B31 — Sicilian Defense

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 ○ 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 un fou actif en b5 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, le fou c1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Bxc6 (Clouer d7, Fou actif (mobilité 5),) ; Nbd2 (Développer Nb1) ; c3 (Préparer d4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Atouts. Les Noirs s'appuient sur les cases fortes b4 et d4 et la paire de fous.

Côté adverse. Le fou enfermé en c1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier g8, 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) ; ...dxc6 (Renforcer le centre) ; ...Nf6 (Développer Ng8) ; ...bxc6 (Renforcer le centre).

Avantages

Faiblesses adverses

Diagonale active

Plans

Base Masters : Blancs 34.3%, Nulles 45.4%, Noirs 20.3%.

Coups candidats

auto

Analyse coup par coup — 6 demi-coups commentés

1.e4 Avancée centrale — contrôle d5, f5. Prépare d4, f4, Bc4, Bd3.
1…c5 Avancée centrale — contrôle b4, d4. Prépare Nc6, d5.
2.Nf3 Contrôle c4, d4, d5, e5.
2…Nc6 Contrôle d4, e5.
3.Bb5 Contrôle c4, d4, d5, e5.
3…g6 Prépare le fianchetto du Fou (Bg7).

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● b4 (2v0), ● d4 (2v1)
Cases faibles	—	—
Centre	● d5 (1v0)	● d4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bb5	● Bb5 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	4 (b1, c1, a1, h1)	5 (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	semi-ouvert
Ruptures	● c2-c3, ● d2-d3, ● e4-e5	● …c5-c4, ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5

Partie
19. European Teams 2013 – Round 3.5 – Bartel, Mateusz – 1-0 – Mamedov, Rauf – G115 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. Qe2 Bg7 6. O-O O-O 7. d3 Qb6 8. Ba4 d6 9. h3 Qc7 10. Bb3 e5
1953 Bucharest – Round 13 – Szabo, Ladislav – 1-0 – Boleslavsky, Isaac – G125 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. Qe2 Bg7 6. O-O O-O 7. d4 cxd4 8. Nxd4 Qc7 9. Nd2 d5 10. Bxc6 bxc6
1955 Argentina – Round 7 – Maderna, Carlos – 1/2-1/2 – Marini, Luis – G51 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Qb6 5. a4 Bg7 6. d4 cxd4 7. O-O d3 8. Be3 Qc7 9. Na3 Nf6 10. Bxd3 O-O
1955 Gothenburg Interzonal – Round 9 – Bronstein, David I – 1-0 – Geller, Efim P – G84 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. d4 Qb6 6. a4 cxd4 7. O-O a6 8. Bxc6 Qxc6 9. cxd4 Qxe4 10. Nc3 Qf5
1955 Hoogovens – Round 8 – Bouwmeester, Hans – 1-0 – Kovacs H., Zoltan – G36 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. Qe2 Qc7 6. O-O Bg7 7. d4 cxd4 8. cxd4 O-O 9. Nc3 d6 10. h3 a6
1956 CSR Ch – Round 3 – Zíta, František – 1/2-1/2 – Jezek, Jaroslav – G24 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Qb6 5. Na3 Bg7 6. O-O Nf6 7. Re1 O-O 8. Bf1 d5 9. d3 Rd8 10. Qe2 a6
1956 Marianske Lazne/Praha – Round 4 – Filip, Miroslav – 1/2-1/2 – Flohr, Salo – G24 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. d4 Qb6 6. a4 cxd4 7. O-O d3 8. h3 d6 9. Be3 Qc7 10. Qc1 Nf6
1956 URS Ch sf – Round ? – Nezhmetdinov, Rashid – 1/2-1/2 – Boleslavsky, Isaac – G69 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 d5 5. Qa4 dxe4 6. Ne5 Bd7 7. Nxd7 Qxd7 8. Qxe4 Nf6 9. Qf3 Rc8 10. O-O Bg7
1956 URS Ch, semi final – Round 1 – Yukhtman, Yakov – 1/2-1/2 – Zurakhov, Vladlen Y – G34 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. d4 cxd4 6. cxd4 Nf6 7. Nc3 a6 8. Bxc6 dxc6 9. O-O O-O 10. h3 b6
1956 URS Ch, semi final – Round 10 – Yukhtman, Yakov – 1-0 – Gurgenidze, Bukhuti – G84 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. d4 Qa5 6. Qe2 cxd4 7. O-O dxc3 8. Nxc3 Nh6 9. Nd5 a6 10. Bd2 Qd8
1957 Dublin zt – Round 3 – Llado Lumbera, Jaime – 1-0 – O'Sullivan, Donal – G20 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. Qe2 Bg7 6. O-O O-O 7. d4 d6 8. e5 Nd7 9. e6 fxe6 10. Ng5 Nb6
1957 Moskou ch-URS – Round 13 – Bronstein, David I – 1/2-1/2 – Boleslavsky, Isaac – G135 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. e5 Nd5 6. d4 cxd4 7. O-O Bg7 8. cxd4 O-O 9. Nc3 Nxc3 10. bxc3 d6
1957 Moskou ch-URS – Round 7 – Gurgenidze, Bukhuti – 1/2-1/2 – Boleslavsky, Isaac – G71 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. Qe2 Bg7 6. O-O O-O 7. d3 Qc7 8. Bg5 d6 9. h3 Bd7 10. Nbd2 a6
1957 WchT U26 04th – Round 4.4 – Haag, Ervin – 1-0 – Sammalisto, L. – G52 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. d4 Qa5 6. a4 cxd4 7. O-O d3 8. Na3 d6 9. Nc4 Qc7 10. Ne3 e6
1959 Tbilisi ch-URS – Round 19 – Yhtman, Y. – 1/2-1/2 – Keres, Paul – G164 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. Qe2 a6 6. Bxc6 dxc6 7. h3 Bg7 8. d4 Nd7 9. O-O O-O 10. Bg5 Re8
1959 Tbilisi ch-URS – Round 5 – Nezhmetdinov, Rashid – 1/2-1/2 – Polugaevsky, Lev – G38 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. e5 Nd5 6. O-O Bg7 7. d4 cxd4 8. cxd4 O-O 9. Nc3 Nc7 10. Ba4 d6
1959 URS Team Ch – Round 1 – Nezhmetdinov, Rashid – 1/2-1/2 – Boleslavsky, Isaac – G65 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. e5 Nd5 6. O-O Bg7 7. d4 cxd4 8. cxd4 O-O 9. Nc3 Nc7 10. Bc4 d6
1960 Leipzig olm prel – Round 2 – Van Schoor, Karl – 1/2-1/2 – Jimenez Zerquera, Eleazar – G62 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. d4 Qb6 6. a4 cxd4 7. O-O Nf6 8. e5 Nd5 9. cxd4 O-O 10. Nc3 Nxc3
1962 Poznan ch POL – Round 1 – Pietrusiak, Bogdan – 0-1 – Cylwik, Zbigniew – G4 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. Qe2 Bg7 6. O-O O-O 7. d4 cxd4 8. cxd4 a6 9. Ba4 b5 10. Bb3 Ne8
1962 Poznan ch POL – Round 14 – Pietrusiak, Bogdan – 0-1 – Gromek, Jozef – G94 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. Qe2 Bg7 6. O-O O-O 7. d4 cxd4 8. cxd4 d5 9. e5 Ne4 10. Nc3 Bf5
1962 Torremolinos zt – Round 1 – Llado Lumbera, Jaime – 1-0 – Scafarelli, Francesco – G32 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. d4 cxd4 6. cxd4 Qb6 7. Bxc6 dxc6 8. h3 Be6 9. O-O Rd8 10. Nc3 Nf6
1963 URS Team Ch Moscow RUS – Round 1 – Gurgenidze, Aleksandra – 1/2-1/2 – Boleslavsky, Isaac – G18 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 d5 5. Ne5 Bd7 6. Nxd7 Qxd7 7. d3 a6 8. Ba4 b5 9. Bc2 Nf6 10. Qe2 Bg7
1964 Moscow Ch sf – Round ? – Chistiakov, Alexander – 1-0 – Lokhov, Yuriy N – G4 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Qe2 Bg7 5. O-O e6 6. Bxc6 bxc6 7. e5 f6 8. Nc3 fxe5 9. Nxe5 Nf6 10. d3 Qc7
1964 Tel Aviv olm prel – Round 3 – Abalde Perez, Fernando Jose – 1-0 – Incio Minaya, Jose Manuel – G102 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. d3 Bg7 6. O-O O-O 7. Re1 a6 8. Bxc6 dxc6 9. h3 Qc7 10. d4 Rd8
1965 Tallinn ch-URS – Round 1 – Stein, Leon Rico – 1-0 – Liavdansky, Vladimir – G97 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. d4 Qb6 6. a4 cxd4 7. cxd4 Nxd4 8. Nc3 Nxb5 9. axb5 Bxc3+ 10. bxc3 Nf6
1965 Yerevan it – Round 8 – Stein, Leonid – 1-0 – Matanovic, Aleksandar – G5 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Qb6 5. a4 Bg7 6. O-O a6 7. Bxc6 Qxc6 8. d4 d6 9. Re1 Bg4 10. d5 Qc7
1966 Corr ch HUN – Round ? – Karafi th, J – 1/2-1/2 – Schrancz, Istvan – G4 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. e5 Nd5 6. O-O Bg7 7. d4 cxd4 8. cxd4 O-O 9. Nc3 Nxc3 10. bxc3 d6
1966 CSR Ch Int 1st – Round 14 – Pietzsch, Wolfgang – 0-1 – Abramovich Furman, Semyon – G81 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. d4 Qb6 6. a4 cxd4 7. O-O d3 8. Na3 Nf6 9. Nc4 Qc7 10. Qxd3 O-O
1966 Kislovodsk – Round 2 – Lutikov, Anatoly S – 1-0 – Martinez Stefanov, Adrian – G12 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Qb6 5. Na3 Bg7 6. O-O e5 7. d4 cxd4 8. Nc4 Qc7 9. cxd4 Nh6 10. Ncxe5 O-O
1968 IBM – Round 5 – Bronstein, David I – 1/2-1/2 – Ree, Hans – G21 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 a6 5. Bxc6 dxc6 6. d3 Nf6 7. O-O Bg7 8. Qe2 O-O 9. Rd1 Qc7 10. e5 Ne8
1968 Kislovodsk – Round 1 – Bronstein, David I – 1-0 – Ryts, J. – G15 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. Qe2 Bg7 6. O-O O-O 7. e5 Ne8 8. d4 cxd4 9. cxd4 Nc7 10. Ba4 d5
1968 Lugano ol (Men) fin-B – Round 1 – Kagan, Shimon – 1-0 – Freeman, Michael J. – G11 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. e5 Nd5 6. O-O Bg7 7. d4 cxd4 8. cxd4 O-O 9. Nc3 Nc7 10. Bc4 d6
1968 URS Team Ch – Round 1 – Bronstein, David I – 1/2-1/2 – Stein, Leonid – G114 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. e5 Nd5 6. d4 cxd4 7. Qb3 Nc7 8. Bc4 Ne6 9. cxd4 Na5 10. Qc3 Nxc4
1969 Clare Benedict Cup 16th – Round 2 – Blau, Max – 1-0 – Visier Segovia, Fernando – G8 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. d4 Qb6 6. a4 cxd4 7. O-O a6 8. Bxc6 bxc6 9. a5 Qc7 10. cxd4 Nf6
1969 Nordic Ch Lidkoping SWE – Round 8 – Lahti Aki – 0-1 – Drimer, Dolfi – G15 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Qe2 Bg7 5. c3 Nf6 6. O-O O-O 7. d4 cxd4 8. cxd4 d5 9. e5 Ne8 10. b3 Nc7
1969 Rhyl ch-BCF – Round 1 – Cafferty, Bernard – 1/2-1/2 – Hempson, Peter W – G9 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. d4 Qb6 6. a4 cxd4 7. O-O dxc3 8. Nxc3 e6 9. Re1 Nge7 10. Be3 Qc7
1969 USSR – Round 1 – Chistiakov, Alexander – 1/2-1/2 – Yudovich, Mikhail M – G28 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Qe2 Bg7 5. O-O d6 6. e5 Nh6 7. Bxc6+ bxc6 8. exd6 Qxd6 9. d3 O-O 10. Nbd2 Bg4
1970 Palma de Mallorca Interzonal – Round ? – Fischer, Robert James Jamesames – 1/2-1/2 – Matulovic, Milan – G186 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. Qe2 Bg7 6. e5 Nd5 7. Qc4 Nc7 8. Bxc6 dxc6 9. Qxc5 Qd3 10. Qe3 Bf5
1970 Palma de Mallorca Interzonal – Round 3 – Rubinetti, Jorge – 1/2-1/2 – Matulovic, Milan – G187 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. b4 Nxb4 7. c3 Nc6 8. d4 exd4 9. e5 Nge7 10. cxd4 a6
1970 Palma de Mallorca Interzonal – Round 7 – Fischer, Robert James Jamesames – 1/2-1/2 – Matulovic, Milan – G188 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. Qe2 Bg7 6. e5 Nd5 7. Qc4 Nc7 8. Bxc6 dxc6 9. Qxc5 Qd3 10. Qe3 Bf5
1970 Vinkovci – Round 4 – Bronstein, David Ionovich – 1-0 – Tomic, Dragoslav – G75 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Qb6 5. Ba4 Bg7 6. O-O e5 7. Na3 Nge7 8. b4 cxb4 9. Nc4 Qc5 10. d3 bxc3
1971 Hoogovens – Round 1 – Ciocaltea, Victor – 1/2-1/2 – Adorjan, Andras – G142 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. h3 a6 8. Bf1 e5 9. d3 d5 10. Nbd2 b6
1971 Hoogovens – Round 1 – Timman, Jan H – 1/2-1/2 – Jansa, Vlastimil – G143 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e6 6. Bxc6 bxc6 7. e5 f6 8. d3 fxe5 9. Nxe5 Nf6 10. Nc4 O-O
1972 Skopje ol (Men) fin-A – Round 13 – Padevsky, Nikola – 1/2-1/2 – Kane, George Francis – G276 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d3 d6 8. Bxc6 bxc6 9. h3 Ne8 10. Nbd2 Nc7
1973 Leningrad Interzonal – Round 12 – Torre, Eugenio – 1-0 – Estevez Garcia, Gonzalo – G99 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. Bxc6 dxc6 7. d3 Ne7 8. Nbd2 O-O 9. a4 b6 10. Nc4 Bg4
1975 Portoroz/Ljubljana – Round 10 – Hort, Vlastimil – 1/2-1/2 – Musil, Vitezslav – G65 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Nf6 5. Nc3 Bg7 6. h3 O-O 7. Bxc6 dxc6 8. d3 b6 9. Bf4 Re8 10. Qd2 Nd7
1975 Portoroz/Ljubljana – Round 6 – Barle, Janez – 0-1 – Hort, Vlastimil – G66 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 a6 6. Bxc6 dxc6 7. d3 Nf6 8. Qe2 h6 9. Bf4 Nd7 10. d4 cxd4
1975 Portoroz/Ljubljana – Round 6 – Parma, Bruno – 1/2-1/2 – Velimirovic, Dragoljub – G64 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 Nf6 6. c3 O-O 7. h3 a6 8. Bxc6 bxc6 9. d4 cxd4 10. cxd4 d5
1975 URS Team Ch – Round 2 – Klovsky, Rafail – 1/2-1/2 – Shakarov, Askhat – G322 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 Nf6 6. e5 Nd5 7. Nc3 Nc7 8. Bxc6 dxc6 9. Ne4 Ne6 10. d3 O-O
1975 URS Team Ch – Round 2 – Samaganova, Bakita – 1-0 – Zitserman, Tatyana – G324 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 Nf6 6. h3 O-O 7. e5 Nd5 8. Bxc6 bxc6 9. b3 a5 10. a4 Rb8
1975 URS Team Ch – Round 3 – Dvoretzky, Mark – 1/2-1/2 – Korsunsky, Rostislav R – G321 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. h3 d6 8. d4 cxd4 9. cxd4 d5 10. e5 Ne4
1975 URS Team Ch – Round 3 – Goldman L – 0-1 – Kristol, Luba – G323 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 Nf6 6. Bxc6 dxc6 7. d3 O-O 8. Nbd2 Qc7 9. e5 Nd5 10. h3 Rd8
43. Olympiad 2018 – Round 2.18 – Al-Ali, Hussein Ali Hussein – 0-1 – Le, Quang Liem – G92 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. e5 Nd5 6. O-O Bg7 7. d4 cxd4 8. cxd4 O-O 9. Nc3 Nxc3 10. bxc3 d6
7. Sinquefield Cup 2019 – Round 9.5 – Aronian, Levon – 1/2-1/2 – Carlsen, Magnus – G53 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. Qe2 Bg7 6. O-O O-O 7. d4 cxd4 8. cxd4 d6 9. h3 Nd7 10. Rd1 a6
FIDE World Cup 2019 – Round 4.2 – Aronian, Levon – 1/2-1/2 – Le, Quang Liem – G372 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. Qe2 Bg7 6. O-O O-O 7. d4 cxd4 8. cxd4 d5 9. e5 Ne4 10. Nc3 Bf5
FIDE World Cup 2025 – Round R1 Classical 2 – Blohberger Felix – 1-0 – Lu Shanglei – G137 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. d4 g6 5. Nc3 Bg7 6. Be2 O-O 7. O-O dxc4 8. Bxc4 Bg4 9. h3 Bxf3 10. Qxf3 Nbd7
FIDE World Rapid 2014 – Round 8.35 – Mamedov, Rauf – 1-0 – Al-Mudahka, Mohd – G156 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. d4 cxd4 6. cxd4 Nf6 7. Nc3 d5 8. Ne5 Bd7 9. Nxd7 Qxd7 10. e5 Ng8
Olympiad 2002 – Round 5 – Smirin, Ilia – 1-0 – Obodchuk, Andrei – G155 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. Qe2 Bg7 6. O-O O-O 7. Rd1 d5 8. e5 Ne8 9. Bxc6 bxc6 10. h3 Nc7
PCA Qualifiers 1993 – Round 1 – Smirin, Ilia – 1/2-1/2 – Vyzmanavin, Alexey – G12 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. e5 Nd5 6. O-O Bg7 7. d4 cxd4 8. cxd4 O-O 9. Nc3 Nc7 10. Bg5 h6
World Blitz 2019 – Round 11.59 – Samsonkin, Artiom – 0-1 – Alekseenko, Kirill – G766 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. d4 Qb6 6. Ba4 cxd4 7. O-O e5 8. cxd4 exd4 9. Na3 Nge7 10. Bf4 O-O
World Blitz 2019 – Round 13.40 – Smirin, Ilia – 1/2-1/2 – Inarkiev, Ernesto – G885 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. Qe2 Bg7 6. O-O O-O 7. d4 d5 8. e5 Ne4 9. Rd1 cxd4 10. cxd4 f6
World Blitz 2019 – Round 9.53 – Samsonkin, Artiom – 0-1 – Paravyan, David – G634 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. Qe2 Bg7 6. O-O O-O 7. Rd1 a6 8. Bxc6 bxc6 9. h3 a5 10. e5 Ba6
World Blitz 2022 – Round 20.30 – Quparadze, Giga – 1-0 – Gareyev, Timur – G1062 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 a6 5. Bxc6 dxc6 6. d4 Bg4 7. Be3 Nf6 8. Nbd2 cxd4 9. cxd4 Bg7 10. h3 Bxf3
World Rapid 2021 – Round 8.76 – Smirin, Ilia – 1/2-1/2 – Saraci, Nderim – G500 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Bg7 5. d4 cxd4 6. cxd4 Nf6 7. Nc3 d5 8. Ne5 Bd7 9. Nxd7 Qxd7 10. e5 Ng8

B31a — Rossolimo

1.e4 c5 2.Nf3 Nc6 3.Bb5 g6

Eval: [+0.26]

Les coups candidats

4.O-O — 56.2% (26053 parties) →

Ambassadeurs : Wosch, Arkadiusz (69x), Yandemirov, Valeri (41x), Jansa, Vlastimil (40x), Timman, Jan H (39x), Vasiukov, Evgeni (38x), ? (37x), Hasangatin, Ramil (37x), Ilyasov, Anatoly Fedorovich (37x)

4.Bxc6 — 36.6% (16990 parties) →

Ambassadeurs : Nevednichy, Vladislav (53x), Wosch, Arkadiusz (47x), Mamedov, Rauf (46x), Velicka, Petr (43x), Sutovsky, Emil (40x), Lukas, Norbert (32x), Kovalevskaya, Ekaterina (32x), Komliakov, Viktor (31x)

4.c3 — 5.0% (2299 parties)

Ambassadeurs : Smirin, Ilia (32x), Georgiev, Krum (21x), Makropoulou, Marina (18x), Bronstein, David I (15x), Karlovich, Anastazia (14x), Fierro Baquero, Martha L. (13x), Mamedov, Rauf (11x), Martorelli, Antonio (10x)

4.Nc3 — 1.3% (603 parties) →

Ambassadeurs : Vorontsov, Gennady Nikolaevich (5x), Pommrich, Rainer (5x), Uifelean, Andrei (5x), Mihelic, Vesna (5x), Hjorth, Jesper (4x), Lenz, Boris (4x), Palladino, Mario (4x), Babychuk, Vladimir (4x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4.O-O	4.Bxc6	4.c3	4.Nc3
<1800	941	52%	33%	7%	3%
1800-2200	14789	55%	36%	6%	2%
2200-2600	24590	55%	40%	4%	1%
2600+	1029	42%	55%	3%	—

Évolution par décennie (% des parties)

Décennie	N parties	4.O-O	4.Bxc6	4.c3	4.Nc3
1850s	1	—	100%	—	—
1880s	1	—	100%	—	—
1910s	1	—	100%	—	—
1930s	5	40%	—	40%	20%
1940s	12	100%	—	—	—
1950s	101	64%	2%	33%	1%
1960s	293	85%	—	14%	—
1970s	1041	93%	1%	6%	0%
1980s	1233	89%	3%	6%	0%
1990s	6473	70%	23%	6%	1%
2000s	12855	57%	35%	5%	1%
2010s	16445	45%	47%	4%	2%
2020s	7929	55%	39%	4%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4.O-O	45%	55%	▲ +10.0%
4.Bxc6	47%	39%	▼ -7.9%
4.c3	4%	4%	-0.3%
4.Nc3	2%	1%	▼ -1.1%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 10 parties
Kramnik, Vladimir — 10 parties
Hou, Yifan — 10 parties
Carlsen, Magnus — 10 parties
Gukesh D — 10 parties
Tal, Mikhail — 7 parties
Smyslov, Vladimir — 5 parties
Ju, Wenjun — 5 parties
Karpov, Aleksandr — 4 parties
Botvinnik, Mikhail — 2 parties
Alekhine, Alexander — 1 partie
Euwe, Max — 1 partie
Fischer, Robert James — 1 partie

Parties historiques

4.O-O — 56.2% (26053 parties)

1934 — Henneberger, Walter vs Alekhine, Alexander — 0-1 — Zurich SUI
1936 — Schubert, Maksym vs May, Desider — 0-1 — Podebrady CZE
1946 — Stoppel, Franz vs Abrahams Gordon, Francisco Tomas — 1/2-1/2 — Pittsburgh op
1946 — Henneberger, Walter vs Henneberger, Walter — 1/2-1/2 — ?
1946 — Tartakower, Savielly vs Boleslavsky, Isaac — 0-1 — Groningen NED

4.Bxc6 — 36.6% (16990 parties)

1857 — Cochrane, John Miles vs Somacarana — 0-1 — Calcutta IND
1887 — Alapin, Simon vs Gottschall, Hermann — 1-0 — Frankfurt GER
1910 — Thiel, Thomas vs Freise, Helmut — 1-0 — BL2-W
1956 — Namyil, Naidan vs Liebert, Heinz — 0-1 — Ulaanbaatar MGL
1959 — Handel, Horst vs Baumbach, Friedrich, Dr. — 1/2-1/2 — GDR-ch Leipzig GER

4.c3 — 5.0% (2299 parties)

1930 — Tartakower, Savielly vs Gromer, Aristide — 1/2-1/2 — Paris FRA
1934 — Nimzowitsch, Aron vs Stoltz, Gosta — 1-0 — Stockholm SWE
1953 — Larsen, Bent vs Christensen, Johannes — 1-0 — Horsens
1953 — Szabo, Ladislav vs Boleslavsky, Isaac — 1-0 — Bucharest ROU
1955 — Bronstein, David I vs Geller, Efim P. — 1-0 — Goteborg SWE

4.Nc3 — 1.3% (603 parties)

1939 — Thomas, George Alan vs da Silva Rocha, Adhemar — 1-0 — Buenos Aires ARG
1950 — Limbourg, Remi vs Boey, Josef — 1/2-1/2 — Antwerp BEL
1979 — Geisdorf, Herbert vs Zunker, Reinhard, Dr. — 1-0 — Moerlenbach
1979 — Tello Dengra, Rafael vs Bousios, Hristos — 0-1 — Skien
1981 — Chistiakov, Alexander vs Zhukhovitsky, Samuel — 1/2-1/2 — Erevan ARM

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