A56 — Benoni Defense

1. d4 Nf6 2. c4 c5 ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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

Côté adverse. Les fous enfermés en c8 et f8, le roi resté au centre et une pièce en prise (le pion en c5).

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les cavaliers b1 et g1, les fous c1 et f1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; e4 (Centre d4+e4, menace e5, libère Bf1) ; Nf3 (Développer Ng1) ; d5 (Occuper le centre,) ; Bg5 (Clouer Nf6).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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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) ; ...Nc6 (Développer Nb8) ; ...Bd6 (Développer Bf8) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Base Masters : Blancs 40.4%, Nulles 33.5%, Noirs 26.1%.

Coups candidats

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.c4 Avancée centrale — contrôle b5, d5. Prépare d4, Nc3, e4.
2…c5 Avancée centrale — contrôle b4, d4. Prépare Nc6, d5.

Structure de pions

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	● e5 (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	semi-ouvert
Ruptures	● d4-d5, ● e2-e3, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5

Partie
1921 Carrasco – Round 11 – Anaya Oger, Hector – 1-0 – Palau, Luis – G29 1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. d5 d6 5. Nc3 e5 6. e4 Be7 7. h3 Nbd7 8. Bd3 Nf8 9. Be3 Ng6 10. Qd2 a6
1922 BCF 15. Major Open – Round 1 – Seitz, Jakob Adolf – 0-1 – Blake, Joseph – G1 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 d6 5. e4 Be7 6. Bd3 e5 7. Nge2 O-O 8. O-O Nbd7 9. Ng3 Re8 10. Nf5 Nf8
1922 Carrasco – Round 6 – Palau, Luis – 1/2-1/2 – Villegas, Benito – G1 1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. d5 d6 5. Nc3 e5 6. e4 Be7 7. Bd3 Nbd7 8. O-O Nf8 9. Ne1 Ng6 10. Ne2 Nh5
1927 London Olympiad 1st – Round 11.22 – Gilg, Karl – 1-0 – Yates, Frederic D – G116 1. d4 e6 2. c4 c5 3. d5 Nf6 4. Nc3 d6 5. g3 Be7 6. Bg2 O-O 7. e4 e5 8. Nge2 Ne8 9. O-O Kh8 10. Qd3 Nd7
1938 GBR Ch 31. Major B – Round 6 – Schaechter, Leiser – 0-1 – Seitz, Jakob Adolf – G6 1. d4 c5 2. d5 e5 3. c4 d6 4. Nc3 Nf6 5. e4 Be7 6. Nf3 O-O 7. Be2 Nbd7 8. O-O Re8 9. Ne1 Nf8 10. f4 exf4
1949 Vienna – Round 12 – Rabar, Braslav – 1-0 – Galia, K. – G19 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 d6 5. e4 Be7 6. Bd3 e5 7. Nge2 Nh5 8. Ng3 Nf4 9. Bxf4 exf4 10. Nh5 g5
1957 Mar del Plata – Round 6 – Alonso-Lej De Las Casas, Fernando – 0-1 – Rossetto, Hector – G62 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Be2 O-O 7. Nf3 Ne8 8. Qc2 a6 9. Be3 Nd7 10. O-O g6
1957 Rio de Janeiro zt – Round 1 – Rubio Aguado, Fernando – 0-1 – Engels, Ludwig – G18 1. d4 c5 2. d5 e5 3. c4 d6 4. e4 Nf6 5. Nc3 Be7 6. Nf3 O-O 7. Be2 Nbd7 8. O-O Re8 9. a3 b6 10. Re1 Nf8
1958 Hoogovens – Round 7 – Euwe, Max – 1-0 – Milic, Bozidar – G27 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Be2 O-O 7. Nf3 Ne8 8. O-O f5 9. exf5 Bxf5 10. Nd2 Nf6
1959 Kragujevac ch14-YUG – Round 3 – Bertok, Mario Jr. – 1-0 – Janosevic, Dragoljub – G97 1. c4 Nf6 2. d4 c5 3. Nc3 3. ... e6 4. d5 exd5 5. cxd5 d6 6. Nf3 g6 7. Bf4 a6 8. a4 Bg7 9. e4 O-O 10. Be2 Re8
1962 CSR Ch – Round 13 – Hybl, Jaroslav – 0-1 – Trapl, Jindrich – G109 1. d4 Nf6 2. c4 c5 3. d5 e5 4. e4 d6 5. Nc3 Be7 6. Nf3 O-O 7. Be2 Ne8 8. O-O g6 9. Ne1 Bg5 10. Nd3 Nd7
1962 Spartak Ch – Round 6 – Cherepkov, Alexander V – 0-1 – Sergievsky, Vladimir D – G42 1. d4 c5 2. d5 Nf6 3. c4 e5 4. Nc3 d6 5. e4 Be7 6. Be2 O-O 7. Nf3 Ne8 8. O-O g6 9. Bh6 Ng7 10. Qd2 Bg4
1962 Varna olm – Round 4 – Bilek, Istvan – 1/2-1/2 – Hort, Vlastimil – G119 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Be2 O-O 7. Nf3 Ne8 8. O-O g6 9. Bh6 Ng7 10. Qd2 Nd7
1963 Leipzig Open 6364 2nd – Round 6 – Boehlig, Heinz, Dr. – 0-1 – Pietzsch, Wolfgang – G32 1. d4 c5 2. d5 e5 3. e4 d6 4. c4 Be7 5. Nc3 Nf6 6. Be2 O-O 7. Nf3 Ne8 8. O-O Nd7 9. Ne1 Bg5 10. Nd3 g6
1963 UKR Ch – Round 4 – Nikolaevsky, Yuri V – 1/2-1/2 – Rotstein, Jefim – G26 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Be2 O-O 7. Nf3 Ne8 8. O-O a6 9. a3 Bg4 10. Ne1 Bxe2
1964 Kiev ch-URS – Round 1 – Krogius, Nikolai V – 1/2-1/2 – Bannik, Anatolij – G42 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 d6 5. Nc3 Be7 6. e4 O-O 7. Be2 e5 8. O-O Ne8 9. Ne1 Nd7 10. Nd3 Nb6
1964 Tel Aviv olm fin-B – Round 1 – Uhlmann, Wolfgang – 1-0 – Johannessen, Simon T – G3 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Be2 a6 8. O-O Ne8 9. a3 g6 10. b4 b6
1965 Hastings6566 – Round 3 – Uhlmann, Wolfgang – 1/2-1/2 – Vasiukov, Evgeni – G12 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Be2 O-O 7. Nf3 Nbd7 8. O-O Ne8 9. a3 g6 10. Bh6 Ng7
1965 Mar del Plata – Round 15 – Acosta Garcia, Rafael Isaac – 0-1 – Gheorghiu, Florin – G119 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Be2 Ne8 8. O-O g6 9. Bh6 Ng7 10. Qd2 Bg4
1966 Bucharest – Round 3 – Acosta Garcia, Rafael Isaac – 0-1 – Gheorghiu, Florin – G13 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Be2 O-O 7. Nf3 Nbd7 8. O-O Ne8 9. Qc2 g6 10. Bh6 Ng7
1966 Budapest Ch – Round 6 – Kurtesch Laszlo – 1-0 – Gasztonyi, Endre – G7 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Be2 O-O 7. Nf3 a6 8. h3 b5 9. cxb5 axb5 10. Bxb5 Qa5
1966 CSR Ch Int – Round 1 – Malich, Burkhard, Dr. – 1/2-1/2 – Jansa, Vlastimil – G1 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Be2 O-O 7. Nf3 Ne8 8. O-O g6 9. Bh6 Ng7 10. a3 Nd7
1966 Harrachov – Round 12 – Pachman, Ludek – 1/2-1/2 – Hort, Vlastimil – G20 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Be2 Ne8 8. O-O g6 9. Bh6 Ng7 10. Qd2 Nd7
1966 Havana olm – Round 1 – Malich, Burkhard, Dr. – 1/2-1/2 – Simon Cobo, Enrique – G11 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Be2 Ne8 8. a3 g6 9. Bh6 Ng7 10. h4 f6
1966 La Habana olm fin-A – Round 8 – Malich, Burkhard, Dr. – 1/2-1/2 – Polugaevsky, Lev – G140 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Be2 Ne8 8. a3 Nd7 9. O-O g6 10. Bh6 Ng7
1966 La Habana olm prel – Round 1 – Malich, Burkhard, Dr. – 1-0 – Jansa, Vlastimil – G9 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Be2 Nbd7 8. O-O Ne8 9. a3 g6 10. Bh6 Ng7
1966 Reggio Emilia 6667 09th – Round 3 – Bobotsov, Milko G – 1/2-1/2 – Ciocaltea, Victor – G12 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Be2 a6 8. O-O Ne8 9. a3 g6 10. b4 b6
1966 Reykjavik – Round 7 – Halfdanarson, Jon – 0-1 – Wade, Robert G – G34 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Be2 Nbd7 8. O-O Ne8 9. Ne1 Bg5 10. a3 g6
1966 WchTJ U26 fin-A – Round 11 – Whiteley, Andrew Jonathan – 1-0 – Krabbe, Tim – G63 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Be2 O-O 7. Nf3 Ne8 8. O-O g6 9. Ne1 Bg5 10. Bxg5 Qxg5
1966 WchTJ U26 fin-A – Round 5 – Brander, Ilmari – 1/2-1/2 – Jansa, Vlastimil – G24 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Be2 Nbd7 8. O-O Ne8 9. Ne1 Bg5 10. Nd3 Bxc1
1967 Capablanca Memorial – Round 15 – Letelier Martner, Rene – 1/2-1/2 – Jimenez Zerquera, Eleazar – G130 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Be2 Ne8 8. O-O Nd7 9. Ne1 Bg5 10. Nd3 Bxc1
1967 Capablanca Memorial – Round 16 – O'Kelly, Albéric de Galway – 1/2-1/2 – Letelier Martner, Rene – G139 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Be2 Nbd7 8. O-O Ne8 9. h3 g6 10. Bh6 Ng7
1967 Capablanca Memorial – Round 18 – Rossetto, Hector – 1-0 – Westerinen, Heikki M.J. – G157 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Be2 O-O 7. Nf3 Nbd7 8. O-O Ne8 9. Qc2 g6 10. Ne1 Bg5
1967 Halle zt – Round 1 – Kristinsson, Jon – 1/2-1/2 – Ciocaltea, Victor – G1 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Be2 O-O 7. Nf3 a6 8. O-O Nbd7 9. Ne1 Ne8 10. Nd3 Bg5
1967 Hoogovens – Round 6 – Gligorić, Svetozar – 1-0 – Ghitescu, Theodor – G37 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Be2 Ne8 8. O-O g6 9. Bh6 Ng7 10. Qd2 Nd7
1967 Kbenhavnsmesterskabet – Round 6 – Brinck-Claussen, Bjorn – 1/2-1/2 – Sloth, Jorn – G11 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Be2 Nbd7 8. O-O Ne8 9. a3 g6 10. Ne1 Bg5
1967 Vrnjacka Banja zt – Round 8 – Bilyap, Siracettin – 0-1 – Matanovic, Aleksandar – G50 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Be2 Nbd7 8. O-O Ne8 9. a3 g6 10. b4 Ng7
1967 West Vancouver CC – Round 10 – Berry, Jonathan – 1-0 – Elmeeva, Valeria – G8 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. d5 c5 5. e4 Nbd7 6. f4 Qe7 7. Bd3 b6 8. Nf3 g6 9. Be3 Bh6 10. Qd2 O-O
1968 Chacabuco – Round 3 – Garello, Titouan – 0-1 – Rubinetti, Jorge – G8 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Be2 Nbd7 8. O-O a6 9. a4 Ne8 10. Rb1 g6
1968 CSR Ch – Round 16 – Kozma, Julius – 1-0 – Plachetka, Jan – G145 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Be2 Ne8 8. O-O Nd7 9. a3 g6 10. Bh6 Ng7
1968 Lugano ol (Men) fin-A – Round 1 – Lombardy, William J – 1/2-1/2 – Jansa, Vlastimil – G14 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Be2 O-O 7. Nf3 Nbd7 8. O-O Ne8 9. g3 g6 10. Ne1 Ng7
1968 Lugano olm - Round 1 - Sanguinetti, Ricardo - 1/2-1/2 - Jansa, Vlastimil - G355 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Be2 Nbd7 8. O-O Ne8 9. Ne1 g6 10. Nd3 Bg5
1969 Luhacovice – Round 13 – Kozma, Julius – 1-0 – Jansa, Vlastimil – G92 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Be2 Nbd7 8. O-O Ne8 9. a3 g6 10. Bh6 Ng7
1969 Mar del Plata zt – Round 1 – Panno, Oscar – 1-0 – Mecking, Henrique – G14 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Be2 O-O 7. Nf3 Ne8 8. h4 Na6 9. Be3 Nac7 10. a4 Na6
1969 Raach zt – Round 1 – Uhlmann, Wolfgang – 1-0 – Aulin-Jansson, Joran – G7 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Be2 O-O 7. Nf3 Ne8 8. O-O g6 9. Bh6 Ng7 10. Qd2 Nd7
1969 Rhyl ch-BCF – Round 3 – Littlewood, John E – 0-1 – Green Barry N – G27 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Be2 Ne8 8. h4 h6 9. g3 f5 10. exf5 Bxf5
1969 USSR – Round 1 – Savon, Vladimir – 1-0 – Bannik, Anatolij – G13 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Be2 Nbd7 8. O-O Ne8 9. a3 g6 10. Bh6 Ng7
1969 WchT U26 fin-A 16th – Round 3.1 – Bjerre, Troels – 1/2-1/2 – Plachetka, Jan – G17 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Be2 Nbd7 8. O-O Ne8 9. a3 g6 10. Bh6 Ng7
1970 IBM – Round 14 – Langeweg, Kick – 1/2-1/2 – Hort, Vlastimil – G46 1. d4 Nf6 2. c4 c5 3. dxc5 e6 4. Nf3 Bxc5 5. e3 d5 6. a3 a5 7. Nc3 Nc6 8. Be2 Ne4 9. cxd5 Nxc3 10. bxc3 exd5
1970 IBM – Round 2 – Piket, Jeroen – 1-0 – Marovic, Drazen – G14 1. c4 g6 2. d4 Bg7 3. Nc3 c5 4. d5 d6 5. e4 Nf6 6. Bd3 O-O 7. Bg5 h6 8. Bh4 e5 9. dxe6 Bxe6 10. f4 Re8
1970 IBM – Round 9 – Hamann, Slawomir – 0-1 – Piket, Jeroen – G50 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Bd3 O-O 7. Nf3 Ne8 8. h3 Nd7 9. g4 Kh8 10. Qc2 Ndf6
1970 Vinkovci – Round 10 – Szabo, Laszlo – 1/2-1/2 – Minic, Dragoljub – G29 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nge2 O-O 7. Ng3 e6 8. Be2 exd5 9. cxd5 b6 10. h4 h5
1970 Vinkovci – Round 2 – Bertok, Mario – 1-0 – Quinteros, Miguel Angel – G31 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. h3 h5 7. Nf3 h4 8. Bg5 Be7 9. Bxh4 Nxd5 10. Qxd5 Bxh4
1970 Vinkovci – Round 6 – Bertok, Mario – 1/2-1/2 – Petrosian, Tigran L. – G30 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nge2 Nbd7 7. Ng3 a6 8. Bd3 h5 9. Nf5 Bf8 10. h4 g6
1971 Hoogovens – Round ? – Brinck-Claussen, Bjorn – 1/2-1/2 – Jansa, Vlastimil – G60 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Be2 Nbd7 8. a3 Ne8 9. O-O g6 10. Bh6 Ng7
1971 Hoogovens – Round 1 – Brinck-Claussen, Bjorn – 1/2-1/2 – Jansa, Vlastimil – G61 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Be2 Nbd7 8. a3 Ne8 9. O-O g6 10. Bh6 Ng7
1971 Moscow – Round ? – Bukhtin, Vladimir S – 1-0 – Ivlev, Valentin – G62 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Be2 O-O 7. Nf3 Na6 8. O-O Nc7 9. a3 b6 10. b4 cxb4
1972 Skopje ol (Men) fin-A – Round 10 – Donner, Jan Hein – 1/2-1/2 – Garcia Rodriguez, Raimundo – G135 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Nbd7 6. Be2 Be7 7. Be3 O-O 8. h4 a6 9. a4 Ne8 10. Nf3 Nc7
1972 Skopje ol (Men) fin-A – Round 7 – Gligoric, Svetozar – 1-0 – Garcia Rodriguez, Raimundo – G140 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. Be2 Nbd7 7. Nf3 Bg7 8. O-O O-O 9. Bg5 h6 10. Bh4 a6
1972 Skopje ol (Men) fin-A – Round 9 – Benko, Pal – 0-1 – Ghitescu, Theodor – G137 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. g3 g6 6. Bg2 Bg7 7. Nf3 O-O 8. O-O a6 9. Ne1 Ne8 10. Nd3 f5
1975 URS Team Ch – Round ? – Shashin, Alexsander A – 1-0 – Korotkjevich, Stanislav – G103 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 O-O 7. Bd3 Ne8 8. h3 g6 9. Bh6 Ng7 10. g4 Nd7
1975 URS Team Ch – Round 3 – Anetbaev, Berik – 0-1 – Mordvintsev, V. – G104 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 Bg7 6. Be2 Na6 7. f4 Nc7 8. Nf3 Bg4 9. O-O O-O 10. h3 Bd7

A56a —

1.d4 Nf6 2.c4 c5

Eval: [+0.51]

Les coups candidats

3.d5 — 84.0% (120365 parties) →

Ambassadeurs : Farago, Ivan (171x), Gheorghiu, Florin (169x), Bellon Lopez, Juan Manuel (144x), Moody, David W (127x), Knaak, Rainer (116x), Velimirovic, Dragoljub (115x), Degterev, Pavel (112x), Fedorowicz, John (111x)

3.Nf3 — 10.1% (14541 parties) →

Ambassadeurs : Raetsky, Alexander (37x), Gheorghiu, Florin (35x), Heinig, Wolfram, Dr. (27x), Debarnot, Roberto (26x), Lesiege, Alexandre (24x), Likavsky, Tomas (22x), Burnett, Jim (21x), Moody, David W (18x)

3.e3 — 4.7% (6732 parties) →

Ambassadeurs : Inkiov, Ventzislav (39x), Somogyi, Istvan (24x), Bisguier, Arthur B (20x), Justo, Damian (19x), Timar, Zsolt (18x), Sipila, Markku (18x), Vasiljev, Jurij (13x), Certek, Pavel (13x)

3.dxc5 — 0.9% (1270 parties) →

Ambassadeurs : Rossi, Giampiero (35x), Lapiccirella, Daniele (12x), Bass Stanley (11x), Grybas, Gintaras (8x), Minev, Nikolay N (6x), Bogdanovich, Grigory (6x), Brujic, Bozidar (6x), Schloetzer, Waldemar (6x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	3.d5	3.Nf3	3.e3	3.dxc5
<1800	4494	77%	12%	9%	2%
1800-2200	48890	82%	11%	6%	1%
2200-2600	58327	88%	8%	3%	0%
2600+	1085	90%	8%	1%	—

Évolution par décennie (% des parties)

Décennie	N parties	3.d5	3.Nf3	3.e3	3.dxc5
1890s	4	75%	—	25%	—
1910s	3	67%	—	33%	—
1920s	14	86%	14%	—	—
1930s	50	76%	24%	—	—
1940s	76	78%	12%	5%	5%
1950s	964	82%	12%	4%	2%
1960s	2543	87%	8%	3%	1%
1970s	5576	80%	16%	4%	1%
1980s	10801	85%	10%	4%	1%
1990s	29113	84%	10%	5%	1%
2000s	41004	83%	10%	5%	1%
2010s	44333	84%	10%	5%	1%
2020s	8785	88%	8%	3%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
3.d5	84%	88%	▲ +4.4%
3.Nf3	10%	8%	▼ -2.4%
3.e3	5%	3%	▼ -1.7%
3.dxc5	1%	1%	-0.2%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 10 parties
Botvinnik, Mikhail — 10 parties
Smyslov, Vladimir — 10 parties
Tal, Mikhail — 10 parties
Kasparov, Garry — 10 parties
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Kramnik, Vladimir — 10 parties
Karpov, Aleksandr — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Ju, Wenjun — 10 parties
Ding, Liren — 10 parties
Alekhine, Alexander — 2 parties
Gukesh D — 2 parties
Lasker, Emanuel — 1 partie
Steinitz, Wilhelm — 1 partie

Parties historiques

3.d5 — 84.0% (120365 parties)

1895 — Steinitz, Wilhelm vs Tinsley, Samuel — 1-0 — Hastings ENG
1898 — Burn, Amos vs Blackburne, Joseph — 1/2-1/2 — Vienna AUT
1898 — Burn, Amos vs Chigorin, Mikhail — 1-0 — Vienna AUT
1910 — Gibson, William vs Blackburne, Joseph — 0-1 — Oxford ENG
1912 — Lowtzky, Mojsesz vs Důras, Oldřich — 1-0 — Bad Pistyan CZE

3.Nf3 — 10.1% (14541 parties)

1924 — Michell, Reginald vs Blake, Joseph — 1/2-1/2 — Southport ENG
1928 — Barlow, Henry Stephens vs Thomas, George Alan — 0-1 — Tenby
1932 — Rohacek, Erik vs Bogoljubow, Efim — 0-1 — Bad Sliac
1932 — Rohacek, Ivan vs Bogoljubow, Efim — 0-1 — Bad Sliac
1933 — Denker, Arnold S vs Levenstein, Mark — 1-0 — New York, NY USA

3.e3 — 4.7% (6732 parties)

1895 — Rutherford, William vs Lasker, Emanuel — 1-0 — Great Britain
1911 — Marshall Viele, Fabrizio Aaron vs Schlechter, Carl — 1/2-1/2 — San Sebastian ESP
1942 — Gee, JB. vs Applegate, Sanford W — 1-0 — Sacramento, CA
1946 — Bondarevsky, Igor vs Zíta, František — 0-1 — Moscow RUS
1947 — Gadalinski, Jan vs Sajtar, Jaroslav — 0-1 — Warsaw POL

3.dxc5 — 0.9% (1270 parties)

1943 — Tikovsky, Alexandr vs Hromadka, Karel — 0-1 — Prague CZE
1946 — Tikovsky, J. vs Zita, Frantisek — 0-1 — Ostrawa ch CZE
1947 — Van Scheltinga, Theo vs Pachman, Ludek — 0-1 — The Hague NED
1948 — Subaric, Mladen vs Udovcic, Mijo — 1-0 — Belgrade SRB
1950 — Frankenstein, Peter vs Ehrat — 0-1 — Correspondence

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