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

♚ 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

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

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. 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
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
2024 Superbet Chess Classic - Round 2 - Praggnanandhaa R - 1/2-1/2 - Vachier-Lagrave Maxime - G9 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 – 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 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 – 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 – 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 – 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
Superbet Rapid 2019 – Round 4.3 – Giri, Anish – 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 India Rapid 2019 – Round 5.4 – Giri, Anish – 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, Grzegorz – 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

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