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
bR
bN
bBFou enfermé — mobilité 0
bQ
bKRoi au centre — vulnérable
bBFou enfermé — mobilité 5
bN
bR
bP
bP
bP
bP
bP
bP
bP
bP
wP
wPPion central
wP
wP
wP
wP
wP
wP
wR
wN
wBFou actif — mobilité 5
wQ
wK
wB
wN
wR
abcdefgh
Atouts. Les Blancs s'appuient sur 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 (les cavaliers b1 et g1, les fous c1 et f1 et les tours a1 et 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
wR
wN
wBFou enfermé — mobilité 0
wKRoi au centre — doit roquer
wQ
wBFou enfermé — mobilité 5
wN
wR
wP
wP
wP
wP
wP
wP
wP
wP
bP
bP
bP
bP
bP
bP
bP
bP
bR
bN
bBFou actif — mobilité 5
bK
bQ
bB
bN
bR
hgfedcba
Atouts. Les Noirs s'appuient sur la paire de fous.

Côté adverse. Les fous enfermés en c1 et f1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les cavaliers b8 et 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) ; ...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
1939 Leningrad/Moscow – Round 11 – Ragozin, Viacheslav – 0-1 – Kan, Ilya A – G79
1. c4 e5 2. d3 Nf6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 Nc6 6. g3 d6 7. Bg2 Bg4 8. h3 Bh5 9. O-O O-O 10. Qb3 Rb8
1954 URS Ch sf Leningrad RUS – Round 12 – Lutikov, Anatoly S – 0-1 – Kondratiev, Pavel E – G16
1. d3 e5 2. c4 g6 3. Nc3 Bg7 4. g3 Ne7 5. Bg2 O-O 6. h4 h6 7. Bd2 d6 8. Qc1 Kh7 9. Nf3 Nbc6 10. h5 g5
1955 Moscow Ch – Round 13 – Lebedev, Boris – 0-1 – Flohr, Salo – G79
1. c4 e5 2. d3 Ne7 3. a3 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. e4 Nb6 7. Be2 Bg4 8. Nbd2 Be7 9. O-O O-O 10. h3 Be6
1957 Danmarksmesterskabet – Round 3 – Ingerslev, Aage – 1-0 – Haahr, Thorkild – G7
1. c4 e5 2. d3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. g3 Be7 7. Bg2 Be6 8. O-O O-O 9. a3 Re8 10. Ne4 Qd7
1961 Balcarce – Round 1 – Rossetto, Hector – 1-0 – Bielicki, Carlos – G2
1. d3 e5 2. c4 d6 3. g3 g6 4. Bg2 Bg7 5. Nc3 Nd7 6. Rb1 f5 7. Nh3 Ne7 8. O-O O-O 9. Bd2 Nf6 10. Qc1 Kh8
1961 Katowice ch18-POL – Round 1 – Klaput, Edward – 0-1 – Sliwa, Bogdan – G1
1. c4 e5 2. d3 f5 3. d4 exd4 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Nbxd2 c5 7. b4 d6 8. e3 Qe7 9. Be2 dxe3 10. fxe3 Qxe3
2024 Superbet Chess Blitz – 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
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
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
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 – Round 21 – Vachier-Lagrave Maxime – 1-0 – Firouzja Alireza – G102
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Re8 10. d4 Bb7
2024 SuperUnited Rapid & Blitz Croatia – Round 23 – Giri Anish – 0-1 – Vachier-Lagrave Maxime – G114
1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Nbd7 5. Bf4 Bb4 6. cxd5 exd5 7. e3 Ne4 8. Qc2 O-O 9. Bd3 Ndf6 10. O-O Bxc3
4. Sinquefield Cup 2016 – Round 7.3 – Topalov, Veselin – 1/2-1/2 – Giri, Anish – 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 – 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 – Round R2 Classical 2 – Grebnev Aleksey – 1-0 – Navara David – G322
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be6 6. e3 c6 7. Bd3 Nbd7 8. f3 Be7 9. Nge2 Nh5 10. Bxe7 Qxe7
FIDE World Rapid Championship 2025 – 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 – 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 – 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
A20b — King’s
1.c4 e5 2.d3
Eval: [+0.09]
Les coups candidats
2…Nf6 — 46.3% (850 parties)
Ambassadeurs : Bocharov, Dmitry (13x), Reimann, Guenther (12x), Demeter, Peter (12x), Caruana, Fabiano (12x), Gumularz, Szymon (9x), Csom, Istvan (8x), Groh, Jiri (7x), Doluhanova, Evgeniya (7x)
2…Nc6 — 24.3% (446 parties)
Ambassadeurs : Groh, Jiri (10x), Bocharov, Dmitry (8x), Snikkers, Naomi (7x), Csom, Istvan (5x), Han Wong, Ingrid (4x), Jakubowski, Karl (4x), Hartsteen, Mark (4x), Solyomvari, Roxanne (4x)
2…Bb4+ — 6.4% (117 parties)
Ambassadeurs : Korobov, Anton (6x), Csom, Istvan (5x), Topalov, Veselin (4x), Kokarev, Dmitry (3x), Gumularz, Szymon (3x), Gavrikov, Viktor (2x), Karolyi, Tibor (2x), Bosboom, Manuel (2x)
2…f5 — 5.7% (104 parties)
Ambassadeurs : Demeter, Peter (7x), Groh, Jiri (2x), Ludvigsen, Jan Helge (2x), Andersen, Harry (2x), Arge, Eilif M (2x), Reimann, Guenther (2x), Zhou, Jianchao (2x), Idani, Pouya (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 2…Nf6 2…Nc6 2…Bb4+ 2…f5
<1800 86 50% 21% 2% 8%
1800-2200 522 45% 28% 3% 6%
2200-2600 630 45% 25% 9% 6%
2600+ 136 60% 8% 17% 3%
Évolution par décennie (% des parties)
Décennie N parties 2…Nf6 2…Nc6 2…Bb4+ 2…f5
1930s 2 50% 50%
1940s 2 50% 50%
1950s 11 27% 18% 9%
1960s 5 20% 20%
1970s 19 37% 21% 11%
1980s 31 26% 32% 13% 10%
1990s 205 43% 26% 5% 5%
2000s 476 41% 26% 4% 8%
2010s 646 49% 26% 3% 6%
2020s 439 52% 19% 14% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
2…Nf6 49% 52% ▲ +2.9%
2…Nc6 26% 19% ▼ -7.3%
2…Bb4+ 3% 14% ▲ +10.3%
2…f5 6% 3% ▼ -3.4%
Joueurs célèbres
Champions du monde dans cette position
Kramnik, Vladimir — 8 parties
Anand, Viswanathan — 5 parties
Gukesh D — 2 parties
Karpov, Anatoly — 1 partie
Parties historiques
2…Nf6 — 46.3% (850 parties)
1939 — Ragozin, Viacheslav vs Kan, Ilya A — 0-1 — Leningrad RUS
1947 — Abramov, Lev vs Podolny, Evgeni — 1-0 — Moscow RUS
1950 — Canali, Adrien vs Magrin, Antonio — 1/2-1/2 — Milan ITA
1951 — Larsen, Bent vs Hammartang, Agne — 1-0 — Trondheim NOR
1957 — Ingerslev, Aage vs Haahr, Thorkild — 1-0 — Odense DEN
2…Nc6 — 24.3% (446 parties)
1947 — Stoeckl, Ernst vs Kellner, Adolf — 1/2-1/2 — Vienna AUT
1952 — Larsen, Bent vs Lindgard, Gayte — 1-0 — Trondheim NOR
1952 — Madsen, Edward vs Johansson, Ingemar 1966 — 0-1 — Helsinki olm
1971 — Schoeneberg, Manfred vs Schmidt, Hannah — 1-0 — Strasbourg ch20-DDR
1975 — Matera, Salvatore vs Haag, Ervin — 1/2-1/2 — Birmingham ENG
2…Bb4+ — 6.4% (117 parties)
1975 — Cafferty, Bernard vs Bisguier, Arthur B — 0-1 — Birmingham ENG
1975 — Miles, Anthony J vs Corden, Martyn J — 1/2-1/2 — Birmingham ENG
1983 — Gulko, Boris vs Gavrikov, Viktor — 1/2-1/2 — Klaipeda
1983 — Usurpator vs Storm Alvarez, Ailen — 1/2-1/2 — Leiden NED
1985 — Chernin, Alexander vs Gavrikov, Viktor — 1/2-1/2 — Riga ch-URS / zt
2…f5 — 5.7% (104 parties)
1937 — Boros, Samuel vs Gereben, Erno — 1-0 — Budapest m
1959 — Vukovic, Sara vs Djantar, Djordje — 1/2-1/2 — Kragujevac ch14-YUG
1961 — Klaput, Edward vs Sliwa, Bogdan — 0-1 — Katowice ch18-POL
1982 — Timar, Bela vs Timar, Zsolt — 0-1 — Berettyoujfalu
1984 — Toth, Christian Endre vs Terzian, Francisco Antonio — 0-1 — Cabo Frio

Fin du contenu

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