B31 — Sicilian Defense
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O ● Trait aux Noirs
Ouverture — Centre semi-ouvert
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
abcdefgh
Avantages : Bb5 actif, paire de fous.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : Bc1 enfermé, 3 pièces non développées (B1, C1, A1).
Plans :
● Nbd2 — Développer Nb1
● d3 — Libérer Bc1
● h3 — Empêcher ...Bg4
● c3 — Préparer d4
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : Bc1 enfermé, 3 pièces non développées (B1, C1, A1).
Plans :
● Nbd2 — Développer Nb1
● d3 — Libérer Bc1
● h3 — Empêcher ...Bg4
● c3 — Préparer d4
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Avantages : case forte b4, case forte d4, paire de fous.
Faiblesses adverses : Bc1 enfermé.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 5 pièces non développées (G8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Bg7 — Fou actif (mobilité 7), Développer f8, [Masters 99%]
● ...Bd6 — Développer Bf8
● ...Bg4 — Clouer Nf3
Faiblesses adverses : Bc1 enfermé.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 5 pièces non développées (G8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Bg7 — Fou actif (mobilité 7), Développer f8, [Masters 99%]
● ...Bd6 — Développer Bf8
● ...Bg4 — Clouer Nf3
Avantages
Faiblesses adverses
Diagonale active
Plans
Base Masters : Blancs 32.9%, Nulles 45.8%, Noirs 21.3%.
Coups candidats
4…Bg7 (99.1% — Blancs: 32.9% | Nulles: 45.9% | Noirs: 21.2%)
4…Nf6 (0.8% — Blancs: 38.8% | Nulles: 35.0% | Noirs: 26.2%)
4…a6
4…Nd4
4…Nh6
4…Qb6
4…Nf6 (0.8% — Blancs: 38.8% | Nulles: 35.0% | Noirs: 26.2%)
4…a6
4…Nd4
4…Nh6
4…Qb6
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).
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. 6) | |
| Bc8 | ● Bc8 Non développé (mob. 0) | |
| Bf8 | ● Bf8 Non développé (mob. 2) | |
| Paire de fous | ● Oui | ● Oui |
| Non développées | 3 (b1, c1, a1) | 5 (g8, c8, f8, a8, h8) |
Sécurité du roi
| ♔ Blancs | ♚ Noirs | |
| Statut | ● Roqué | ● Au centre ! |
| Droits de roque | — | 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 |
|---|
| ? 1998 – Round ? – Karpov, Anatoly – 1-0 – Havrdova, Lenka – G66 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 bxc6 6. c3 d6 7. h3 Nf6 8. Re1 Nd7 9. d4 cxd4 10. cxd4 O-O |
| ? 2000 – Round ? – Zarnicki, Pablo – 1/2-1/2 – Adams, Michael – G83 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 dxc6 6. d3 Nf6 7. h3 O-O 8. Be3 b6 9. Nc3 Ne8 10. d4 cxd4 |
| 11. Norway Chess 2023 – Round 6.3 – Firouzja, Alireza – 1/2-1/2 – Nakamura, Hikaru – G28 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 bxc6 6. Re1 Qc7 7. Na3 Nh6 8. c3 O-O 9. h3 f6 10. d4 cxd4 |
| 2024 Superbet Chess Classic - Round 2 - Praggnanandhaa R - 1/2-1/2 - Vachier-Lagrave Maxime - G9 1971 1. e4 1... c5 2. Nf3 2... Nc6 3. Bb5 3... g6 4. O-O 4... Bg7 5. Bxc6 5... bxc6 6. Re1 6... Qc7 7. d3 7... e5 8. c3 8... Nf6 9. d4 9... cxd4 10. cxd4 10... exd4 |
| 43. Olympiad 2018 – Round 10.33 – Delgado Ramirez, Neuris – 1-0 – Cawdery, Daniel – G669 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Nc3 e5 6. a3 Nge7 7. b4 d6 8. bxc5 dxc5 9. d3 O-O 10. Bc4 Nd4 |
| 43. Olympiad 2018 – Round 7.12 – Idani, Pouya – 0-1 – Abreu Jean, Carlos Paul – G439 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Nc3 Nd4 6. Ba4 a6 7. Nxd4 cxd4 8. Ne2 Qa5 9. Bb3 Nf6 10. d3 Qc5 |
| Amber Rapid 2004 – Round 11 – Morozevich, Alexander – 1-0 – Svidler, Peter – G36 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. d3 Nf6 6. Nc3 O-O 7. h3 Nd4 8. Nxd4 cxd4 9. Ne2 Qa5 10. Bc4 d5 |
| Amber Rapid 2004 – Round 7 – Morozevich, Alexander – 1-0 – Anand, Viswanathan – G21 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. d3 Nf6 6. Nc3 O-O 7. e5 Ne8 8. Bxc6 dxc6 9. h3 Nc7 10. Be3 b6 |
| Amber Rapid 2005 – Round 8 – Morozevich, Alexander – 0-1 – Kramnik, Vladimir – G22 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. d3 Nf6 6. Nc3 O-O 7. h3 d6 8. Bxc6 bxc6 9. e5 Nd5 10. Re1 Nxc3 |
| Amber-blindfold 13th 2004 – Round 6 – Morozevich, Alexander – 1/2-1/2 – Van Wely, Loek – G15 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. d3 Nf6 6. Nc3 O-O 7. h3 d6 8. Bxc6 bxc6 9. e5 Nd5 10. Re1 h6 |
| FIDE Grand Swiss 2025 1974 – Round 10 – Niemann Hans Moke – 1-0 – Praggnanandhaa R – G528 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 Nd4 6. Nxd4 cxd4 7. c3 e6 8. Na3 a6 9. Bf1 Ne7 10. cxd4 O-O |
| FIDE Grand Swiss 2025 1974 – Round 2 – Cheparinov Ivan – 1/2-1/2 – Niemann Hans Moke – G74 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. Bxc6 dxc6 7. a4 Qc7 8. Na3 b6 9. Nc4 Be6 10. d3 Rd8 |
| FIDE Grand Swiss 2025 1974 – Round 8 – Ivic Velimir – 1-0 – Madaminov Mukhiddin – G459 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. d3 e5 6. a3 Nge7 7. b4 d6 8. bxc5 dxc5 9. Bg5 Bd7 10. Bxc6 Bxc6 |
| FIDE Grand Swiss 2025 1974 – Round 9 – Divya Deshmukh – 0-1 – Sjugirov Sanan – G521 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. Bxc6 dxc6 7. a4 Qe7 8. Na3 Nf6 9. Nc4 Nd7 10. a5 O-O |
| FIDE World Blitz Championship 2025 1975 – Round 1 – Firouzja Alireza – 1-0 – Saraci Nderim – G2 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 d5 8. e5 Ne4 9. Be3 cxd4 10. cxd4 Qb6 |
| FIDE World Blitz Championship 2025 1975 – Round 11 – Gukesh D – 1-0 – Hans Niemann – G219 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. Bxc6 dxc6 7. a4 Qe7 8. a5 Nf6 9. d3 O-O 10. h3 Ne8 |
| FIDE World Cup 2015 – Round 1.1 – Salem, A.R. Saleh – 0-1 – Wei, Yi – G40 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Nc3 Nf6 6. e5 Ng4 7. Bxc6 dxc6 8. Re1 O-O 9. d3 Nh6 10. h3 b6 |
| FIDE World Cup 2019 – Round 4.3 – Aronian, Levon – 1/2-1/2 – Le, Quang Liem – G378 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 bxc6 6. Re1 Nh6 7. c3 O-O 8. d4 cxd4 9. cxd4 d5 10. e5 f6 |
| FIDE World Cup 2025 1974 – Round R1 Classical 1 – Gledura Benjamin – 1-0 – Amdouni Zoubaier – G8 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. d3 Nf6 6. Nc3 O-O 7. e5 Ng4 8. Bxc6 bxc6 9. Re1 f6 10. exf6 Nxf6 |
| FIDE World Cup 2025 1974 – Round R3 Classical 1 – Giri Anish – 1/2-1/2 – Donchenko Alexander – G440 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. d3 d6 6. c3 Nf6 7. e5 Nd5 8. exd6 Qxd6 9. Nbd2 Nf6 10. Nc4 Qc7 |
| FIDE World Cup 2025 1974 – Round R4 Classical 2 – Shant Sargsyan – 1/2-1/2 – Svane – G552 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. h3 Nf6 6. e5 Nd5 7. Re1 O-O 8. Nc3 Nc7 9. Bxc6 dxc6 10. d3 Be6 |
| Global Chess League 2023 – Round 7.1 – Nepomniachtchi, Ian – 1/2-1/2 – Vachier-Lagrave, Maxime – G79 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. d3 d6 6. Bxc6+ bxc6 7. e5 Bg4 8. exd6 exd6 9. Nbd2 Ne7 10. h3 Bxf3 |
| Lindores Abbey Tal Memorial 2021 – Round 3.38 – Demchenko, Aleksandr – 0-1 – Padmini, Rout – G150 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. d3 d6 6. c3 Nf6 7. Re1 O-O 8. h3 a6 9. Bxc6 bxc6 10. d4 Qb6 |
| Lindores Abbey Tal Memorial 2021 – Round 5.23 – Aronian, Levon – 1-0 – Ivic, Velimir – G229 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. d3 e5 6. Bg5 Nge7 7. Nc3 h6 8. Bxe7 Nxe7 9. Bc4 O-O 10. Nd5 d6 |
| PCA/Intel-GP 1994 – Round 1 – Yudasin, Leonid – 1/2-1/2 – Kramnik, Vladimir – G6 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 dxc6 6. d3 Bg4 7. Nbd2 Nf6 8. Nc4 Nd7 9. Ne3 Bxf3 10. Qxf3 Nf8 |
| PCA/Intel-GP 1995 – Round 2 – Morozevich, Alexander – 1/2-1/2 – Christiansen , Luis – G19 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Nc3 e5 6. d3 Nge7 7. Ne1 O-O 8. f4 exf4 9. Bxf4 d6 10. Nf3 Bg4 |
| PCA/Intel-GP 1995 – Round 4.3 – Kasparov, Garry – 1/2-1/2 – Kramnik, Vladimir – G26 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Nc3 d6 6. h3 Bd7 7. Re1 Nf6 8. Bxc6 Bxc6 9. e5 dxe5 10. Nxe5 Rc8 |
| Saint Louis Blitz 2017 – Round 6.5 – Anand, Viswanathan – 1/2-1/2 – Kasparov, Garry – G30 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 bxc6 6. Re1 Nf6 7. e5 Nd5 8. c4 Nc7 9. d4 cxd4 10. Qxd4 Ne6 |
| Sinquefield Cup 2025 1975 – Round 2 – Praggnanandhaa R – 1/2-1/2 – Caruana Fabiano – G6 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 Nf6 6. Bxc6 bxc6 7. e5 Nd5 8. c4 Nc7 9. Nc3 O-O 10. d4 cxd4 |
| Sinquefield Cup 2025 1975 – Round 3 – Samuel Sevian – 1/2-1/2 – Gukesh D – G11 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 a6 8. Bxc6 dxc6 9. h3 cxd4 10. cxd4 c5 |
| Sinquefield Cup 2025 1975 – Round 5 – Vachier-Lagrave Maxime – 1/2-1/2 – Praggnanandhaa R – G25 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. Bxc6 dxc6 7. d3 Qe7 8. a3 Nf6 9. b4 O-O 10. bxc5 Qxc5 |
| Sinquefield Cup 2025 1975 – Round 7 – Firouzja Alireza – 0-1 – Praggnanandhaa R – G35 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 e5 6. Bxc6 dxc6 7. d3 Qe7 8. Nbd2 Nf6 9. a4 O-O 10. Nc4 Ne8 |
| Superbet Rapid & Blitz Poland 2025 1975 – Round 6 – Gavrilescu David – 1/2-1/2 – Aravindh Chithambaram VR. – G28 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 a6 8. Bd3 cxd4 9. cxd4 Nb4 10. Bf1 d5 |
| Superbet Rapid 2019 – Round 4.3 – Aadvika Giri – 1-0 – Le, Quang Liem – G18 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 bxc6 6. Re1 Nh6 7. c3 O-O 8. h3 f5 9. e5 Nf7 10. d4 cxd4 |
| Tata Steel Chess 2025 1973 – Round 4 – Caruana Fabiano – 1/2-1/2 – Giri Anish – G23 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. Bxc6 bxc6 7. c3 Ne7 8. d4 cxd4 9. cxd4 exd4 10. Nxd4 O-O |
| Tata Steel India Rapid 2019 – Round 5.4 – Aadvika Giri – 0-1 – Carlsen, Magnus – G24 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 bxc6 6. Re1 Qc7 7. h3 d6 8. c3 Nf6 9. d4 cxd4 10. cxd4 O-O |
| World Blitz 2018 – Round 12.61 – Maslak, Konstantin – 1-0 – Alekseenko, Kirill – G741 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 dxc6 6. h3 Nh6 7. d3 b6 8. Nc3 O-O 9. Bg5 f6 10. Bxh6 Bxh6 |
| World Blitz 2018 – Round 18.46 – Jumabayev, Rinat – 0-1 – Le, Quang Liem – G1079 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 dxc6 6. h3 Nf6 7. d3 Nd7 8. Nc3 b6 9. a3 a5 10. Nd2 e5 |
| World Blitz 2019 – Round 10.17 – Zvjaginsev, Vadim – 1/2-1/2 – Le, Quang Liem – G663 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. d3 e5 6. Bxc6 dxc6 7. Be3 b6 8. Nbd2 Qc7 9. a4 a5 10. Nc4 Be6 |
| World Blitz 2019 – Round 20.67 – Gajewski, Gracjan – 1-0 – Atabayev, Maksat – G1382 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 dxc6 6. h3 e5 7. d3 Qe7 8. Nc3 Nf6 9. Be3 Nd7 10. a3 Nf8 |
| World Blitz 2019 – Round 6.56 – Zvjaginsev, Vadim – 1-0 – Harsha Bharathakoti – G427 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. d3 e5 6. Bxc6 dxc6 7. Be3 Qe7 8. Nbd2 Nf6 9. h3 O-O 10. a4 a5 |
| World Blitz 2022 – Round 12.9 – Nepomniachtchi, Ian – 1-0 – Mamedov, Rauf – G670 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Nc3 e5 6. Bc4 d6 7. d3 h6 8. a3 Nge7 9. b4 O-O 10. bxc5 dxc5 |
| World Blitz 2023 – Round 17.59 – Cheparinov, Ivan – 1/2-1/2 – Isanzhulov, Arystan – G998 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 dxc6 6. d3 Qc7 7. Qe2 e5 8. a4 a5 9. Be3 b6 10. Nfd2 Be6 |
| World Blitz Final 2012 – Round 2 – Topalov, Veselin – 1/2-1/2 – Radjabov, Teimour – G12 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 dxc6 6. h3 Nf6 7. d3 O-O 8. a3 c4 9. Nc3 cxd3 10. cxd3 c5 |
| World Rapid 2019 – Round 5.20 – Vokhidov, Shamsiddin – 1/2-1/2 – Mamedov, Rauf – G306 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 dxc6 6. d3 Nf6 7. a4 a5 8. Nbd2 b6 9. Re1 O-O 10. e5 Nd5 |
| World Rapid 2021 – Round 11.24 – Demchenko, Aleksandr – 0-1 – Maghsoodloo, Parham – G637 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. d3 e5 6. a3 Nge7 7. b4 cxb4 8. axb4 O-O 9. c4 Nxb4 10. Ba3 Nbc6 |
| World Rapid 2021 – Round 12.65 – Erigaisi Arjun – 1-0 – Klekowski, Maciej – G732 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 bxc6 6. d3 d6 7. e5 dxe5 8. Re1 f6 9. b3 Nh6 10. Nc3 Nf5 |
| World Rapid 2021 – Round 3.34 – Demchenko, Aleksandr – 1-0 – Klekowski, Maciej – G160 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. d3 e5 6. a3 Nge7 7. b4 b6 8. bxc5 bxc5 9. Bg5 Qa5 10. Bxc6 Nxc6 |




