D20y — QGA: 3.e4 e5 4.Nf3 exd4 5.Bxc4 Nc6

1.d4 d5 2.c4 dxc4 3.e4 e5 4.Nf3 exd4 5.Bxc4 Nc6 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. O-O (Mettre le roi en sécurité, connecter les tours — 96 % des parties) ; Qb3 (Prépare O-O-O — 2 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...Be6 (Fou actif (mobilité 7), Développer c8 — 82 % des parties) ; ...Bc5 (Fou actif (mobilité 6), Développer f8 — 7 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	● d4
Majorité	—	● aile dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (2v1), ● g5 (2v1)	● b4 (2v0)
Cases faibles	● d4	—
Centre	● d5 (2v1)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c, ● d	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bc4	● Bc4 Actif (mob. 9)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (● b1, ● c1, ● a1, ● h1)	5 (● 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	mobile
Ruptures	—	● …f7-f5

Partie
? 1998 – Round ? – Dreev, Aleksey – 0-1 – Rublevsky, Sergei – G6 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Be6 7. Bxe6 fxe6 8. Qb3 Qd7 9. Qxb7 Rb8 10. Qa6 Nf6
11. Norway Chess 2023 – Round 7.2 – So, Wesley – 1-0 – Abdusattorov, Nodirbek – G32 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Qf6 7. Bg5 Qg6 8. Nbd2 Be7 9. Bf4 Nf6 10. Bb5 Bd6
1965 DDR Ch 15th – Round 17 – Moehring, Guenther – 1-0 – Csulits, Anton – G72 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Bg4 7. Qb3 Bd6 8. e5 Be7 9. Bxf7+ Kf8 10. e6 d3
1965 Hamburg etc – Round 1 – Kramer, Hanspeter – 0-1 – Aczel Szabo, Janos – G1 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. Qb3 Bb4+ 7. Bd2 Qe7 8. Bxb4 Qxb4+ 9. Qxb4 Nxb4 10. Nxd4 c5
1967 Budapest Bajnogsag 8th – Round 8 – Forintos, Gyozo V – 0-1 – Szilagyi, Gyorgy Laszlo – G48 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Be6 7. Bb5 Ne7 8. Nxd4 Bd7 9. Nf3 g6 10. Bg5 Bg7
1967 ROM Ch – Round 10 – Neamtu, Serban-Constantin – 1-0 – Fischer, Johann – G64 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Bc5 7. Ng5 Nh6 8. Nxf7 Nxf7 9. Bxf7+ Kxf7 10. Qh5+ g6
1975 Portoroz/Ljubljana – Round 9 – Gligoric, Svetozar – 1/2-1/2 – Osterman, Rudolf – G14 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Nf6 7. e5 Ne4 8. Re1 Nc5 9. Bg5 Be7 10. Bxe7 Qxe7
2026 Tata Steel Chess Masters - Round 1.7 - Erigaisi Arjun - 1-0 - Praggnanandhaa R - G7 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. Qb3 Bb4+ 7. Nbd2 Qf6 8. O-O Nge7 9. e5 Qg6 10. Nh4 Qh5
30. ECC Open 2014 – Round 1.1 – Radjabov, Teimour – 1-0 – Westerberg, Jonathan – G2 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Be6 7. Nbd2 Bxc4 8. Nxc4 Bc5 9. Qb3 Nge7 10. Qxb7 Rb8
4. Kings Tournament 2010 – Round 2 – Gelfand, Boris – 1/2-1/2 – Nisipeanu, Liviu-Dieter – G4 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Be6 7. Bb5 Bc5 8. Nbd2 Ne7 9. Ng5 Qd7 10. Ndf3 f6
41. Olympiad Open 2014 – Round 10.3 – Hammer, Jon Ludvig – 0-1 – Stevic, Hrvoje – G719 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Be6 7. Bxe6 fxe6 8. Qb3 Qd7 9. Qxb7 Rb8 10. Qa6 Nf6
41. Olympiad Open 2014 – Round 10.4 – Parligras, Mircea-Emilian – 0-1 – Balogh Urbina, Carlos Alfonso – G723 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Bc5 7. Ng5 Nh6 8. Nxf7 Nxf7 9. Bxf7+ Kxf7 10. Qh5+ g6
83. Tata Steel Masters 2021 – Round 5.4 – Giri, Anish – 1/2-1/2 – Harikrishna Paudyal – G35 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Be6 7. Nbd2 Bd6 8. Qb3 Qd7 9. Qxb7 Rb8 10. Qa6 Nge7
Amber Rapidplay 1999 – Round 4 – Karpov, Anatoly – 1/2-1/2 – Lautier, Joel – G19 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Nf6 7. e5 Ne4 8. Re1 Nc5 9. Bg5 Be7 10. Bxe7 Qxe7
Amber Rapidplay 1999 – Round 5 – Van Wely, Loek – 0-1 – Anand, Viswanathan – G26 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Be6 7. Bxe6 fxe6 8. Qb3 Qd7 9. Qxb7 Rb8 10. Qa6 Nf6
Amber-blindfold 06th 1997 – Round 3 – Topalov, Veselin – 1/2-1/2 – Anand, Viswanathan – G5 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Be6 7. Bxe6 fxe6 8. Qb3 Qd7 9. Qxb7 Rb8 10. Qa6 Nf6
Amber-blindfold 06th 1997 – Round 9 – Van Wely, Loek – 0-1 – Anand, Viswanathan – G12 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Be6 7. Bb5 Bc5 8. Qc2 Bb6 9. a4 a5 10. Bxc6+ bxc6
FIDE World Blitz Championship 2025 – Round 8 – A.R. Saleh Salem – 0-1 – Paravyan David – G155 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Be6 7. Nbd2 Qf6 8. Qa4 O-O-O 9. b4 Kb8 10. b5 Ne5
FIDE-Wch k.o. g/25+10 1999 – Round 2.4 – Sakaev, Konstantin – 0-1 – Lautier, Joel – G22 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Nf6 7. Qb3 Qd7 8. Bd2 a5 9. Re1 a4 10. Qb5 Nd8
It, Dortmund GER 1997 – Round 9 – Karpov, Anatoly – 1/2-1/2 – Anand, Viswanathan – G9 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Be6 7. Bxe6 fxe6 8. Qb3 Qd7 9. Qxb7 Rb8 10. Qa6 Nf6
It, Dos Hermanas ESP 1997 – Round 6 – Karpov, Anatoly – 1/2-1/2 – Anand, Viswanathan – G5 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Be6 7. Bxe6 fxe6 8. Qb3 Qd7 9. Qxb7 Rb8 10. Qa6 Nf6
Linares16th 1999 – Round 3 – Kasparov, Garry – 1/2-1/2 – Anand, Viswanathan – G2 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Be6 7. Bb5 Bc5 8. Nbd2 Qd6 9. e5 Qd5 10. Ng5 O-O-O
Olympiad 2002 – Round 3 – Radjabov, Teimour – 1-0 – Estrada Nieto, Julian – G61 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O a6 7. Bd5 Nb4 8. Qxd4 Nxd5 9. exd5 Nf6 10. Bg5 Be7
Vugar Gashimov Mem 2019 – Round 6.2 – Grischuk, Alexander – 1/2-1/2 – Radjabov, Teimour – G27 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Be6 7. Nbd2 Qf6 8. a3 Nge7 9. b4 Ng6 10. Bb5 Be7
World Blitz 2017 – Round 19.19 – Le, Quang Liem – 1-0 – Inarkiev, Ernesto – G979 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Bc5 7. Nbd2 Bb6 8. b4 Nge7 9. Ng5 O-O 10. Qh5 h6
World Blitz 2021 – Round 21.46 – Bluebaum, Matthias – 1-0 – Christiansen, Johan-Sebastian – G1237 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Be6 7. Nbd2 Qf6 8. a3 Bd6 9. Qb3 O-O-O 10. Qa4 Kb8
World Blitz 2022 – Round 13.42 – Salem, A.R. Saleh – 1-0 – Christiansen, Johan-Sebastian – G698 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Be6 7. Nbd2 Qf6 8. Qa4 O-O-O 9. b4 Kb8 10. b5 Ne5
World Blitz 2023 – Round 12.49 – Aditya Mittal – 0-1 – Dardha, Daniel – G708 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Be6 7. Bb5 Bc5 8. b4 Bb6 9. a4 a6 10. Bxc6+ bxc6
World Rapid 2016 – Round 5.21 – Jakovenko, Dmitry – 1/2-1/2 – Borisek, Jure – G180 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Be6 7. Nbd2 Nf6 8. Qb3 Qd7 9. Qxb7 Rb8 10. Qa6 Bxc4
World Rapid 2016 – Round 8.19 – Inarkiev, Ernesto – 1-0 – Borisek, Jure – G299 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Be6 7. Bb5 Bc5 8. b4 Bb6 9. Bb2 Ne7 10. a4 a6
World Rapid 2019 – Round 13.67 – Piorun, Kacper – 1/2-1/2 – Christiansen, Johan-Sebastian – G870 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Be6 7. Bxe6 fxe6 8. Qb3 Qd7 9. Qxb7 Rb8 10. Qa6 Nge7

D20y — QGA (1965)

1.d4 d5 2.c4 dxc4 3.e4 e5 4.Nf3 exd4 5.Bxc4 Nc6

Les coups candidats

6.O-O — 95.7% (2269 parties)

Ambassadeurs : Ilyin, Pavel Egorovich (33x), Gerhards, Guntis (29x), Chukanov, Igor Anatolievich (20x), Quevedo García, Vicente (18x), Baumgartner, Ulrich (15x), Van Wely, Loek (15x), Estrada Nieto, Julian (15x), Vinchev, Simeon (14x)

6.Qb3 — 2.4% (58 parties)

Ambassadeurs : Granero Roca, Antonio (2x), Brandenburg, Daan (2x), Ivanisevic, Ivan (2x), Kazoks, Aivars (2x), Kramer, Haije (1x), Szabo, Iuliu inactive (1x), Notkin, Maksim (1x), Volzhin, Alexander (1x)

6.Nbd2 — 0.7% (17 parties)

Ambassadeurs : Mauviot, Gilles (1x), Flear, Glenn C (1x), Kostic, Vladimir (1x), Sermek, Drazen (1x), Chalmeta Ugas, Jordi (1x), Serrano Aspa, Pedro (1x), Bischof, Detlef (1x), Lupor, Stefan (1x)

6.Bb5 — 0.3% (8 parties)

Ambassadeurs : Ball, Ethan (1x), Turner, Daniel (1x), Takacs, Sandor Jr (1x), Szucs, Pal (1x), Lagunes, Robin (1x), Capron, Michel (1x), Heitmann, Kaustubha (1x), Soang, Duncan (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.O-O	6.Qb3	6.Nbd2	6.Bb5
<1800	114	91%	4%	1%	—
1800-2200	840	95%	2%	1%	0%
2200-2600	1191	97%	2%	0%	0%
2600+	77	99%	1%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6.O-O	6.Qb3	6.Nbd2	6.Bb5
1950s	1	100%	—	—	—
1960s	5	80%	20%	—	—
1970s	5	100%	—	—	—
1980s	9	89%	—	—	11%
1990s	146	96%	1%	1%	1%
2000s	567	95%	2%	1%	1%
2010s	1231	96%	3%	0%	—
2020s	408	95%	2%	1%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.O-O	96%	95%	▼ -1.3%
6.Qb3	3%	2%	-0.1%
6.Nbd2	0%	1%	+0.4%
6.Bb5	0%	0%	+0.5%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 8 parties
Karpov, Anatoly — 4 parties
Kasparov, Garry — 2 parties
Ju, Wenjun — 1 partie

Parties historiques

6.O-O — 95.7% (2269 parties)

1959 — Stein, Leonid vs Kwiatkowski, Seweryn — 1-0 — Kiev UKR
1961 — Mititelu, Gheorghe vs Giorgadze, Tamaz — 0-1 — Bukarest
1965 — Moehring, Guenther vs Csulits, Anton — 1-0 — Annaberg-Buchholz GER
1967 — Neamtu, Serban-Constantin vs Fischer, Johann — 1-0 — Bucharest ROU
1967 — Forintos, Gyozo V vs Szilagyi, Gyorgy Laszlo — 0-1 — Budapest HUN

6.Qb3 — 2.4% (58 parties)

1965 — Kramer, Haije vs Szabo, Iuliu inactive — 0-1 — Hamburg etc
1996 — Notkin, Maksim vs Volzhin, Alexander — 0-1 — Elista ch-RUS
2000 — Granero Roca, Antonio vs Mateu Palau, Enrique — 1-0 — Barcelona ESP
2000 — Alaxa, Marek vs Mrazik, Lubomir — 1/2-1/2 — SVK-chB op Zvolen
2001 — Granero Roca, Antonio vs Lorenzini, Martin — 1/2-1/2 — Alicante ESP

6.Nbd2 — 0.7% (17 parties)

1997 — Mauviot, Gilles vs Flear, Glenn C — 0-1 — Creon FRA
1997 — Kostic, Vladimir vs Sermek, Drazen — 1/2-1/2 — Austria
2001 — Chalmeta Ugas, Jordi vs Serrano Aspa, Pedro — 1-0 — Sants
2002 — Bischof, Detlef vs Lupor, Stefan — 1/2-1/2 — GER
2004 — Offinger, Robert vs Wagner, Christian — 1/2-1/2 — GER

6.Bb5 — 0.3% (8 parties)

1985 — Ball, Ethan vs Turner, Daniel — 1-0 — E Detroit Motor City op
1996 — Takacs, Sandor Jr vs Szucs, Pal — 0-1 — HUN
2003 — Lagunes, Robin vs Capron, Michel — 0-1 — St Chely d'Aubrac FRA
2004 — Heitmann, Kaustubha vs Soang, Duncan — 1-0 — Adelaide University
2005 — Rachela, Milan vs Kolcak, Marek — 1-0 — Slovakia

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