A20b — English: King’s, 2.d3
1.c4 e5 2.d3 * ● Trait aux Noirs
Ouverture — Centre semi-ouvert
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
abcdefgh
Avantages : paire de fous.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 6 pièces non développées (B1, G1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, libère Bf1
● Nc3 — Développer Nb1
● Nf3 — Développer Ng1
● Be3 — Développer Bc1
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 6 pièces non développées (B1, G1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, libère Bf1
● Nc3 — Développer Nb1
● Nf3 — Développer Ng1
● Be3 — Développer Bc1
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Avantages : paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 6 pièces non développées (B8, G8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...Nf6 — Développer Ng8
● ...Be7 — Développer Bf8
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 6 pièces non développées (B8, G8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...Nf6 — Développer Ng8
● ...Be7 — Développer Bf8
Avantages
Faiblesses adverses
Diagonale active
Plans
Structure de pions
| ♔ Blancs | ♚ Noirs | |
| Pions doublés | — | — |
| Pions isolés | — | — |
| Arriérés | — | — |
| Chaînes | ● e2→d3, d3→c4 | — |
| Passés | — | — |
| Majorité | — | — |
Cases
| ♔ Blancs | ♚ Noirs | |
| Cases fortes | — | — |
| Cases faibles | — | — |
| Centre | ● d5 (1v0), ● e4 (1v0) | ● d4 (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. 5) | |
| Paire de fous | ● Oui | ● Oui |
| Non développées | 6 (b1, g1, c1, f1, a1, h1) | 6 (b8, 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 | ● c4-c5, ● d3-d4, ● e2-e3, ● f2-f3 | ● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e5-e4, ● …f7-f6, ● …f7-f5 |
| Partie |
|---|
| 2024 Superbet Chess Blitz 1971 – Round 16 – Keymer Vincent – 0-1 – Erigaisi Arjun – G80 1. c4 e5 2. d3 d6 3. Nf3 f5 4. b4 Nf6 5. Bb2 Be7 6. Nc3 O-O 7. e3 h6 8. g3 Qe8 9. Bg2 Be6 10. O-O Nbd7 |
| 2024 Superbet Chess Classic - Round 10 - Caruana Fabiano - 1-0 - Gukesh D - G46 1971 1. c4 1... e5 2. d3 2... Nf6 3. Nf3 3... Nc6 4. a3 4... a5 5. e3 5... d5 6. cxd5 6... Nxd5 7. b3 7... Bd6 8. Bb2 8... O-O 9. Nbd2 9... Qe7 10. Be2 10... Nb6 |
| 2024 Superbet Chess Classic - Round 2 - Caruana Fabiano - 1/2-1/2 - So Wesley - G8 1971 1. c4 1... e5 2. d3 2... Nf6 3. Nf3 3... Nc6 4. a3 4... g6 5. g3 5... Bg7 6. Bg2 6... d5 7. cxd5 7... Nxd5 8. O-O 8... O-O 9. Bd2 9... a5 10. Nc3 10... Nf6 |
| 2024 Superbet Chess Classic - Round 7 - Giri Anish - 1/2-1/2 - Vachier-Lagrave Maxime - G32 1971 1. c4 1... e5 2. d3 2... Nf6 3. Nf3 3... Nc6 4. a3 4... a5 5. Nc3 5... Be7 6. e4 6... O-O 7. Be2 7... d6 8. Rb1 8... Bg4 9. Be3 9... Nd7 10. Nd5 10... Bxf3 |
| 2024 SuperUnited Rapid & Blitz Croatia 1972 – Round 21 – Giri Anish – 0-1 – So Wesley – G101 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 g6 5. Nc3 Bg7 6. g3 d5 7. cxd5 Nxd5 8. Nxd5 Qxd5 9. Bg2 O-O 10. O-O Qb5 |
| 2024 SuperUnited Rapid & Blitz Croatia 1972 – Round 23 – Caruana Fabiano – 0-1 – So Wesley – G113 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 g6 5. e3 Bg7 6. Be2 e4 7. dxe4 Nxe4 8. Qc2 Qe7 9. Ra2 d6 10. b4 Bf5 |
| 4. Sinquefield Cup 2016 – Round 7.3 – Topalov, Veselin – 1/2-1/2 – Aadvika Giri – G33 1. c4 e5 2. d3 Bb4+ 3. Nd2 Nf6 4. Nf3 Nc6 5. a3 Bxd2+ 6. Qxd2 d5 7. cxd5 Qxd5 8. e4 Qd6 9. h3 a5 10. Be2 Nd7 |
| 44. GM 2016 – Round 7.4 – Kramnik, Vladimir – 1-0 – Najer, Evgeniy – G28 1. c4 e5 2. d3 g6 3. Nc3 Bg7 4. g3 d6 5. Bg2 Nf6 6. e4 c6 7. Nge2 a6 8. O-O b5 9. f4 Qb6+ 10. Kh1 Ng4 |
| 7. London Classic 2015 – Round 6.1 – Grischuk, Alexander – 1-0 – Anand, Viswanathan – G26 1. c4 e5 2. d3 Nc6 3. Nf3 f5 4. g3 Nf6 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 O-O 8. Nc3 d6 9. O-O Bd7 10. Nd5 Nxd5 |
| 7. Norway Blitz 2019 – Round 3.3 – Caruana, Fabiano – 1-0 – Anand, Viswanathan – G13 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 g6 5. Nc3 Bg7 6. g3 d6 7. Bg2 Nd4 8. Nd2 O-O 9. O-O c6 10. b4 d5 |
| 7. Norway Chess 2019 – Round 6.3 – Aronian, Levon – 1/2-1/2 – So, Wesley – G27 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 g6 5. Nc3 Bg7 6. e3 d5 7. cxd5 Nxd5 8. Bd2 O-O 9. Be2 Nxc3 10. Bxc3 a5 |
| 81. Tata Steel GpA 2019 – Round 7.7 – Shankland, Sam – 1-0 – Van Foreest, Jorden – G43 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 d5 5. cxd5 Nxd5 6. e3 a5 7. Be2 Bd6 8. b3 O-O 9. Bb2 f5 10. Nbd2 Qe7 |
| Cote d'Ivoire Blitz 2019 – Round 3.3 – Topalov, Veselin – 1/2-1/2 – So, Wesley – G13 1. c4 e5 2. d3 Nc6 3. a3 g6 4. b4 Bg7 5. Bb2 d6 6. Nf3 f5 7. e3 Nf6 8. Be2 O-O 9. Nc3 Ne7 10. d4 e4 |
| Cote d'Ivoire Blitz 2019 – Round 5.1 – Topalov, Veselin – 1/2-1/2 – Nakamura, Hikaru – G21 1. c4 e5 2. d3 Nc6 3. a3 Nf6 4. Nf3 d5 5. cxd5 Nxd5 6. e4 Nf6 7. Be2 a5 8. O-O Bc5 9. Be3 Bb6 10. Nbd2 Bxe3 |
| FIDE Grand Swiss 2025 1974 – Round 6 – Artemiev Vladislav – 1/2-1/2 – Aryan Chopra – G330 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Nc3 Be7 7. Nxd5 Qxd5 8. Bg2 O-O 9. O-O Qd6 10. Bd2 a5 |
| FIDE World Cup 2025 1974 – Round R2 Classical 2 – Meier Georg – 1/2-1/2 – Volodar Murzin – G314 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 d5 5. cxd5 Nxd5 6. e4 Nb6 7. Be2 Be7 8. O-O O-O 9. Be3 f5 10. exf5 Bxf5 |
| FIDE World Rapid Championship 2025 1974 – Round 6 – Maghsoodloo Parham – 0-1 – Ivan Zemlyanskii – G120 1. c4 e5 2. d3 Bb4+ 3. Nd2 c5 4. Nf3 Nc6 5. g3 Nge7 6. Bg2 d6 7. O-O Ba5 8. b3 O-O 9. Bb2 Bf5 10. a3 Qd7 |
| GCT Blitz YourNextMove 2016 – Round 12.2 – Topalov, Veselin – 1/2-1/2 – Vachier-Lagrave, Maxime – G57 1. c4 e5 2. d3 g6 3. Nf3 Bg7 4. g3 Ne7 5. Bg2 O-O 6. O-O c6 7. e4 c5 8. Nc3 d6 9. a3 Nbc6 10. Rb1 f5 |
| GCT Blitz YourNextMove 2018 – Round 17.3 – Karjakin, Sergey – 1-0 – Caruana, Fabiano – G83 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. g3 Bb4+ 5. Nbd2 a5 6. Bg2 O-O 7. O-O Re8 8. a3 Bc5 9. b3 d5 10. cxd5 Nxd5 |
| GCT Rapid YourNextMove 2016 – Round 5.2 – Topalov, Veselin – 0-1 – Anand, Viswanathan – G22 1. c4 e5 2. d3 Bb4+ 3. Nd2 Nf6 4. Nf3 Nc6 5. a3 Bxd2+ 6. Bxd2 d5 7. cxd5 Qxd5 8. e4 Qd6 9. h3 O-O 10. Rc1 a5 |
| Saint Louis Blitz 2022 – Round 1.3 – Firouzja, Alireza – 1-0 – Nepomniachtchi, Ian – G3 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 d5 5. cxd5 Nxd5 6. e4 Nb6 7. Be2 Be7 8. O-O O-O 9. Be3 f5 10. b4 f4 |
| Saint Louis Blitz 2022 – Round 5.4 – Firouzja, Alireza – 1/2-1/2 – Caruana, Fabiano – G24 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 d5 5. cxd5 Nxd5 6. e4 Nb6 7. Be2 Be7 8. Be3 O-O 9. O-O f5 10. b4 a6 |
| Saint Louis Blitz 2023 – Round 11.5 – Firouzja, Alireza – 1-0 – Robson, Ray – G55 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 d5 5. cxd5 Nxd5 6. e4 Nb6 7. Be2 Be7 8. Be3 Be6 9. O-O O-O 10. Nbd2 Bf6 |
| Saint Louis Blitz 2023 – Round 5.3 – Firouzja, Alireza – 1-0 – Sevian, Samuel – G23 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 d5 5. cxd5 Nxd5 6. e4 Nb6 7. Be2 Be7 8. Be3 O-O 9. O-O Re8 10. Nbd2 Bf6 |
| Sharjah Grand Prix 2017 – Round 1.9 – Grischuk, Alexander – 1/2-1/2 – Hammer, Jon Ludvig – G9 1. c4 e5 2. d3 Bb4+ 3. Nd2 Nf6 4. Nf3 Bd6 5. a3 O-O 6. e3 Re8 7. Qc2 Bf8 8. b4 d6 9. Bb2 a5 10. Be2 Na6 |
| Superbet Blitz 2019 – Round 14.4 – Artemiev, Vladislav – 1/2-1/2 – Le, Quang Liem – G69 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 d5 5. cxd5 Nxd5 6. e3 a5 7. b3 Bd6 8. Bb2 O-O 9. Nbd2 Qe7 10. Be2 Bg4 |
| Superbet Chess Classic 1971 – Round 11 – Caruana Fabiano – 1-0 – Firouzja Alireza – G49 1. c4 1... e5 2. d3 2... Bb4+ 3. Nd2 3... c5 4. Nf3 4... Nc6 5. g3 5... d6 6. Bg2 6... Nge7 7. O-O 7... Ba5 8. b3 8... O-O 9. Bb2 9... h6 10. e3 10... Be6 |
| Superbet Rapid & Blitz Poland 2025 1975 – Round 11 – Topalov Veselin – 1-0 – Firouzja Alireza – G52 1. c4 e5 2. d3 Bb4+ 3. Bd2 c5 4. g3 Nc6 5. Bg2 Nge7 6. Nf3 O-O 7. Nc3 d6 8. O-O h6 9. a3 Ba5 10. Rb1 Be6 |
| SuperUnited Blitz 2022 – Round 10.4 – Topalov, Veselin – 1/2-1/2 – Firouzja, Alireza – G49 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 g6 5. Nc3 Bg7 6. e3 O-O 7. Be2 d5 8. cxd5 Nxd5 9. Qc2 a5 10. O-O Nde7 |
| SuperUnited Blitz 2023 – Round 15.2 – Firouzja, Alireza – 1-0 – Anand, Viswanathan – G72 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 d5 5. cxd5 Nxd5 6. e3 Bd6 7. Be2 O-O 8. O-O Re8 9. b3 Be6 10. Bb2 a5 |
| SuperUnited Rapid 2022 – Round 6.3 – Topalov, Veselin – 1/2-1/2 – So, Wesley – G28 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 g6 5. b4 Bg7 6. Bb2 d6 7. e3 O-O 8. Be2 h6 9. O-O Nh7 10. Nc3 g5 |
| Tata Steel India Blitz 2022 – Round 14.4 – Nakamura, Hikaru – 1-0 – Saini Vidit – G66 1. c4 e5 2. d3 Nf6 3. a3 Nc6 4. b4 d5 5. cxd5 Nxd5 6. Nf3 Bd6 7. e4 Nde7 8. Bb2 a6 9. Nbd2 O-O 10. Nc4 Ng6 |
| World Blitz 2017 – Round 15.39 – Bocharov, Dmitry – 1-0 – Fedorchuk, Sergey A. – G796 1. c4 e5 2. d3 Bc5 3. Nf3 d6 4. g3 Nc6 5. Bg2 Nf6 6. a3 a6 7. b4 Ba7 8. O-O O-O 9. Bb2 h6 10. Nc3 Be6 |
| World Blitz 2018 – Round 14.16 – Le, Quang Liem – 0-1 – Bosiocic, Marin – G816 1. c4 e5 2. d3 f5 3. g3 Nf6 4. Bg2 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 O-O 7. Nc3 d6 8. e3 Kh8 9. Nge2 c6 10. O-O Be6 |
| World Blitz 2018 – Round 16.35 – Le, Quang Liem – 1/2-1/2 – Saric, Ivan – G953 1. c4 e5 2. d3 Nf6 3. Nf3 Bb4+ 4. Nbd2 Qe7 5. a3 Bxd2+ 6. Bxd2 a5 7. Bc3 Nc6 8. b3 d5 9. cxd5 Nxd5 10. Bb2 Bg4 |
| World Blitz 2019 – Round 1.48 – Sadhwani, Raunak – 1-0 – Sarana, Alexey – G41 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 g6 5. g3 Bg7 6. Bg2 O-O 7. O-O Re8 8. Nc3 d6 9. b4 e4 10. dxe4 Nxe4 |
| World Blitz 2019 – Round 14.3 – Artemiev, Vladislav – 0-1 – Matlakov, Maxim – G939 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 d5 5. cxd5 Nxd5 6. e3 Be7 7. Qc2 a5 8. b3 f5 9. Bb2 Bf6 10. Be2 O-O |
| World Blitz 2019 – Round 14.8 – Kramnik, Vladimir – 1-0 – Socko, Bartosz – G982 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 g6 5. b4 d6 6. Bb2 Bg7 7. g3 O-O 8. Bg2 a6 9. O-O Be6 10. Nc3 Qc8 |
| World Blitz 2019 – Round 2.10 – Kramnik, Vladimir – 1-0 – Donchenko, Alexander – G82 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 d5 5. cxd5 Nxd5 6. e3 Be6 7. Qc2 Be7 8. b4 a6 9. Bb2 f6 10. Be2 O-O |
| World Blitz 2021 – Round 14.17 – Muradli, Mahammad – 1-0 – Matlakov, Maxim – G814 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 g6 5. Nc3 Bg7 6. Bg5 h6 7. Bxf6 Bxf6 8. g3 d6 9. Bg2 Bg7 10. O-O O-O |
| World Blitz 2022 – Round 3.6 – Muradli, Mahammad – 0-1 – Duda, Jacob – G170 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 d5 5. cxd5 Nxd5 6. e4 Nb6 7. Be3 g6 8. Be2 Bg7 9. O-O O-O 10. Nbd2 a5 |
| World Blitz 2022 – Round 6.58 – Moussard, Jules – 1-0 – Sankalp Gupta – G329 1. c4 e5 2. d3 Nf6 3. a3 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. e3 a5 7. b3 Be6 8. Bb2 f6 9. Nbd2 Be7 10. Be2 O-O |
| World Blitz 2023 – Round 1.20 – Abdisalimov, Abdimalik – 0-1 – Anton Guijarro, David – G22 1. c4 e5 2. d3 f5 3. g3 Nf6 4. Bg2 Be7 5. Nc3 O-O 6. e3 c6 7. Nf3 d6 8. O-O a5 9. b3 h6 10. Bb2 Be6 |
| World Blitz 2023 – Round 10.10 – Sadhwani, Raunak – 1-0 – Ponkratov, Pavel – G555 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 d5 5. cxd5 Nxd5 6. Qc2 Bg4 7. Nbd2 Qd7 8. e3 Be7 9. Be2 a5 10. b3 f6 |
| World Blitz 2023 – Round 11.11 – Korobov, Anton – 1/2-1/2 – Makhnev, Denis – G615 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 g6 5. b4 d6 6. Bb2 Bg7 7. e3 O-O 8. Nbd2 Ne8 9. Qc2 f5 10. Be2 Kh8 |
| World Blitz 2023 – Round 11.20 – Bocharov, Dmitry – 1-0 – Idani, Pouya – G631 1. c4 e5 2. d3 d6 3. Nc3 f5 4. g3 Nf6 5. Bg2 Be7 6. e3 O-O 7. Nge2 c6 8. O-O Be6 9. f4 Nbd7 10. b3 Rc8 |
| World Blitz 2023 – Round 17.29 – Korobov, Anton – 1-0 – Ivic, Velimir – G974 1. c4 e5 2. d3 Bb4+ 3. Nd2 c5 4. Nf3 Nc6 5. e3 d6 6. Be2 f5 7. O-O Nf6 8. g3 O-O 9. Nb3 Ba5 10. Nxa5 Qxa5 1-0 |
| World Blitz 2023 – Round 6.7 – Korobov, Anton – 1-0 – Vrolijk, Liam – G375 1. c4 e5 2. d3 Bb4+ 3. Nd2 c5 4. Nf3 Nc6 5. e3 Nge7 6. Be2 O-O 7. O-O Ba5 8. Ne4 Bb6 9. Nd6 Bc7 10. Nxc8 Rxc8 |
| World Rapid 2021 – Round 10.30 – Muradli, Mahammad – 0-1 – Demchenko, Aleksandr – G586 1. c4 e5 2. d3 g6 3. g3 Bg7 4. Bg2 d6 5. Nc3 Nf6 6. Rb1 a5 7. a3 O-O 8. Nf3 c6 9. O-O h6 10. c5 dxc5 |
| World Rapid 2021 – Round 3.14 – Wojtaszek, Radoslaw – 1/2-1/2 – Hovhannisyan, Razmik – G139 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 d5 5. cxd5 Nxd5 6. e3 g5 7. h3 Bg7 8. Be2 h5 9. Nfd2 g4 10. hxg4 hxg4 |
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