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) ● d5 (1v0), ● e4 (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) 5 (● b8, ● 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

A45a — Queen’s Pawn: Indian

1.d4 Nf6   ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bB
bQ
bK
bB
bR
bP
bP
bP
bP
bP
bP
bP
bP
bN
wPPion central
wP
wP
wP
wP
wP
wP
wP
wR
wN
wBFou actif — mobilité 5
wQ
wK
wB
wN
wR
abcdefgh
Plans. c4 (Frapper le centre adverse — 69 % des parties) ; Nf3 (Développer g1 — 23 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wN
wB
wK
wQ
wB
wN
wR
wP
wP
wP
wP
wP
wP
wP
wP
bN
bP
bP
bP
bP
bP
bP
bP
bP
bR
bB
bK
bQ
bB
bN
bR
hgfedcba
Plans. ...g6 (Préparer le fianchetto — 39 % des parties) ; ...e6 (Solidifier le centre, libérer le fou — 34 % des parties) ; ...c5 (Frapper le centre adverse — 13 % des parties) ; ...d5 (Occuper le centre — 5 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Partie
1954 British Under 21 Championship – Round 10 – Godwin, TT. – 1/2-1/2 – Cafferty, Bernard – G10
1. d4 Nf6 2. d5 c6 3. c4 cxd5 4. cxd5 Qa5+ 5. Nc3 b5 6. d6 Bb7 7. Bd2 b4 8. Qa4 Qxa4 9. Nxa4 Bc6 10. Rc1 exd6
1954 British Under 21 Championship – Round 8 – Mkandawire Thompson – 1/2-1/2 – Cafferty, Bernard – G8
1. d4 Nf6 2. d5 e6 3. dxe6 fxe6 4. g3 Bc5 5. Bg2 O-O 6. Nf3 Ne4 7. O-O b6 8. Nbd2 Bb7 9. Nxe4 Bxe4 10. Ne5 Bxg2
1958 Danmarksmesterskabet – Round 1 – Haahr, Thorkild – 1/2-1/2 – Lauridsen, Evald – G3
1. d4 Nf6 2. Bd2 g6 3. Qc1 Bg7 4. Bh6 O-O 5. Bxg7 Kxg7 6. Nc3 d6 7. Nf3 Nbd7 8. Qf4 c5 9. O-O-O cxd4 10. Qxd4 Qb6
1960 Ch - Campbell High S – Round 7 – Pollock, R. – 0-1 – Blackstone, John – G7
1. d4 Nf6 2. d5 c5 3. f3 d6 4. e4 g6 5. Bd2 Bg7 6. Bc3 a6 7. Nd2 b5 8. f4 Bb7 9. b3 O-O 10. e5 Nxd5
1960 Friendly – Round ? – Hughes, Rhian – 0-1 – Collins, Richard Arnold – G8
1. d4 Nf6 2. d5 g6 3. Nc3 Bg7 4. e4 d6 5. Bb5+ Bd7 6. Be3 Bxb5 7. Nxb5 Nxe4 8. Bd4 Nf6 9. Nf3 O-O 10. Bxa7 c6
1967 Zierikzee ch-NED – Round 1 – Krabbe, Thomas – 1-0 – Zuidema, Coen – G3
1. d4 Nf6 2. b3 d5 3. Bb2 e6 4. Nf3 c6 5. e3 Bb4+ 6. c3 Bd6 7. Bd3 Nbd7 8. c4 b5 9. Nbd2 bxc4 10. bxc4 O-O
1969 Hoogovens – Round 1 – Krabbe, Thomas – 0-1 – Honfi, K. – G4
1. d4 Nf6 2. b3 c5 3. e3 g6 4. Bb2 Bg7 5. Nf3 O-O 6. Be2 cxd4 7. Nxd4 d5 8. O-O a6 9. Nd2 Qc7 10. c4 e5
World Blitz 2015 – Round 4.1 – Carlsen, Magnus – 1-0 – Fressinet, Laurent – G211
1. d4 Nf6 2. a3 g6 3. Bf4 d6 4. e3 Bg7 5. Nf3 O-O 6. Be2 b6 7. O-O Bb7 8. h3 Nbd7 9. c4 Ne4 10. Bh2 e5

A45a — Indian Defense (1954)
1.d4 Nf6
Les coups candidats
Ambassadeurs : Korchnoi, Viktor (1648x), Portisch, Lajos (1193x), Uhlmann, Wolfgang (896x), Gligoric, Sofija (893x), Donner, Jan-Hein (807x), Gheorghiu, Florin (796x), Taimanov, Mark (764x), Polugaevsky, Lev (697x)
Ambassadeurs : Deforel, Jorge Eduardo (664x), Ikonnikov, Vyacheslav (630x), Romanishin, Oleg M (529x), Ftacnik, Lubomir (437x), Kurajica, Bojan (384x), Cebalo, Miso (360x), Veingold, Aleksandr (339x), Huss, Andreas (299x)
Ambassadeurs : Miladinovic, Igor (315x), Fels, Bernhard (274x), Bellon Lopez, Juan Manuel (259x), Hodgson, Julian M (254x), ? (138x), Cech, Pavel (135x), Stefanova, Antoaneta (108x), Gerstner, Wolfgang (96x)
Ambassadeurs : Leisebein, Peter (109x), Mestrovic, Zvonimir (106x), Gohla, Ulf (93x), Koksch, Guenther (82x), Grott, Peter (80x), Diebert, Charles (72x), Hoi, Carsten (70x), ? (70x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 2.c4 2.Nf3 2.Bg5 2.Nc3
<1800 115431 61% 24% 4% 3%
1800-2200 711688 63% 25% 5% 2%
2200-2600 767594 70% 23% 4% 1%
2600+ 40826 82% 14% 3% 1%
Évolution par décennie (% des parties)
Décennie N parties 2.c4 2.Nf3 2.Bg5 2.Nc3
1950s 17583 82% 14% 1% 1%
1960s 26147 82% 13% 0% 3%
1970s 34639 81% 12% 2% 3%
1980s 97770 72% 22% 2% 2%
1990s 310244 65% 26% 4% 2%
2000s 474284 64% 25% 5% 2%
2010s 667902 66% 23% 4% 2%
2020s 252466 68% 19% 3% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
2.c4 66% 68% ▲ +2.0%
2.Nf3 23% 19% ▼ -3.5%
2.Bg5 4% 3% ▼ -1.0%
2.Nc3 2% 3% ▲ +1.0%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 10 parties
Tal, Mikhail — 10 parties
Smyslov, Vladimir — 10 parties
Karpov, Anatoly — 10 parties
Karpov, Aleksandr — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Ding, Liren — 10 parties
Hou, Yifan — 10 parties
Ju, Wenjun — 10 parties
Gukesh D — 10 parties
Lasker, Emanuel — 3 parties
Fischer, Robert James — 2 parties
Smyslov, Vassily — 2 parties
Parties historiques
2.c4 — 66.8% (1256555 parties)
1950 — Zielinski, Marek vs Demogue — 1-0 — cr ch FRA
1950 — Bondarevsky, Igor vs Kopilov, Nikolay Georgiyevich — 1/2-1/2 — Leningrad RUS
1950 — Primavera, Roberto vs Golombek, Harry — 0-1 — ?
1950 — Beni, Alfred vs Kovacs, Abel — 1/2-1/2 — Wenen IT
1950 — Boulahanis, Ioannis vs Palda, Karl — 1/2-1/2 — Dubrovnik CRO
2.Nf3 — 23.0% (432223 parties)
1950 — Guimard, Carlos E vs Grob, Henry — 0-1 — Zurich SUI
1950 — Ceccato, Vittorio vs Castaldi, Vincenzo — 1-0 — Sorrento
1950 — Sandor, Bela vs Kluger, Gyula — 1/2-1/2 — Budapest HUN
1950 — Ganz, Maor vs Olsommer, Claude — 0-1 — Lucerne SUI
1950 — Eugenio, Sarah De Oliveira vs Primavera, Giuseppe — 1/2-1/2 — Venice ITA
2.Bg5 — 4.2% (78659 parties)
1950 — Von Baudissin, Georg vs Illgen, Hans — 1/2-1/2 — Bielefeld
1950 — Von Baudissin, Georg Graf vs Kieninger, Georg — 1/2-1/2 — Weidenau
1951 — Tipary, Lajos vs Gecsei, Istvan — 1-0 — Hungary ch
1951 — Tipary, Lajos vs Bakonyi, Elek — 1/2-1/2 — Hungary ch
1951 — Bogoljubow, Efim vs Klein, Ernst — 0-1 — Birmingham ENG
2.Nc3 — 2.1% (39358 parties)
1950 — Gaebler, Collin vs Walther, Edgar — 1/2-1/2 — cr.
1950 — Gligoric, Svetozar vs O'Kelly de Galway, Alberic — 1/2-1/2 — Dubrovnik oL
1950 — Czerniak, Magdalena vs Castillo, Mabel — 1/2-1/2 — Mar del Plata ARG
1950 — Czerniak, Moshe vs Pirc, Vasja — 1/2-1/2 — Mar del Plata ARG
1950 — Tierpugov vs Geller, Efim P. — 0-1 — URS/K