2…Nf6	18%	18%	-0.3%
2…f5	4%	3%	▼ -0.9%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Karpov, Anatoly — 7 parties
Anand, Viswanathan — 4 parties
Ju, Wenjun — 4 parties
Botvinnik, Mikhail — 3 parties
Gukesh D — 2 parties
Kasparov, Garry — 1 partie
Kramnik, Vladimir — 1 partie

Parties historiques

2…e5 — 50.7% (12892 parties)

1950 — Almiron, Martin Alejandro vs Vidmar, Marjeta — 0-1 — Dubrovnik olm
1950 — Martin M Pereira vs Trifunovic, Petar — 1/2-1/2 — Mar del Plata ARG
1950 — De Freitas, Manuela Schmitz vs Trifunovic, Petar — 0-1 — Mar del Plata ARG
1950 — Eugenio, Sarah De Oliveira vs Trifunovic, Petar — 0-1 — Venice ITA
1950 — Rapaka Samuel Paul vs Tartakower, Savielly — 1-0 — Amsterdam NED

2…g6 — 19.1% (4864 parties)

1952 — Holten, H. vs Van Bockel, H. — 1-0 — NED
1954 — Einhorn, A vs Yarmak, Sergey — 0-1 — Los Angeles, CA USA
1956 — Ory, Audrey vs Kucevic, Emil — 0-1 — corr Dyckhoff mem
1957 — Galewicz, Marek vs Matkowski, Wiktor — 1-0 — Warchau ch POL
1957 — Jonkman, Fokke vs Barendregt, Johan — 0-1 — ?

2…Nf6 — 17.8% (4525 parties)

1951 — Kotov, Alexander vs Simagin, Vladimir — 1/2-1/2 — Moskou ch-URS
1952 — Garcia Vera, Romeo vs Rossetto, Hector — 1-0 — Mar del Plata ARG
1952 — Castro, Souza Luiz vs Madeira, de Ley Manuel — 0-1 — ?
1952 — Steiner, Herman vs Potter, Albert John — 1-0 — Dallas, TX USA
1952 — Rodriguez Camio, A. vs Giustina, Orestes — 0-1 — Rosario ARG

2…f5 — 4.8% (1218 parties)

1950 — Alatortsev, Vladimir N. vs Kuzminykh, Evgeny — 1/2-1/2 — URS-ch sf Leningard
1954 — Salas Romo, Julio vs Munoz Chaves, Jose Pablo — 1-0 — ?
1954 — Kluger, Gyula vs Sandor, Balazs — 1/2-1/2 — Hungary ch
1955 — Arlamowski, Edward vs Partyka, Kazimierz — 1/2-1/2 — Wroclaw POL
1960 — Franco, Sigifredo vs Nielsen, Axel — 0-1 — Aalborg DEN

A41l - 2…* - Old Indian Defense (5)

Structure de pions ♔ Blancs♚ NoirsPions doublés——Pions isolés——Arriérés——Chaînes—● c7→d6, e7→d6Passés——Majorité—— Cases ♔ Blancs♚ NoirsCases fortes——Cases faibles——Centre● d4 (1v0), ● d5 (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…

A41l - 2…* - Old Indian Defense (5)