A20t — English: King’s, 2.g3 Nf6 3.Bg2 c6

1.c4 e5 2.g3 Nf6 3.Bg2 c6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur un fou actif en g2 et 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, le fou c1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Nc3 (Développer Nb1) ; Nf3 (Développer Ng1) ; d3 (Libérer Bc1).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la paire de fous.

Côté adverse. Le fou enfermé en c1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, 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) ; ...Be7 (Développer Bf8) ; ...c5 (Rupture) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● b7→c6, d7→c6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	—	● d4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bg2	● Bg2 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	5 (b1, g1, c1, 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	semi-ouvert
Ruptures	● c4-c5, ● d2-d3, ● e2-e3, ● f2-f3	● …c6-c5, ● …d7-d6, ● …d7-d5, ● …e5-e4

Partie
1. GRENKE Chess Classic 2013 – Round 7.2 – Adams, Michael – 1/2-1/2 – Naiditsch, Arkadij – G17 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 e4 5. Nc3 d5 6. Bg5 Nbd7 7. cxd5 cxd5 8. Qb3 h6 9. Bf4 g5 10. Be5 Bg7
10. London Classic 2018 – Round 1.3 – Nakamura, Hikaru – 1/2-1/2 – Caruana, Fabiano – G5 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nc2 d5 7. O-O dxc4 8. Nc3 Na6 9. d3 exd3 10. exd3 Be7
19. European Teams 2013 – Round 1.10 – Meier, Georg – 1/2-1/2 – Raznikov, Danny – G5 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 d6 7. Nc3 O-O 8. e4 Nbd7 9. Nge2 a6 10. O-O b5
19. European Teams 2013 – Round 9.4 – Zhigalko, Andrey – 1/2-1/2 – Balogh Urbina, Carlos Alfonso – G322 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qxd5 7. e3 Qe5 8. Nc3 Bc5 9. d3 exd3 10. Qxd3 O-O
1951 HUN Ch 07th – Round ? – Bakonyi, Elek – 1-0 – Szilagyi, Gyorgy Laszlo – G10 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 exd4 5. Qxd4 d5 6. Nc3 Be6 7. cxd5 cxd5 8. Nf3 Nc6 9. Qa4 Qb6 10. O-O O-O-O
1957 Reykjavik – Round 1 – Benko, Pal – 0-1 – Tal, Mikhail – G2 1. c4 Nf6 2. g3 e5 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qxd5 7. Nc2 Qh5 8. h3 Bc5 9. Nc3 Qf5 10. Ne3 Bxe3
1957 Sombor – Round 2 – Milic, Borislav – 1/2-1/2 – Rakic, Tomislav – G37 1. c4 Nf6 2. g3 e5 3. Bg2 c6 4. e4 Bc5 5. Nc3 d6 6. Na4 Bd4 7. Ne2 Be6 8. Nxd4 exd4 9. b3 O-O 10. O-O b5
1958 COL Ch – Round 3 – Munoz, Francisco – 1/2-1/2 – Alvarez Martin, Pedro – G6 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nc2 d5 7. Nc3 Bf5 8. d3 exd3 9. exd3 dxc4 10. dxc4 Be7
1958 HUN Ch 14th – Round 9 – Bilek, Istvan – 1/2-1/2 – Kluger, Gyula – G23 1. g3 Nf6 2. Bg2 e5 3. c4 c6 4. d4 exd4 5. Qxd4 d5 6. Nf3 Be7 7. cxd5 cxd5 8. O-O Nc6 9. Qa4 O-O 10. Nc3 Qb6
1960 It Bad Salzungen GER – Round 4 – Lengyel, Levente – 0-1 – Golz, Werner – G18 1. g3 e5 2. c4 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. Nc3 Nc6 8. Nxc6 bxc6 9. d3 exd3 10. Qxd3 Be7
1961 Budapest ch-HUN – Round 1 – Haag, Ervin – 1/2-1/2 – Lengyel, Laszlo – G3 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qxd5 7. Nc2 Bc5 8. d4 Bb6 9. Nc3 Qf5 10. O-O O-O
1961 Marianske Lazne zt – Round 1 – Uhlmann, Wolfgang – 1-0 – Gragger, Anton Fritz – G3 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Bc5 8. Nb3 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O
1961 Warsaw – Round 1 – Podolsky, Horst – 0-1 – Zinn, Lothar – G1 1. c4 c6 2. g3 e5 3. Bg2 Nf6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qxd5 7. Nc2 Qh5 8. h3 Bc5 9. b4 Bb6 10. Bb2 Nbd7
1962 Varna olm – Round 8 – Olafsson, Fridrik – 1-0 – Sliwa, Bogdan – G181 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nc2 d5 7. cxd5 cxd5 8. d3 Be6 9. Nc3 exd3 10. Qxd3 Nc6
1963 Hoogovens – Round 13 – Pirc, Vasja – 0-1 – Bronstein, David I – G108 1. g3 e5 2. Bg2 Nf6 3. c4 c6 4. Nf3 d6 5. O-O Bg4 6. Nc3 Nbd7 7. d4 Be7 8. d5 O-O 9. h3 Bh5 10. dxc6 bxc6
1963 POL Ch 20th – Round 1 – Plater, Kazimierz – 1/2-1/2 – Balcerowski, Witold – G7 1. g3 e5 2. c4 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nc2 Bc5 7. O-O d5 8. Nc3 O-O 9. Na4 Qa5 10. Nxc5 Qxc5
1963 Rubinstein Memorial – Round 2 – Sliwa, Bogdan – 0-1 – Padevsky, Nikola – G9 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 Bc5 6. Nb3 Bb6 7. c5 Bc7 8. Nc3 a5 9. Nxe4 a4 10. Nd4 O-O
1964 DEN Ch Holstebro – Round 6 – Andersen, Borge – 1-0 – Jacobsen, Ole Dr – G19 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nc2 d5 7. cxd5 cxd5 8. O-O Nc6 9. d3 Be7 10. dxe4 dxe4
1964 UKR Ch – Round 11 – Kostiuchenko, Alexander – 1/2-1/2 – Shianovsky, Vladislav I – G69 1. g3 e5 2. c4 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Bb4+ 8. Nc3 O-O 9. O-O Re8 10. Bg5 Bxc3
1966 Panamerican – Round 1 – Gadia, Olicio – 1-0 – Schweber, Samuel – G3 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. e3 d5 5. b3 Nbd7 6. Ne2 Bd6 7. d3 Qe7 8. Nbc3 d4 9. exd4 exd4 10. Na4 O-O
1967 URS Team Ch – Round 1 – Roizman, Abram Y – 1-0 – Noskov, Anatoly – G9 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 exd4 5. Qxd4 d5 6. cxd5 cxd5 7. Nf3 Nc6 8. Qa4 Bc5 9. O-O O-O 10. Nbd2 Re8
1968 Hastings6869 – Round 3 – Hartoch, Robert G – 1/2-1/2 – Persitz, Raaphi – G17 1. g3 Nf6 2. Bg2 e5 3. c4 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. O-O Nc6 8. Nxc6 bxc6 9. d3 exd3 10. exd3 Be7
1968 Lugano olm - Round 1 - Suttles, Duncan - 1-0 - O'Riordan, Kenneth - G460 1. g3 e5 2. Bg2 Nf6 3. c4 c6 4. d4 exd4 5. Qxd4 d6 6. Nc3 Na6 7. Nh3 Be7 8. O-O O-O 9. Nf4 Nc5 10. b3 Re8
1969 Hoogovens-B – Round 6 – Ujtelky, Maximilian – 1-0 – Jongsma, Alexander – G32 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. b3 d5 5. Bb2 Bc5 6. e3 Qe7 7. Ne2 e4 8. O-O Bf5 9. Nbc3 dxc4 10. bxc4 Na6
1969 Luhacovice – Round 8 – Plachetka, Jan – 0-1 – Keres, Paul – G65 1. c4 Nf6 2. g3 e5 3. Bg2 c6 4. d4 exd4 5. Qxd4 d5 6. Nc3 dxc4 7. Qxc4 Be6 8. Qa4 Nbd7 9. Nf3 Nc5 10. Qc2 Qc8
1969 New York ch-USA – Round 10 – Byrne, David – 1/2-1/2 – Saidy, Anthony – G51 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. O-O Nc6 8. Nxc6 bxc6 9. d3 exd3 10. Qxd3 Be7
1969 Praia da Rocha zt – Round 4 – Schumacher, Helmut – 0-1 – Hartston, William R – G11 1. g3 e5 2. c4 Nf6 3. Bg2 c6 4. d4 exd4 5. Qxd4 d5 6. Bg5 Be7 7. cxd5 cxd5 8. Nf3 Nc6 9. Qd1 O-O 10. O-O Re8
1970 Palma de Mallorca Interzonal – Round 11 – Filip, Miroslav – 0-1 – Portisch, Lajos – G10 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qxd5 7. Nc2 Qh5 8. Ne3 Bh3 9. Nc3 Bxg2 10. Nxg2 Na6
2024 SuperUnited Rapid & Blitz Croatia – Round 6 – Caruana Fabiano – 1/2-1/2 – So Wesley – G28 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 Qb6 6. e3 d5 7. Nc3 Bg4 8. Qb3 Na6 9. cxd5 Qxb3 10. axb3 cxd5
2026 Tata Steel Chess Masters - Round 11.1 - Praggnanandhaa R - 0-1 - Keymer, Vincent - G71 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 d6 5. Nc3 Na6 6. d5 cxd5 7. cxd5 g6 8. Nf3 Bg7 9. O-O Bd7 10. Ne1 h5
2026 Tata Steel Chess Masters - Round 7.7 - Erigaisi Arjun - 0-1 - Erdogmus, Yagiz Kaan - G49 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. d3 Qb6 7. Nb3 Ng4 8. O-O e3 9. f3 Nf2 10. Qc2 Nh3+
36. Olympiad 2004 – Round 8 – Granda Zuniga, Julio E – 1/2-1/2 – Rohl Montes, Juan Armando – G262 1. c4 Nf6 2. g3 e5 3. Bg2 c6 4. d4 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 d6 7. Nc3 O-O 8. e3 Be6 9. d5 cxd5 10. cxd5 Bd7
41. Olympiad Open 2014 – Round 1.4 – Mwali, Chitumbo – 0-1 – Edouard, Romain – G53 1. c4 Nf6 2. g3 e5 3. Bg2 c6 4. d4 e4 5. Nc3 d5 6. cxd5 cxd5 7. Bg5 Bb4 8. Nh3 Bxc3+ 9. bxc3 Nbd7 10. O-O h6
41. Olympiad Open 2014 – Round 3.11 – Ding, Liren – 1-0 – Balogh Urbina, Carlos Alfonso – G178 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qxd5 7. e3 Qe5 8. f4 exf3 9. Nxf3 Qh5 10. O-O Be7
41. Olympiad Open 2014 – Round 6.4 – Dominguez Perez, Leinier – 1/2-1/2 – Ismagambetov, Anuar – G440 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 exd4 5. Qxd4 d5 6. Nf3 Be7 7. O-O O-O 8. cxd5 cxd5 9. Nc3 Nc6 10. Qa4 Be6
42. Olympiad 2016 – Round 10.5 – Kovalyov, Anton – 1-0 – Kovalenko, Igor – G738 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 exd4 5. Qxd4 d5 6. Nf3 Be6 7. cxd5 cxd5 8. O-O Nc6 9. Qd3 h6 10. a3 Be7
42. Olympiad 2016 – Round 10.9 – Vallejo Pons, Francisco – 1-0 – Papaioannou, Ioannis CS – G745 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 e4 5. d5 cxd5 6. cxd5 Bb4+ 7. Bd2 Bxd2+ 8. Qxd2 O-O 9. Nc3 Re8 10. Qd4 d6
5. Sinquefield Cup 2017 – Round 9.5 – Svidler, Peter – 1-0 – Caruana, Fabiano – G45 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nb3 a5 7. d3 a4 8. N3d2 d5 9. cxd5 exd3 10. O-O cxd5
7. Norway Chess 2019 – Round 6.1 – Carlsen, Magnus – 1/2-1/2 – Ding, Liren – G25 1. c4 Nf6 2. g3 e5 3. Bg2 c6 4. d4 e4 5. Qb3 d5 6. Nc3 dxc4 7. Qxc4 b5 8. Qb3 Qxd4 9. Be3 Qb4 10. Bd2 Qxb3
7. Sinquefield Cup 2019 – Round 5.1 – So, Wesley – 1/2-1/2 – Caruana, Fabiano – G25 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nb3 a5 7. d3 a4 8. N3d2 Bc5 9. O-O e3 10. fxe3 Bxe3+
9. Sinquefield Cup 2022 – Round 6.4 – Firouzja, Alireza – 1-0 – Mamedyarov, Shakhriyar – G27 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qxd5 7. Nc2 Qh5 8. h3 Qg6 9. Nc3 Bc5 10. b4 Bb6
9. Sinquefield Cup TB 2022 – Round 2 – Firouzja, Alireza – 1-0 – Nepomniachtchi, Ian – G2 1. c4 Nf6 2. g3 e5 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qxd5 7. e3 Na6 8. d3 Bb4+ 9. Nc3 Bxc3+ 10. bxc3 Nc5
Amber Blindfold 2005 – Round 1 – Leko, Peter – 0-1 – Svidler, Peter – G1 1. c4 Nf6 2. g3 e5 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qxd5 7. Nc2 Qh5 8. h3 Na6 9. Nc3 Qg6 10. Ne3 Bc5
Amber Rapid 2005 – Round 11 – Topalov, Veselin – 1-0 – Svidler, Peter – G28 1. c4 Nf6 2. g3 e5 3. Bg2 c6 4. d4 exd4 5. Qxd4 d5 6. Nf3 Be7 7. cxd5 cxd5 8. O-O Nc6 9. Qa4 O-O 10. Be3 Ne4
Baku FIDE Grand Prix 2014 – Round 1.1 – Mamedyarov, Shakhriyar – 1/2-1/2 – Radjabov, Teimour – G1 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 d6 7. Nc3 O-O 8. e3 Be6 9. Rd1 Na6 10. b3 exd4
Belgrade 1987 – Round 1 – Korchnoi, Viktor – 0-1 – Timman, Jan H – G1 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 exd4 5. Qxd4 d5 6. cxd5 cxd5 7. Nf3 Nc6 8. Qa4 Bc5 9. O-O O-O 10. Bg5 Re8
Croatia GCT 2019 – Round 4.3 – So, Wesley – 1/2-1/2 – Anand, Viswanathan – G21 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 e4 5. Bg5 d5 6. Bxf6 Qxf6 7. Nc3 Bb4 8. e3 O-O 9. Ne2 Be6 10. O-O Qe7
FIDE Grand Prix 3 playoff 2022 – Round 1.4 – Mamedyarov, Shakhriyar – 0-1 – Nakamura, Hikaru – G7 1. c4 Nf6 2. g3 e5 3. Bg2 c6 4. d4 exd4 5. Qxd4 Na6 6. Nc3 Bc5 7. Qd1 O-O 8. Nf3 d6 9. O-O Be6 10. b3 d5
FIDE WCh KO 2001 – Round 3.2 – Ivanchuk, Vasyl – 1-0 – Sutovsky, Emil – G263 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 d6 7. Nc3 O-O 8. e3 Be6 9. b3 exd4 10. Qxd4 d5
FIDE World Cup 2015 – Round 2.3 – Grischuk, Alexander – 1/2-1/2 – Fedoseev, Vladimir – G266 1. c4 Nf6 2. g3 e5 3. Bg2 c6 4. d4 exd4 5. Qxd4 Na6 6. Nf3 Bc5 7. Qe5+ Be7 8. O-O O-O 9. Nc3 Re8 10. Rd1 Bc5
FIDE World Cup 2017 – Round 1.2 – Wang, Hao(ZJWZ) – 1-0 – Debraj Sengupta – G64 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. d3 Bc5 7. Nb3 Bb4+ 8. Bd2 Bxd2+ 9. Qxd2 dxc4 10. dxc4 Qe7
FIDE World Cup 2017 – Round 1.5 – Howell, David W L – 1/2-1/2 – Aditya Tari – G170 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. d3 Qb6 7. Nb3 1/2-1/2
FIDE World Cup 2019 – Round 2.4 – Giri, Anish – 1/2-1/2 – Najer, Evgeniy – G274 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. d3 Bc5 7. Nb3 Bb4+ 8. Bd2 Bxd2+ 9. Qxd2 dxc4 10. dxc4 Qe7
FIDE World Cup 2019 – Round 2.5 – Giri, Anish – 1/2-1/2 – Najer, Evgeniy – G288 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. d3 Bc5 7. Nb3 Bb4+ 8. Bd2 Bxd2+ 9. Qxd2 dxc4 10. dxc4 Qe7
GCT Blitz Paris 2017 – Round 8.2 – Topalov, Veselin – 0-1 – Caruana, Fabiano – G37 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nb3 a5 7. d3 a4 8. N3d2 d5 9. dxe4 dxe4 10. e3 Bg4
GCT Blitz Paris 2021 – Round 13.3 – Svidler, Peter – 1/2-1/2 – So, Wesley – G61 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nb3 a5 7. d3 a4 8. N3d2 Bc5 9. O-O e3 10. fxe3 Bxe3+
Interpolis 1981 – Round 1 – Andersson, Ulf 1949 – 1-0 – Portisch, Lajos – G2 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 exd4 5. Qxd4 d5 6. cxd5 cxd5 7. Nf3 Nc6 8. Qd1 Bc5 9. O-O O-O 10. Bg5 h6
Interpolis 1981 – Round 1 – Larsen, Bent – 0-1 – Huebner, Robert – G3 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 exd4 5. Qxd4 d5 6. Nf3 dxc4 7. Qxc4 Be7 8. O-O O-O 9. Qc2 Na6 10. a3 Qa5
Lindores Abbey Stars 2019 – Round 5.1 – Ding, Liren – 0-1 – Anand, Viswanathan – G9 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. d3 Bc5 7. Nb3 Bb6 8. cxd5 Qxd5 9. O-O Qf5 10. Nc3 exd3
Luzern olm 1982 – Round 14 – Ost-Hansen, Jacob – 1/2-1/2 – Tal, Mikhail – G66 1. g3 e5 2. c4 Nf6 3. Bg2 c6 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Nf3 Nbd7 8. Nc3 1/2-1/2
Norway Chess 2024 - Round 2 - Ding, Liren - 1/2-1/2 - Praggnanandhaa R - G9 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. d3 Bc5 7. Nb3 Bb6 8. cxd5 cxd5 9. dxe4 Nxe4 10. O-O O-O
Olympiad 2002 – Round 10 – Rowson, Jonathan – 0-1 – Bologan, Victor – G318 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 e4 5. Nc3 d5 6. Bg5 Bb4 7. Qb3 Bxc3+ 8. Qxc3 O-O 9. e3 Nbd7 10. cxd5 cxd5
RUS Ch Superfinal 2005 – Round 2 – Morozevich, Alexander – 1/2-1/2 – Rublevsky, Sergei – G7 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 e4 7. Nc3 d5 8. cxd5 cxd5 9. f3 exf3 10. exf3 O-O
Saint Louis Blitz 2017 – Round 5.5 – Navara, David – 0-1 – Caruana, Fabiano – G25 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nb3 a5 7. d3 a4 8. N3d2 d5 9. cxd5 exd3 10. O-O cxd5
Saint Louis Blitz 2017 – Round 8.3 – Aronian, Levon – 0-1 – Caruana, Fabiano – G38 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 Qb6 6. e3 d5 7. Nc3 Bg4 8. f3 exf3 9. Bxf3 Bxf3 10. Qxf3 dxc4
Saint Louis Blitz 2022 – Round 16.4 – Firouzja, Alireza – 1-0 – Mamedyarov, Shakhriyar – G79 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 e4 5. a3 d5 6. Nc3 Be7 7. Bg5 Nbd7 8. Qb3 O-O 9. e3 h6 10. Bxf6 Nxf6
SportAccord Blitz Men 2013 – Round 17.7 – Leko, Peter – 0-1 – Vachier-Lagrave, Maxime – G132 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 exd4 5. Qxd4 Na6 6. Nc3 Bc5 7. Qd1 O-O 8. Nf3 Re8 9. O-O d6 10. b3 Bf5
SportAccord Rapid Men 2013 – Round 5.6 – Ivanchuk, Vasyl – 0-1 – Vachier-Lagrave, Maxime – G38 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qxd5 7. Nc2 Qh5 8. h4 Bc5 9. Nc3 Qg6 10. b4 Bb6
Superbet Blitz 2019 – Round 2.5 – So, Wesley – 1/2-1/2 – Giri, Anish – G10 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 e4 5. Bg5 d5 6. Bxf6 Bb4+ 7. Nc3 Qxf6 8. e3 Bxc3+ 9. bxc3 Qe7 10. cxd5 cxd5
Superbet Chess Classic Romania 2025 – Round 5 – Abdusattorov Nodirbek – 1/2-1/2 – Deac Bogdan-Daniel – G24 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 d6 7. Nc3 O-O 8. e3 Be6 9. Rd1 Na6 10. b3 exd4
Tata Steel India Rapid 2018 – Round 3.4 – Mamedyarov, Shakhriyar – 1-0 – Ganguly, Surya Shekhar – G14 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Bc5 8. Nb3 Bb6 9. O-O O-O 10. Nc3 Bf5
Tilburg Fontys 1998 – Round 10 – Topalov, Veselin – 1/2-1/2 – Van Wely, Loek – G27 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 d6 7. Nc3 O-O 8. e3 exd4 9. Qxd4 Qb6 10. Qxb6 axb6
World Blitz 2015 – Round 14.62 – Bezold, Michael – 0-1 – Nikolic, Predrag – G898 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 e4 5. Nc3 d5 6. Bg5 Bb4 7. Qb3 Bxc3+ 8. bxc3 Nbd7 9. cxd5 cxd5 10. c4 h6
World Blitz 2015 – Round 15.49 – Swiercz, Dariusz – 1-0 – Stefansson, Hannes – G950 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. d3 Bb4+ 7. Bd2 Bxd2+ 8. Qxd2 O-O 9. cxd5 cxd5 10. Nc3 exd3
World Blitz 2015 – Round 18.37 – Movsesian, Sergei – 1-0 – Kryvoruchko, Yuriy – G1124 1. g3 e5 2. c4 Nf6 3. Bg2 c6 4. d4 exd4 5. Qxd4 d5 6. Nf3 Be6 7. cxd5 cxd5 8. O-O Nc6 9. Qa4 Bc5 10. Nbd2 O-O
World Blitz 2015 – Round 20.56 – Papin, Vasily – 1/2-1/2 – Nikolic, Predrag – G1270 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 e4 5. d5 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 O-O 8. Nc3 Re8 9. e3 d6 10. h3 cxd5
World Blitz 2015 – Round 9.86 – Thiede, Lars – 0-1 – Stefansson, Hannes – G591 1. g3 e5 2. c4 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 Qb6 6. e3 Bc5 7. Nb3 Be7 8. Nc3 d5 9. cxd5 cxd5 10. O-O O-O
World Blitz 2016 – Round 20.21 – Aronian, Levon – 1-0 – Zhigalko, Sergei – G787 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 exd4 5. Qxd4 Na6 6. Nf3 Bc5 7. Qe5+ Be7 8. O-O O-O 9. Rd1 Re8 10. Qf4 Nc5
World Blitz 2016 – Round 8.37 – Neelotpal, Das – 1-0 – Fressinet, Laurent – G330 1. c4 Nf6 2. g3 e5 3. Bg2 c6 4. d4 e4 5. d5 Bb4+ 6. Bd2 Qe7 7. Nc3 O-O 8. Nh3 cxd5 9. cxd5 Na6 10. O-O h6
World Blitz 2018 – Round 16.25 – Popov, Valerij – 0-1 – Anand, Viswanathan – G943 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qxd5 7. Nb3 Qe5 8. Nc3 Be7 9. d4 exd3 10. Qxd3 O-O
World Blitz 2018 – Round 5.15 – Popov, Valerij – 0-1 – Zhigalko, Sergei – G275 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qxd5 7. Nb3 Qe5 8. Nc3 Be7 9. d4 exd3 10. Qxd3 O-O
World Blitz 2019 – Round 20.11 – Tomashevsky, Evgeny – 1/2-1/2 – Giri, Anish – G1327 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 Qb6 6. Nc2 d5 7. cxd5 cxd5 8. Nc3 Nc6 9. O-O Be7 10. d3 1/2-1/2
World Blitz 2022 – Round 3.51 – Ghaem Maghami, Ehsan – 0-1 – Yoo, Christopher Woojin – G166 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 e4 5. Nc3 Bb4 6. Bd2 Qe7 7. c5 Bxc3 8. bxc3 b6 9. cxb6 axb6 10. Qb3 b5
World Blitz 2023 – Round 15.93 – Vakhidov, Daler – 0-1 – Pranav, V – G895 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 e4 5. a3 d5 6. Nc3 h6 7. f3 exf3 8. Nxf3 dxc4 9. e4 Be7 10. a4 O-O
World Cup 1988 – Round 1 – Kasparov, Garry – 1/2-1/2 – Hjartarson, Johann – G2 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 exd4 5. Qxd4 d5 6. Nf3 Be7 7. cxd5 cxd5 8. O-O Nc6 9. Qa4 O-O 10. Be3 Be6
World Cup 1989 – Round ? – Andersson, Ulf 1949 – 1/2-1/2 – Huebner, Robert – G85 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 exd4 5. Qxd4 d5 6. Nf3 dxc4 7. Qxc4 Be7 8. O-O O-O 9. Nc3 Be6 10. Qa4 Qc8
World Rapid 2016 – Round 13.6 – Aronian, Levon – 1/2-1/2 – Anand, Viswanathan – G517 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 e4 5. Nc3 d5 6. cxd5 cxd5 7. Nh3 Bb4 8. O-O Bxc3 9. bxc3 O-O 10. f3 exf3
World Rapid 2019 – Round 7.7 – Nepomniachtchi, Ian – 1-0 – Melkumyan, Hrant – G482 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 exd4 5. Qxd4 Na6 6. Nc3 Bc5 7. Qe5+ Be7 8. Nf3 O-O 9. O-O Re8 10. Qf4 Nc7

A20t — King’s

1.c4 e5 2.g3 Nf6 3.Bg2 c6

Eval: [+0.16]

Les coups candidats

4.d4 — 61.6% (4259 parties)

Ambassadeurs : Matamoros Franco, Carlos S. (19x), Kerr, Stephen G.R. (18x), Thomas, Tim P (16x), Newman, Nelson (15x), Suba, Mihai (14x), Owens, Johnny (13x), Bonoldi, Fabio (12x), Malinowski, Damian (11x)

4.Nf3 — 21.7% (1504 parties)

Ambassadeurs : Golcman, Evgeny (9x), Caruana, Fabiano (7x), Brunello, Sabino (7x), Godena, Michele (6x), Stewart, Ashley (6x), Kouskoutis, Georgios-Alexandros (6x), Frömbgen, Andreas (6x), Hallqvist, Niklas (6x)

4.Nc3 — 9.3% (645 parties) →

Ambassadeurs : Markowski, Tadeusz (9x), Owens, Johnny (9x), Collins, Richard Arnold (5x), Milkowska, Ernesta (4x), Kemendi, Daniel (4x), Thiel, Kay (4x), Rutter, Blair A (4x), WoodPusher (3x)

4.d3 — 2.5% (176 parties)

Ambassadeurs : Petran, Peter (4x), Sunye Neto, Jaime (2x), Bronstein, Luis Marcos (2x), Stojanovski, Sandi (2x), greger roland (2x), Galego, Luis (2x), Troyke, Christian (2x), Keber, Ernst (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4.d4	4.Nf3	4.Nc3	4.d3
<1800	246	52%	12%	24%	3%
1800-2200	2331	62%	18%	12%	3%
2200-2600	3190	65%	26%	4%	2%
2600+	172	56%	39%	2%	1%

Évolution par décennie (% des parties)

Décennie	N parties	4.d4	4.Nf3	4.Nc3	4.d3
1920s	1	—	100%	—	—
1940s	1	—	—	100%	—
1950s	10	30%	30%	20%	10%
1960s	46	17%	43%	26%	7%
1970s	110	17%	53%	16%	5%
1980s	221	51%	28%	8%	2%
1990s	638	58%	21%	10%	5%
2000s	1560	70%	12%	10%	2%
2010s	3148	66%	17%	10%	3%
2020s	1181	49%	42%	6%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4.d4	66%	49%	▼ -17.2%
4.Nf3	17%	42%	▲ +24.2%
4.Nc3	10%	6%	▼ -3.9%
4.d3	3%	1%	▼ -1.3%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 7 parties
Anand, Viswanathan — 6 parties
Ding, Liren — 5 parties
Carlsen, Magnus — 4 parties
Kasparov, Garry — 2 parties
Gukesh D — 2 parties
Euwe, Max — 1 partie
Botvinnik, Mikhail — 1 partie

Parties historiques

4.d4 — 61.6% (4259 parties)

1951 — Bakonyi, Elek vs Szilagyi, Gyorgy Laszlo — 1-0 — Budapest HUN
1957 — de Jager, Andreas vs Behle, Burkhard, Dr. — 1-0 — Bad Neuenahr GER
1958 — Bilek, Istvan vs Kluger, Gyula — 1/2-1/2 — Budapest HUN
1961 — Baeyertz, RE. vs Sarapu, O. — 0-1 — New Zealand ch
1966 — Abarca Rodriguez, Keisy Dariana vs Kavalek, Jiri — 1/2-1/2 — Olympiad Havana CUB

4.Nf3 — 21.7% (1504 parties)

1925 — Euwe, Max vs Kersten, Alexander — 1-0 — NLD-ch Amsterdam NED
1957 — Urseanu, Veniamin vs Alster, Ladislav — 0-1 — Ploiesti
1957 — Benko, Pal vs Tal, Mikhail — 0-1 — Reykjavik ISL
1958 — Munoz, Francisco vs Alvarez Martin, Pedro — 1/2-1/2 — Pereira
1960 — Lopez Navarro, Fermin vs Saborido Carre, Rafael — 1-0 — Lugo

4.Nc3 — 9.3% (645 parties)

1948 — Bidev, Pavle vs Pirc, Vasja — 0-1 — Rogaska Slatina
1958 — Hilde Peterson vs Tal, Michael — 0-1 — Latvia ch
1958 — Peterson, Andrejs vs Tal, Mikhail — 0-1 — Soviet Union
1960 — Peterson, Andrejs vs Tsirtsenis — 1/2-1/2 — Riga LAT
1960 — Gusev, Nikolay N vs Vasiukov, Evgeni — 0-1 — Odessa UKR

4.d3 — 2.5% (176 parties)

1957 — Bobekov, Radko vs Kadrev, Zdravko Minchev — 0-1 — Sofia BUL
1962 — Collins, Richard Arnold vs Ford, M G. — 1/2-1/2 — Southampton ENG
1965 — Hesse, Peter vs Brameyer, Hermann — 0-1 — Annaberg-Buchholz GER
1967 — Ruban, Evgeny vs Vasiukov, Evgeni — 0-1 — Leningrad RUS
1970 — Kupka, Slavoj vs From, Sigfred — 1-0 — Kapfenberg AUT

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