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 semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d5, case forte g5, Bc4 actif, paire de fous, colonnes c, d.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, 4 pièces non développées (B1, C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nc3 — Développer Nb1
● Be3 — Développer Bc1
● h3 — Empêcher ...Bg4
● Rc — Tour sur colonne c

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité aile_dame (3v2), case forte b4, paire de fous, colonne e, pion passé d4.
Faiblesses adverses : Bc1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 5 pièces non développées (G8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nf6 — Développer Ng8
● ...Bg4 — Développer Bc8, clouer Nf3
● ...Be7 — Développer Bf8
● ...Na5 — Attaquer Bc4

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

D20y — QGA:

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

Eval: [+0.36]

Les coups candidats

6.O-O — 96.0% (2239 parties)

Ambassadeurs : Ilyin, Pavel Egorovich (38x), Gerhards, Guntis (29x), Quevedo García, Vicente (26x), Chukanov, Igor Anatolievich (20x), Baumgartner, Ulrich (15x), Van Wely, Loek (15x), Vinchev, Simeon (14x), Dreev, Aleksey (13x)

6.Qb3 — 2.3% (54 parties)

Ambassadeurs : Granero Roca, Antonio (2x), Brandenburg, Daan (2x), Ivanisevic, Ivan (2x), Kazoks, Aivars (2x), Onem, Cem (2x), Kramer, Hanspeter (1x), Aczel Szabo, Janos (1x), Notkin, Maksim (1x)

6.Nbd2 — 0.6% (15 parties)

Ambassadeurs : Kostic, Vladimir (1x), Sermek, Drazen (1x), Mauviot, Gilles (1x), Flear, Glenn C (1x), Offinger, Robert (1x), Wagner, Christian (1x), Chalmeta Ugas, Jordi Ramon (1x), Serrano Aspa, Pedro (1x)

6.a3 — 0.3% (8 parties)

Ambassadeurs : Volkov, Saveliy (1x), Volzhin, Alexander (1x), Amura, Claudia (1x), Gonzalez Garcia, James Fabian (1x), Massimini Gerbino, Massimiliano (1x), Barbaric, Vuk-Tadija (1x), Skatchkov, Pavel (1x), Korbut, Ekaterina (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.O-O	6.Qb3	6.Nbd2	6.a3
<1800	45	91%	7%	—	2%
1800-2200	666	96%	2%	1%	0%
2200-2600	1356	97%	2%	1%	0%
2600+	87	99%	1%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6.O-O	6.Qb3	6.Nbd2	6.a3
1950s	1	100%	—	—	—
1960s	5	80%	20%	—	—
1970s	5	100%	—	—	—
1980s	10	90%	—	—	—
1990s	145	96%	1%	1%	1%
2000s	566	95%	2%	1%	0%
2010s	1227	96%	3%	0%	0%
2020s	374	97%	2%	0%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.O-O	96%	97%	+0.4%
6.Qb3	3%	2%	▼ -0.7%
6.Nbd2	0%	0%	-0.1%
6.a3	0%	1%	+0.4%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 8 parties
Karpov, Anatoly — 3 parties
Kasparov, Garry — 2 parties
Karpov, Aleksandr — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

6.O-O — 96.0% (2239 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 — 2.3% (54 parties)

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

6.Nbd2 — 0.6% (15 parties)

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

6.a3 — 0.3% (8 parties)

1997 — Volkov, Saveliy vs Volzhin, Alexander — 1-0 — Ekaterinburg RUS
1997 — Amura, Claudia vs Gonzalez Garcia, James Fabian — 1/2-1/2 — Mexico City MEX
2001 — Skatchkov, Pavel vs Korbut, Ekaterina — 1/2-1/2 — St Petersburg White Nights Ru
2002 — Massimini Gerbino, Massimiliano vs Barbaric, Vuk-Tadija — 1/2-1/2 — IECG
2013 — Díaz García, Carlos Luis vs Macs, Osvalds — 0-1 — ICCF

	♔ 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	semi-ouvert
Ruptures	● e4-e5	● …f7-f6, ● …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

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