E12 — Queen's Indian Defense

1. d4 Nf6 2. c4 e6 3. Nf3 b6 ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur les cases fortes e5 et g5 et la paire de fous.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b1, les fous c1 et f1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Nc3 (Développer Nb1) ; g3 (Masters 62%) ; h3 (Empêcher ...Bg4) ; a3 (Préparer expansion aile dame,).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la paire de fous.

Côté adverse. Les fous enfermés en c1 et f1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, les fous c8 et f8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d6 (Libérer Bc8) ; ...Bb7 (Fou sur diagonale active en b7) ; ...Ba6 (Développer le fou en a6) ; ...Nc6 (Développer Nb8).

Avantages

Faiblesses adverses

Diagonale active

Plans

+0.39 léger avantage blanc. Base Masters : Blancs 28.2%, Nulles 52.3%, Noirs 19.5%.

Coups candidats

auto

Analyse coup par coup — 6 demi-coups commentés

1.d4 Avancée centrale — contrôle c5, e5. Prépare c4, e4, Nc3.
1…Nf6 Contrôle e4, d5.
2.c4 Avancée centrale — contrôle b5, d5. Prépare d4, Nc3, e4.
2…e6 Avancée centrale — contrôle d5, f5. Prépare d5, Be7, Bd6.
3.Nf3 Contrôle f4, c5, d5, e5.
3…b6 Prépare le fianchetto du Fou (Bb7).

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● a7→b6, c7→b6, d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v0), ● g5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v0)	● d5 (2v1), ● 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. 2)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	5 (b1, 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	semi-ouvert
Ruptures	● c4-c5, ● d4-d5, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
19. European Teams 2013 – Round 2.3 – Kozul, Zdenko – 1-0 – Fedorchuk, Sergey A. – G74 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Bb7 5. e3 h6 6. Bh4 Be7 7. Nc3 Ne4 8. Nxe4 Bxh4 9. Bd3 Be7 10. O-O O-O
1922 BCF 15. Major Open – Round 11 – Scott, Roland Henry – 0-1 – Steiner, Endre – G13 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nbd2 Bb7 5. Qc2 c5 6. e3 Nc6 7. a3 Rc8 8. b3 cxd4 9. exd4 Be7 10. Bb2 d5
1923 Copenhagen – Round 1 – Jacobsen, Eiler – 0-1 – Nimzowitsch, Aron – G10 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. Bg5 h6 6. Bh4 Be7 7. e3 d6 8. Rc1 Nbd7 9. Bg3 O-O 10. Bd3 a6
1925 Baden-Baden – Round 1 – Thomas, George Alan – 0-1 – Saemisch, Friedrich – G55 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 d6 8. Bd3 Nbd7 9. Rc1 O-O 10. O-O Kh8
1925 Baden-Baden – Round 12 – Rabinovich, Ilya Mar – 0-1 – Nimzowitsch, Aron – G134 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 d6 8. Bd3 Nbd7 9. O-O O-O 10. Qe2 e5
1925 Bratislava-A – Round 3 – Hasek, Josef – 0-1 – Réti, Richard – G7 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. Bg5 h6 6. Bh4 Be7 7. e3 Ne4 8. Bxe7 Qxe7 9. Nxe4 Bxe4 10. Nd2 Bb7
1925 Moscow – Round 1 – Lasker, Emanuel – 1/2-1/2 – Saemisch, Friedrich – G56 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 Ne4 8. Bxe7 Qxe7 9. Nxe4 Bxe4 10. Be2 O-O
1926 Spa – Round 8 – Saemisch, Friedrich – 1/2-1/2 – Soultanbeieff, Victor – G12 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. Qc2 c5 8. dxc5 bxc5 9. e3 O-O 10. Be2 a6
1927 Kecskemet I – Round 5 – Alekhine, Alexander – 1/2-1/2 – Gilg, Karl – G18 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. Qc2 d5 8. e3 O-O 9. Rd1 Nbd7 10. cxd5 Nxd5
1930 Frankfurt – Round 10 – Mannheimer, Nathan – 0-1 – Przepiorka, Dawid – G52 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 h6 7. Bh4 Ne4 8. Bg3 Nxc3 9. bxc3 d6 10. Bd3 f5
1930 Prague Ch – Round 1 – Prokop, Frantisek – 1-0 – Thelen, Bedrich – G2 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 d6 8. Bd3 Nbd7 9. Qa4 O-O 10. Rd1 a6
1933 Leningrad ch-URS – Round 1 – Levenfish, Grigory – 1-0 – Romanovsky, Pjotr – G27 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. Qc2 d5 8. e3 Nbd7 9. Be2 O-O 10. O-O Ne4
1934 GER Ch 2nd – Round 15 – Borgardts, Gerhard – 0-1 – Roedl, Ludwig – G30 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. Bg5 h6 6. Bh4 Be7 7. e3 d6 8. Bd3 g5 9. Bg3 g4 10. Nd2 Bxg2
1936 Budapest – Round 9 – Négyesy, György – 0-1 – Najdorf, Miguel – G37 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. Qc2 c5 8. dxc5 bxc5 9. e4 O-O 10. Be2 Nc6
1938 AVRO – Round 1 – Flohr, Salo – 1/2-1/2 – Keres, Paul Petrovich – G8 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 Ne4 8. Bxe7 Qxe7 9. Qc2 Nxc3 10. Qxc3 O-O
1940 GER Ch 07th – Round 9 – Gilg, Karl – 1/2-1/2 – Schmidt, Paul Felix – G7 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nbd2 Bb7 5. e3 c5 6. dxc5 bxc5 7. Bd3 d6 8. O-O Be7 9. b3 O-O 10. Bb2 Qc7
1941 Trencianske Teplice – Round 3 – Ahues, Carl – 0-1 – Opocensky, Karel – G10 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nbd2 Bb7 5. Qc2 d5 6. e3 Be7 7. cxd5 exd5 8. Bb5+ c6 9. Bd3 O-O 10. O-O c5
1948 Karlovy Vary – Round 14 – Stoltz, Gabriel – 1/2-1/2 – Stulik, Vlastimil – G139 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nbd2 Bb7 5. Qc2 c5 6. e4 cxd4 7. Nxd4 Bc5 8. N4b3 Be7 9. Be2 Nc6 10. a3 Rc8
1951 Vienna 5152 – Round 1 – Keller, Hans – 0-1 – Matanovic, Aleksandar – G1 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Qc2 Bb7 5. Nbd2 d5 6. e3 Nbd7 7. cxd5 exd5 8. Bb5 Bd6 9. Bc6 Bxc6 10. Qxc6 O-O
1954 ITA-ch17 Trieste – Round 7 – Ferrantes, Giovanni – 1-0 – Magrin, Antonio – G8 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. Bg5 h6 6. Bh4 Be7 7. e3 d6 8. Qc2 Nbd7 9. Bg3 O-O 10. Bd3 Nh5
1960 Budapest zt – Round 10 – Popov, Luben – 1-0 – Prameshuber, Alexander – G57 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Bb7 5. Nc3 h6 6. Bh4 Be7 7. Rc1 Ne4 8. Bxe7 Qxe7 9. Nd2 Nxd2 10. Qxd2 O-O
1960 Budapest zt – Round 3 – Popov, Luben – 1/2-1/2 – Matanovic, Aleksandar – G20 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Bb7 5. Nc3 h6 6. Bh4 Be7 7. e3 Ne4 8. Bxe7 Qxe7 9. Nxe4 Bxe4 10. a3 a5
1960 Leipzig olm prel – Round 1 – Aaron, Manuel – 1-0 – Euwe, Max – G19 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. Nc3 e6 5. Bg5 h6 6. Bh4 Be7 7. e3 d6 8. Bd3 g5 9. Bg3 g4 10. Nd2 Bxg2
1960 Leningrad tt – Round 12 – Popov, Luben – 1-0 – Hjuverinen – G166 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Bb7 5. e3 Be7 6. Nc3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Nxe4 Bxe4 10. a3 O-O
1960 Leningrad tt – Round 5 – Langeweg, Kick – 1-0 – Kolarov, Atanas S. – G59 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. Qc2 d5 8. e3 O-O 9. Bxf6 Bxf6 10. cxd5 exd5
1960 Olympiad prel III – Round 7 – Lagha, Khelil – 0-1 – Golombek, Harry – G48 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nbd2 Bb7 5. e3 c5 6. Be2 Be7 7. b3 O-O 8. Bb2 cxd4 9. exd4 d5 10. O-O Nc6
1960 St Louis US Open – Round ? – Benko, Pal – 1-0 – Steinmeyer, Robert – G8 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. Qc2 d5 8. Bxf6 Bxf6 9. cxd5 exd5 10. e3 O-O
1960 Varna Varna BUL – Round 9 – Trifunovic, Petar – 1/2-1/2 – Pustina, Ylvi – G34 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 Ne4 8. Bxe7 Qxe7 9. Nxe4 Bxe4 10. Be2 O-O
1963 Bad Liebenstein – Round 6 – Uhlmann, Wolfgang – 0-1 – Minev, Nikolay N – G37 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 Ne4 8. Nxe4 Bxh4 9. Bd3 Be7 10. O-O O-O
1963 Capablanca Memorial – Round 10 – O'Kelly, Albéric de Galway – 1/2-1/2 – Trifunovic, Petar – G88 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 Ne4 8. Bxe7 Qxe7 9. Qc2 Nxc3 10. Qxc3 O-O
1963 Sochi – Round 9 – Antoshin, Vladimir S – 1/2-1/2 – Polugaevsky, Lev – G53 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Nxe4 Bxe4 10. Be2 Qb4+
1963 URS Spartakiad – Round 1 – Kortchnoi, V. – 1/2-1/2 – Polugaevsky, L. – G4 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 h6 7. Bh4 Ne4 8. Bg3 O-O 9. Bd3 d5 10. cxd5 exd5
1964 Belgrade – Round 1 – Korchnoi, Viktor – 1-0 – Matanovic, Aleksandar – G4 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 h6 7. Bh4 Ne4 8. Bg3 Bb4 9. Qc2 Bxc3+ 10. bxc3 d6
1964 Belgrade – Round 1 – Korchnoi, Viktor – 1-0 – Zuidema, Coen – G3 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 h6 7. Bh4 Ne4 8. Bg3 O-O 9. Bd3 d5 10. Qc2 Nxg3
1964 Belgrade – Round 16 – Korchnoi, Viktor – 1-0 – Matanovic, Aleksandar – G113 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 h6 7. Bh4 Ne4 8. Bg3 Bb4 9. Qc2 Bxc3+ 10. bxc3 d6
1964 Capablanca Memorial – Round 19 – Uhlmann, Wolfgang – 1/2-1/2 – Padevsky, Nikola – G187 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 Ne4 8. Nxe4 Bxe4 9. Bg3 O-O 10. Nd2 Bb7
1964 Tel Aviv olm – Round 1 – Simon Cobo, Enrique – 0-1 – Fridh, Anton – G45 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 d6 8. Be2 Nbd7 9. Qc2 a6 10. O-O O-O
1965 Candidats final – Round 8 – Spassky, Boris Vasily – 1/2-1/2 – Tal, Mikhail – G8 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 Ne4 8. Bxe7 Qxe7 9. Nxe4 Bxe4 10. Be2 O-O
1965 Capablanca Memorial – Round 15 – Cobo Arteaga, Eldis – 1/2-1/2 – Donner, Jan-Hein – G149 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 Ne4 8. Bxe7 Qxe7 9. Nxe4 Bxe4 10. Be2 O-O
1965 Chigorin Memorial – Round 13 – Malich, Burkhard, Dr. – 1/2-1/2 – Damjanovic, Mato – G62 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Bg5 Bb7 5. e3 Be7 6. Nc3 h6 7. Bh4 Ne4 8. Bg3 Nxg3 9. hxg3 c5 10. Bd3 cxd4
1965 Chigorin Memorial – Round 13 – Spassky, Boris V. – 1/2-1/2 – Unzicker, Wolfgang – G61 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Bb7 5. e3 h6 6. Bh4 Be7 7. Nc3 Ne4 8. Bxe7 Qxe7 9. Nxe4 Bxe4 10. Be2 O-O
1965 DDR Ch 15th – Round 7 – Malich, Burkhard, Dr. – 1/2-1/2 – Liebert, Heinz – G28 1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 Ne4 8. Bxe7 Qxe7 9. Nxe4 Bxe4 10. Bd3 Qb4+
1965 Hastings ENG – Round 5 – Spassky, Boris Vasily – 1/2-1/2 – Vasiukov, Evgeni – G6 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 Ne4 8. Bxe7 Qxe7 9. Nxe4 Bxe4 10. Be2 Qb4+
1965 It (Men) Budapest HUN – Round 9 – Malich, Burkhard, Dr. – 1/2-1/2 – Szabo, Laszlo – G15 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 Ne4 8. Bxe7 Qxe7 9. Nxe4 Bxe4 10. Bd3 Qb4+
1965 It Zinnowitz GER – Round 5 – Simagin, Vladimir – 1/2-1/2 – Kozma, Julius – G10 1. c4 Nf6 2. d4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. Qd3 d5 8. cxd5 exd5 9. Qb5+ c6 10. Qb3 Nbd7
1965 It Zinnowitz GER – Round 6 – Uhlmann, Wolfgang – 1/2-1/2 – Simagin, Vladimir – G14 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 Ne4 8. Nxe4 Bxe4 9. Bg3 O-O 10. Nd2 Bb7
1965 Leipzig Inter-1 – Round 15 – Bobotsov, Milko G – 1/2-1/2 – Antoshin, Vladimir S – G54 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 Ne4 8. Bxe7 Qxe7 9. Nxe4 Bxe4 10. Bd3 Qb4+
1965 Leipzig Inter-1 – Round 9 – Uhlmann, Wolfgang – 1/2-1/2 – Antoshin, Vladimir S – G20 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 Ne4 8. Nxe4 Bxe4 9. Bg3 O-O 10. Bd3 Bxd3
1965 Pardubice – Round 11 – Alster, Ladislav – 1-0 – Petras, Jan – G72 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 h6 5. Bh4 Bb7 6. Nc3 Be7 7. Qc2 d5 8. Bxf6 Bxf6 9. cxd5 exd5 10. e3 O-O
1965 URS-JUG – Round 3 – Kushnir, Alla – 1/2-1/2 – Nedeljkovic Jovanovic, Verica – G5 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Bb7 5. Nc3 Be7 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Nxe4 Bxe4 10. Be2 d6
1965 Zagreb – Round 8 – Antoshin, Vladimir S – 1/2-1/2 – Gipslis, Aivars – G82 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 Ne4 8. Bxe7 Qxe7 9. Nxe4 Bxe4 10. Be2 Qb4+
1965 Zagreb – Round 9 – Uhlmann, Wolfgang – 1/2-1/2 – Parma, Bruno – G93 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 h6 7. Bh4 c5 8. Be2 O-O 9. O-O Ne4 10. Nxe4 Bxe4
1966 Mar del Plata – Round 11 – Uhlmann, Wolfgang – 1/2-1/2 – Portisch, Lajos – G49 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 h6 7. Bh4 c5 8. Bd3 cxd4 9. Nxd4 O-O 10. O-O Nc6
1966 Sunderland ch-BCF – Round 2 – Winser, William Arthur – 1/2-1/2 – Fazekas, Stephan – G29 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. Qc2 O-O 8. e3 d5 9. cxd5 Nxd5 10. Bxe7 Qxe7
1967 DDR Ch 16th – Round 2 – Golz, Werner – 1/2-1/2 – Liebert, Heinz – G7 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 c5 8. dxc5 bxc5 9. Be2 Ne4 10. Nxe4 Bxe4
1967 Sochi – Round 4 – Antoshin, Vladimir S – 1/2-1/2 – Liebert, Heinz – G40 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 Ne4 8. Nxe4 Bxe4 9. Bg3 O-O 10. Bd3 Bxd3
1969 Glasgow Congress Invitation – Round 2 – Barden, Leonard – 1-0 – Pritchett, Craig W – G6 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. Qc2 c5 8. dxc5 bxc5 9. e3 Nc6 10. Be2 g5
1970 Belgrade URS-World – Round 3.1 – Spassky, Boris V. – 0-1 – Larsen, Bent – G9 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 O-O 7. Bd3 c5 8. O-O Nc6 9. d5 Nb4 10. d6 Bxd6
1970 Palma de Mallorca Interzonal – Round 9 – Smyslov, Vassily – 1/2-1/2 – Panno, Oscar – G30 1. c4 Nf6 2. Nf3 b6 3. Nc3 Bb7 4. d4 e6 5. a3 Ne4 6. Nxe4 Bxe4 7. e3 Be7 8. Bd3 Bxd3 9. Qxd3 d5 10. cxd5 Qxd5
1971 Moscow – Round ? – Petrosian, Tigran V. – 1-0 – Karpov, Anatoly – G85 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Bb7 5. e3 h6 6. Bh4 g5 7. Bg3 Ne4 8. Nbd2 Nxg3 9. hxg3 c5 10. Bd3 Bg7
1972 Skopje ol (Men) fin-A – Round 8 – Gheorghiu, Florin – 1/2-1/2 – Ivkov, Borislav – G163 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. a3 d5 6. cxd5 exd5 7. b4 Be7 8. e3 O-O 9. Be2 Nbd7 10. Qb3 c6
1975 Portoroz/Ljubljana – Round 8 – Furman, Slavomir – 1/2-1/2 – Planinec, Albin – G21 1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Bg5 e6 5. Nf3 Be7 6. e3 c5 7. dxc5 bxc5 8. Bd3 O-O 9. O-O d6 10. Qe2 Nbd7
1975 URS Team Ch – Round 1 – Yuferov, Sergey N – 0-1 – Rytov, Boris – G149 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Be7 6. d5 exd5 7. cxd5 O-O 8. e4 d6 9. Bd3 Nbd7 10. O-O Ne5
1975 URS Team Ch – Round 3 – Kholmov, Ratmir D – 1-0 – Ilinsky, Vladimir – G550 1. Nf3 Nf6 2. d4 b6 3. c4 e6 4. Nc3 Bb7 5. a3 d5 6. Bg5 Be7 7. e3 h6 8. Bh4 O-O 9. Rc1 Ne4 10. Bxe7 Qxe7
1975 URS Team Ch – Round 3 – Popov, Nemanja G – 1/2-1/2 – Karner, Hillar – G148 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Ne4 6. Nxe4 Bxe4 7. Bf4 d6 8. e3 c5 9. Be2 Be7 10. O-O O-O
1990 Linares 8th – Round 5 – Spassky, Boris V – 1/2-1/2 – Salov, Valery – G29 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Nxe4 Bxe4 10. Be2 O-O
36. Olympiad 2004 – Round 13 – Kacheishvili, Giorgi – 1/2-1/2 – Volokitin, Andrei – G461 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Bb7 5. Nc3 h6 6. Bh4 Be7 7. e3 Ne4 8. Nxe4 Bxe4 9. Bg3 O-O 10. Nd2 Bb7
36. Olympiad 2004 – Round 7 – Jobava, Baadur – 1-0 – Afonso Delgado, Nayara – G231 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Bb7 5. Nc3 h6 6. Bh4 Be7 7. e3 Ne4 8. Nxe4 Bxe4 9. Bg3 O-O 10. Nd2 Bb7
36. Olympiad 2004 – Round 8 – Kacheishvili, Giorgi – 1/2-1/2 – Tiviakov, Sergei – G268 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Bb7 5. Nc3 h6 6. Bh4 Be7 7. e3 Ne4 8. Nxe4 Bxe4 9. Bg3 c5 10. Bd3 Bb7
Amber Rapid 2007 – Round 4 – Gelfand, Boris – 1/2-1/2 – Leko, Peter – G12 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 O-O 8. Bd3 c5 9. O-O cxd4 10. exd4 Nc6
Biel Interzonal 1993 – Round 9 – Kamsky, Gata – 1-0 – Yudasin, Leonid – G6 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 Ne4 8. Nxe4 Bxh4 9. Bd3 Be7 10. Qb3 d6
Candidats qf3 1980 – Round 3 – Spassky, Boris V. – 1/2-1/2 – Portisch, Lajos – G3 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 Ne4 8. Bxe7 Qxe7 9. Nxe4 Bxe4 10. Be2 O-O
Candidats sf2 1977 – Round 1 – Spassky, Boris V. – 1/2-1/2 – Portisch, Lajos – G1 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 O-O 8. Bd3 c5 9. O-O cxd4 10. exd4 Bxf3
Candidats sf2 1977 – Round 5 – Spassky, Boris V. – 1-0 – Portisch, Lajos – G5 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 O-O 8. Bd3 c5 9. O-O cxd4 10. exd4 d5
Candidats Tournament 1985 – Round 1 – Seirawan, Yasser – 1/2-1/2 – Portisch, Lajos – G1 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. Qc2 c5 8. dxc5 bxc5 9. e3 O-O 10. Be2 d6
Candidats Tournament 1985 – Round 8 – Seirawan, Yasser – 1-0 – Short, Nigel D – G47 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. Qc2 c5 8. dxc5 bxc5 9. e3 O-O 10. Be2 d6
FIDE GP 2002 – Round 2.2 – Bacrot, Etienne – 1-0 – Ivanchuk, Vasyl – G43 1. c4 Nf6 2. Nf3 e6 3. Nc3 b6 4. d4 Bb7 5. Bg5 h6 6. Bh4 Be7 7. Qc2 d6 8. e4 Nbd7 9. Be2 c5 10. d5 exd5
Grand Slam Final 4th 2011 – Round 8 – Ivanchuk, Vasyl – 1/2-1/2 – Anand, Viswanathan – G6 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. Qc2 c5 8. dxc5 bxc5 9. e3 O-O 10. Be2 d6
Hoogovens 1985 – Round 3 – Ree, Hans – 0-1 – Korchnoi, Viktor – G11 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. Qc2 c5 8. Rd1 Bxf3 9. gxf3 cxd4 10. Rxd4 Nc6
Las Palmas Las Palmas ESP 1977 – Round 15 – Tal, Mikhail – 1/2-1/2 – Karpov, Anatoly – G12 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Nxe4 Bxe4 10. Be2 O-O
Mar del Plata 1982 – Round 1 – Franco Ocampos, Zenon – 1/2-1/2 – Andersson, Ulf 1949 – G30 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. b3 c5 5. d5 Ba6 6. Qc2 exd5 7. cxd5 g6 8. Nc3 Bg7 9. g3 O-O 10. Bg2 d6
Mtel Masters 2006 – Round 1 – Bacrot, Etienne – 0-1 – Anand, Viswanathan – G1 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 Ne4 8. Nxe4 Bxe4 9. Bg3 d6 10. Bd3 Bb7
Rapid Match 2008 – Round 8 – Carlsen, Magnus – 1/2-1/2 – Leko, Peter – G7 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 O-O 8. Bd3 c5 9. O-O cxd4 10. exd4 Nc6
Tallinn 1973 – Round 1 – Spassky, Boris V. – 1/2-1/2 – Keres, Paul – G19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 c5 8. Be2 O-O 9. O-O cxd4 10. Nxd4 Nc6
TCh-RUS 2005 – Round 5 – Sakaev, Konstantin – 1/2-1/2 – Brodsky, Michail – G75 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 Ne4 8. Nxe4 Bxe4 9. Bg3 O-O 10. Bd3 Bxd3
USR - Wereld 1984 – Round 3.3 – Polugaevsky, Lev – 1/2-1/2 – Korchnoi, Viktor – G9 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. Qc2 d5 8. cxd5 Nxd5 9. Nxd5 exd5 10. Bxe7 Qxe7
World Blitz 2007 – Round 18 – Dreev, Aleksey – 0-1 – Carlsen, Magnus – G171 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 h6 7. Bh4 c5 8. dxc5 bxc5 9. Be2 O-O 10. O-O d6
World Blitz 2007 – Round 21 – Dreev, Aleksey – 1-0 – Leko, Peter – G202 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 O-O 8. Qc2 d5 9. Bxf6 Bxf6 10. cxd5 exd5
World Blitz 2015 – Round 5.44 – Olafsson, Halldor – 0-1 – Edouard, Romain – G310 1. Nf3 Nf6 2. c4 b6 3. d4 Bb7 4. Nc3 e6 5. Bg5 Be7 6. e3 h6 7. Bh4 c5 8. dxc5 bxc5 9. Be2 O-O 10. O-O d6
World Cup 1988 – Round 1 – Spassky, Boris V. – 0-1 – Hjartarson, Johann – G25 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 Be7 7. e3 O-O 8. Bd3 c5 9. O-O cxd4 10. exd4 d5
World Cup 1989 – Round 12 – Salov, Valery – 1-0 – Ehlvest, Jaan – G71 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Nxe4 Bxe4 10. Nd2 Bb7

E12a —

1.d4 Nf6 2.c4 e6 3.Nf3 b6

Eval: [+0.32]

Les coups candidats

4.g3 — 57.9% (74647 parties) →

Ambassadeurs : Farago, Ivan (220x), Salzmann, Stefan (194x), Timman, Jan H (193x), Karpov, Anatoly (193x), Epishin, Vladimir (185x), Nikolic, Predrag (174x), Van Wely, Loek (157x), Pérez López, Alberto (154x)

4.a3 — 19.4% (24976 parties) →

Ambassadeurs : Farago, Ivan (158x), Susla, Vitaliy (99x), Browne, Walter Shawn (82x), Khenkin, Igor (70x), Timman, Jan H (65x), Dreev, Aleksey (64x), Cramling, Pia (63x), Szabo, Vilmos (63x)

4.Nc3 — 13.3% (17081 parties) →

Ambassadeurs : Seirawan, Yasser (70x), Miles, Anthony J (68x), Farago, Ivan (62x), Dreev, Aleksey (62x), Polugaevsky, Lev (50x), Korchnoi, Viktor (47x), Sokolov, Ivan (46x), Timman, Jan H (44x)

4.e3 — 5.9% (7589 parties) →

Ambassadeurs : Lukacs, Peter (52x), Chatalbashev, Boris (42x), ? (40x), Portisch, Lajos (39x), Danner, Georg (28x), Certek, Pavel (27x), Pachman, Ludek (26x), Malaniuk, Vladimir P (23x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4.g3	4.a3	4.Nc3	4.e3
<1800	2490	45%	17%	22%	7%
1800-2200	33999	57%	19%	13%	6%
2200-2600	67856	60%	20%	12%	5%
2600+	5457	64%	18%	12%	4%

Évolution par décennie (% des parties)

Décennie	N parties	4.g3	4.a3	4.Nc3	4.e3
1880s	1	—	—	—	—
1900s	1	—	—	100%	—
1910s	2	—	—	100%	—
1920s	382	52%	1%	30%	3%
1930s	645	76%	1%	12%	6%
1940s	528	80%	2%	8%	8%
1950s	1005	62%	0%	11%	24%
1960s	1487	50%	2%	24%	20%
1970s	2547	58%	11%	11%	15%
1980s	9726	43%	26%	22%	5%
1990s	17808	50%	23%	17%	7%
2000s	35950	52%	21%	16%	7%
2010s	47325	65%	18%	10%	4%
2020s	11476	71%	17%	6%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4.g3	65%	71%	▲ +6.7%
4.a3	18%	17%	▼ -1.0%
4.Nc3	10%	6%	▼ -3.9%
4.e3	4%	3%	▼ -1.7%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 10 parties
Euwe, Max — 10 parties
Botvinnik, Mikhail — 10 parties
Smyslov, Vladimir — 10 parties
Tal, Mikhail — 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
Hou, Yifan — 10 parties
Ju, Wenjun — 10 parties
Ding, Liren — 10 parties
Gukesh D — 9 parties
Lasker, Emanuel — 6 parties

Parties historiques

4.g3 — 57.9% (74647 parties)

1920 — Krenzisky, Simon vs Norman Hansen, Holger — 0-1 — Goteborg SWE
1920 — Tarrasch, Siegbert vs Nimzowitsch, Aron — 1/2-1/2 — Goteborg SWE
1920 — Rubinstein, Akiba vs Bogoljubow, Efim — 0-1 — Goteborg SWE
1921 — Alekhine vs Bogoljubow — 1-0 — Triberg
1921 — Werneck de Castro, Raul vs Grau, Roberto G — 0-1 — Carrasco

4.a3 — 19.4% (24976 parties)

1923 — Mikulka Rudolf vs Tereba, R. — 1-0 — Pardubice CZE
1928 — Engel, Jindrich vs Gruenfeld, Ernst — 1/2-1/2 — Trencianske Teplice SVK
1929 — Baratz, Abraham vs Duchamp, Marcel — 1-0 — Paris FRA
1931 — Nimzowitsch, Aron vs Gygli, Fritz — 1-0 — Bern SUI
1931 — Nimzowitsch, Aron vs Gygli, Fritz — 1-0 — Bern SUI

4.Nc3 — 13.3% (17081 parties)

1903 — Siegheim, Bruno vs Michell, Reginald — 0-1 — London ENG
1914 — Bernstein, Ossip vs Nimzowitsch, Aron — 1/2-1/2 — St Petersburg RUS
1915 — Nenarokov, Vladimir vs Alekhine, Alexander — 0-1 — Moscow RUS
1920 — Bogoljubow, Efim vs Spielmann, Rudolf — 0-1 — Goteborg SWE
1920 — Von Gelder vs Euwe, Max — 0-1 — Amsterdam NED

4.e3 — 5.9% (7589 parties)

1921 — Hakansson, Arthur vs Nimzowitsch, Aaron — 1/2-1/2 — Kristiansstad
1922 — Tartakower, Savielly vs Saemisch, Friedrich — 1-0 — Teplitz-Schoenau GER
1922 — Padulli, Giuseppe vs Kuehne, Ch. — 0-1 — Milan ITA
1924 — Koltanowski, George BEL2 vs Reca, Damian ARG2 — 0-1 — Paris FRA
1924 — Gale, Sidney vs Ledain, Dudley M — 1-0 — Hamilton

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