B90c — Sicilian: Najdorf, 6.a4 e5
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.a4 e5 * ○ Trait aux Blancs
Ouverture — Centre fermé
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
abcdefgh
Avantages : majorité aile_dame (3v2), case forte d5, case forte f5, avant-poste d5(C), paire de fous, colonne d.
Faiblesses adverses : arriérés d6, b7, Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 4 pièces non développées (C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Bg5 — Clouer Nf6
● Bd3 — Développer Bf1
● Rd — Tour sur colonne d
Faiblesses adverses : arriérés d6, b7, Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 4 pièces non développées (C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Bg5 — Clouer Nf6
● Bd3 — Développer Bf1
● Rd — Tour sur colonne d
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Avantages : majorité centre (2v1), case forte g4, paire de fous, colonne c.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, arriérés d6, b7, 5 pièces non développées (B8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nbd7 — Développer Nb8
● ...Bf5 — Développer Bc8
● ...Be7 — Développer Bf8
● ...d5 — Rupture
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, arriérés d6, b7, 5 pièces non développées (B8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nbd7 — Développer Nb8
● ...Bf5 — Développer Bc8
● ...Be7 — Développer Bf8
● ...d5 — Rupture
Avantages
Faiblesses adverses
Diagonale active
Plans
Structure de pions
| ♔ Blancs | ♚ Noirs | |
| Pions doublés | — | — |
| Pions isolés | — | — |
| Arriérés | — | ● d6, ● b7 |
| Chaînes | — | ● d6→e5, b7→a6 |
| Passés | — | — |
| Majorité | ● aile_dame 3v2 | ● centre 2v1 |
Cases
| ♔ Blancs | ♚ Noirs | |
| Cases fortes | ● d5 (2v1), ● f5 (2v1) | ● g4 (2v1) |
| Cases faibles | — | — |
| Centre | ● d5 (2v1) | ● e5 (1v0) |
Colonnes et diagonales
| ♔ Blancs | ♚ Noirs | |
| Semi-ouvertes | ● d | ● c |
Pièces
| ♔ Blancs | ♚ Noirs | |
| Bc1 | ● Bc1 Non développé (mob. 5) | |
| Bf1 | ● Bf1 Non développé (mob. 5) | |
| Bc8 | ● Bc8 Non développé (mob. 5) | |
| Bf8 | ● Bf8 Non développé (mob. 1) | |
| Paire de fous | ● Oui | ● Oui |
| Non développées | 4 (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 | fermé | |
| Ruptures | ● f2-f3 | ● …d6-d5 |
| Partie |
|---|
| 34. ECC Open 2018 – Round 6.4 – Djurhuus, Rune – 1/2-1/2 – Fedoseev, Vladimir – G187 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. Nd5 Nd7 |
| 4. GRENKE Chess Classic 2017 – Round 3.1 – Hou, Yifan(HLJ) – 1/2-1/2 – Carlsen, Magnus – G9 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. Nd5 Nd7 |
| 8. Tal Mem Blitz 2013 – Round 8 – Carlsen, Magnus – 1/2-1/2 – Gelfand, Boris – G38 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bc4 O-O 9. O-O Be6 10. Bxe6 fxe6 |
| 83. Tata Steel Masters 2021 – Round 13.1 – Anton Guijarro, David – 1/2-1/2 – Giri, Anish – G88 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. Nd5 Nd7 |
| 9. Norway Chess 2021 – Round 3.2 – Aditya Tari – 1/2-1/2 – Nepomniachtchi, Ian – G8 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. Nd5 Nc6 |
| 9. Norway Chess 2021 – Round 9.3 – Aditya Tari – 0-1 – Firouzja, Alireza – G27 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 h6 8. Nd2 Be6 9. Nc4 Be7 10. Nd5 Nxd5 |
| Amber-rapid 5th 1996 – Round 3 – Kamsky, Gata – 1/2-1/2 – Lautier, Joel – G11 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nde2 Be7 8. g3 Be6 9. Bg2 Nbd7 10. h3 Rc8 |
| FIDE World Blitz Championship 2014 – Round 16.12 – Guseinov, Gadir – 0-1 – Wojtaszek, Radoslaw – G146 1. e4 c5 2. Nc3 d6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. a4 e5 7. Nf3 h6 8. Bc4 Be6 9. Bxe6 fxe6 10. Nh4 Nc6 |
| FIDE World Blitz Championship 2025 – Round 6 – Pichot Alan – 1/2-1/2 – Vachier-Lagrave Maxime – G108 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bc4 Be6 9. Bb3 Qc8 10. O-O O-O |
| FIDE World Cup 2019 – Round 2.1 – Andreikin, Dmitry – 1/2-1/2 – Jumabayev, Rinat – G211 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Qc7 8. Bg5 Nbd7 9. Nd2 h6 10. Bh4 g5 |
| GCT Blitz Paris 2018 – Round 7.3 – Anand, Viswanathan – 1-0 – Grischuk, Alexander – G32 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. Nd5 Nd7 |
| GCT Blitz Paris 2019 – Round 17.1 – Anand, Viswanathan – 1/2-1/2 – Giri, Anish – G81 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. Nd5 Nd7 |
| Lindores Abbey Tal Memorial 2021 – Round 2.45 – Onischuk, Vasilisa – 1-0 – Assaubayeva, Bibisara – G98 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bc4 Qc7 9. Qe2 h6 10. O-O O-O |
| Lindores Abbey Tal Memorial 2021 – Round 5.12 – Onischuk, Vasilisa – 0-1 – Matlakov, Maxim – G217 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bc4 Be6 9. Qe2 O-O 10. O-O Qc7 |
| Olympiad 2002 – Round 7 – Benjamin, Joel – 0-1 – Malisauskas, Vidmantas – G230 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 h6 8. Bc4 Be6 9. Bxe6 fxe6 10. Nh4 Nc6 |
| Saint Louis Rapid 2023 – Round 7.3 – Giri, Anish – 1/2-1/2 – Xiong, Jeffery – G33 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. Nd5 Nd7 |
| WCh Candidates 2011 – Round 1.3 – Kamsky, Gata – 1/2-1/2 – Topalov, Veselin – G10 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. Nd5 Nd7 |
| World Blitz 2015 – Round 18.14 – Onyshchuk, Volodymyr – 1-0 – Wojtaszek, Radoslaw – G1100 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 h6 8. Bc4 Be6 9. Qe2 Nc6 10. O-O Be7 |
| World Blitz 2017 – Round 20.53 – Short, Nigel D – 1-0 – Tissir, Mohamed – G1069 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 h6 8. Bc4 Be7 9. O-O Nc6 10. Qe2 O-O |
| World Blitz 2021 – Round 17.10 – Firouzja, Alireza – 1-0 – Muradli, Mahammad – G978 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. Nd5 Nd7 |
| World Blitz 2021 – Round 8.29 – Onyshchuk, Volodymyr – 1-0 – Tazbir, Marcin – G463 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. a4 e5 7. Nf3 Be7 8. Bc4 Be6 9. Qe2 Qc8 10. Ba2 Bxa2 |
| World Blitz 2022 – Round 1.9 – Ponkratov, Pavel – 0-1 – Duda, Jacob – G62 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bc4 Be6 9. Qd3 h6 10. O-O O-O |
| World Blitz 2023 – Round 1.37 – Vokhidov, Shamsiddin – 1-0 – Fayzullaev, Akmal – G40 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bg5 O-O 9. Bxf6 Bxf6 10. Nd5 Nc6 |
| World Rapid 2019 – Round 10.21 – Yu, Yangyi – 1/2-1/2 – Firouzja, Alireza – G632 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Qc7 8. Bg5 Nbd7 9. a5 Be7 10. Be2 h6 |
| World Rapid 2019 – Round 14.14 – Yu, Yangyi – 1-0 – Sjugirov, Sanan – G884 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Bc4 Be6 9. Qe2 Nbd7 10. O-O Rc8 |
| World Rapid 2021 – Round 9.10 – Onyshchuk, Volodymyr – 1/2-1/2 – Chigaev, Maksim – G505 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 h6 8. Bc4 Be6 9. Qe2 Qc7 10. Ba2 Be7 |
| World Rapid 2021 – Round 9.15 – Ponkratov, Pavel – 1/2-1/2 – Vachier-Lagrave, Maxime – G510 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. g3 O-O 9. Bg2 Nc6 10. O-O Be6 |
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- B20-B99 1. e4 c5 - Sicilian Defense, B90 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 - Sicilian [+0.29], B90-B99 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 Sicilian, Najdorf, B90c - 6.a4 e5 - Najdorf [+0.06], SÉRIE B 1.e4 2....
34. ECC Open 2018 – Round 6.4 – Djurhuus, Rune – 1/2-1/2 – Fedoseev, Vladimir – G187
- Lire la suite
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- B20-B99 1. e4 c5 - Sicilian Defense, B90 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 - Sicilian [+0.29], B90-B99 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 Sicilian, Najdorf, B90c - 6.a4 e5 - Najdorf [+0.06], SÉRIE B 1.e4 2....
4. GRENKE Chess Classic 2017 – Round 3.1 – Hou, Yifan(HLJ) – 1/2-1/2 – Carlsen, Magnus – G9
- Lire la suite
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- B20-B99 1. e4 c5 - Sicilian Defense, B90 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 - Sicilian [+0.29], B90-B99 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 Sicilian, Najdorf, B90c - 6.a4 e5 - Najdorf [+0.06], SÉRIE B 1.e4 2....
8. Tal Mem Blitz 2013 – Round 8 – Carlsen, Magnus – 1/2-1/2 – Gelfand, Boris – G38
- Lire la suite
-
- B20-B99 1. e4 c5 - Sicilian Defense, B90 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 - Sicilian [+0.29], B90-B99 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 Sicilian, Najdorf, B90c - 6.a4 e5 - Najdorf [+0.06], SÉRIE B 1.e4 2....
83. Tata Steel Masters 2021 – Round 13.1 – Anton Guijarro, David – 1/2-1/2 – Giri, Anish – G88
- Lire la suite
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- B20-B99 1. e4 c5 - Sicilian Defense, B90 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 - Sicilian [+0.29], B90-B99 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 Sicilian, Najdorf, B90c - 6.a4 e5 - Najdorf [+0.06], SÉRIE B 1.e4 2....
9. Norway Chess 2021 – Round 3.2 – Aditya Tari – 1/2-1/2 – Nepomniachtchi, Ian – G8
- Lire la suite
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- B20-B99 1. e4 c5 - Sicilian Defense, B90 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 - Sicilian [+0.29], B90-B99 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 Sicilian, Najdorf, B90c - 6.a4 e5 - Najdorf [+0.06], SÉRIE B 1.e4 2....
9. Norway Chess 2021 – Round 9.3 – Aditya Tari – 0-1 – Firouzja, Alireza – G27
- Lire la suite
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- B20-B99 1. e4 c5 - Sicilian Defense, B90 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 - Sicilian [+0.29], B90-B99 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 Sicilian, Najdorf, B90c - 6.a4 e5 - Najdorf [+0.06], SÉRIE B 1.e4 2....
Amber-rapid 5th 1996 – Round 3 – Kamsky, Gata – 1/2-1/2 – Lautier, Joel – G11
- Lire la suite
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- B20-B99 1. e4 c5 - Sicilian Defense, B90 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 - Sicilian [+0.29], B90-B99 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 Sicilian, Najdorf, B90c - 6.a4 e5 - Najdorf [+0.06], SÉRIE B 1.e4 2....
FIDE World Blitz Championship 2014 – Round 16.12 – Guseinov, Gadir – 0-1 – Wojtaszek, Radoslaw – G146
- Lire la suite
-
- B20-B99 1. e4 c5 - Sicilian Defense, B90 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 - Sicilian [+0.29], B90-B99 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 Sicilian, Najdorf, B90c - 6.a4 e5 - Najdorf [+0.06], SÉRIE B 1.e4 2....
FIDE World Blitz Championship 2025 – Round 6 – Pichot Alan – 1/2-1/2 – Vachier-Lagrave Maxime – G108
- Lire la suite
-
- B20-B99 1. e4 c5 - Sicilian Defense, B90 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 - Sicilian [+0.29], B90-B99 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 Sicilian, Najdorf, B90c - 6.a4 e5 - Najdorf [+0.06], SÉRIE B 1.e4 2....
FIDE World Cup 2019 – Round 2.1 – Andreikin, Dmitry – 1/2-1/2 – Jumabayev, Rinat – G211
- Lire la suite
-
- B20-B99 1. e4 c5 - Sicilian Defense, B90 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 - Sicilian [+0.29], B90-B99 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 Sicilian, Najdorf, B90c - 6.a4 e5 - Najdorf [+0.06], SÉRIE B 1.e4 2....
GCT Blitz Paris 2018 – Round 7.3 – Anand, Viswanathan – 1-0 – Grischuk, Alexander – G32
- Lire la suite
-
- B20-B99 1. e4 c5 - Sicilian Defense, B90 - 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 - Sicilian [+0.29], B90-B99 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 Sicilian, Najdorf, B90c - 6.a4 e5 - Najdorf [+0.06], SÉRIE B 1.e4 2....
GCT Blitz Paris 2019 – Round 17.1 – Anand, Viswanathan – 1/2-1/2 – Giri, Anish – G81
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