Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● a2→b3, f2→e3, e3→d4	● b7→a6, f7→e6
Passés	—	—
Majorité	—	● aile dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v0)	● d5 (3v1)
Cases faibles	—	—
Centre	● d4 (3v2), ● e5 (2v0)	● d5 (3v1), ● e4 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 3)
Bc4	● Bc4 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 1)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	3 (● b1, ● c1, ● a1)	5 (● b8, ● c8, ● f8, ● a8, ● h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Au centre
Droits de roque	—	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	mobile
Ruptures	● d4-d5	● …e6-e5

D27b — QGA: Classical, 6…a6 7.b3

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.b3 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Bb2 (Fianchetto, fou sur la grande diagonale — 32 % des parties) ; Be2 (23 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...cxd4 (Capture en d4, Occuper le centre — 38 % des parties) ; ...b5 (Expansion aile dame — 24 % des parties) ; ...Nbd7 (Développer b8 — 17 % des parties) ; ...Nc6 (Développer b8 — 14 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1958 Sofia – Round 3 – Szilagyi, Gyorgy Laszlo – 1/2-1/2 – Golz, Werner – G25 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. b3 b5 8. Be2 Nbd7 9. Bb2 Bb7 10. Nbd2 Be7
4. GRENKE Chess Classic 2017 – Round 6.4 – Bluebaum, Matthias – 1/2-1/2 – Caruana, Fabiano – G24 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. b3 b6 8. Bb2 Bb7 9. dxc5 Bxc5 10. Qxd8+ Kxd8
5. Norway Chess 2017 – Round 1.4 – Aronian, Levon – 1/2-1/2 – Caruana, Fabiano – G4 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. b3 Nbd7 8. Bb2 b5 9. Be2 Bb7 10. a4 b4
63. ch-USA 2019 – Round 2.3 – Lenderman, Aleksandr – 1/2-1/2 – Nakamura, Hikaru – G9 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. b3 cxd4 8. Nxd4 Be7 9. Bb2 O-O 10. Nd2 b5
8. London Classic 2016 – Round 9.3 – Giri, Anish – 1/2-1/2 – Caruana, Fabiano – G43 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. b3 cxd4 8. Nxd4 Bd7 9. Bb2 Nc6 10. Nf3 Be7
81. Tata Steel GpA 2019 – Round 6.1 – Carlsen, Magnus – 1-0 – Mamedyarov, Shakhriyar – G31 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. b3 b6 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. Bb2 Nbd7
82. Tata Steel GpA 2020 – Round 4.4 – So, Wesley – 1-0 – Firouzja, Alireza – G24 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. b3 cxd4 8. Nxd4 Be7 9. Bb2 O-O 10. Be2 Bd7
84. Tata Steel Masters 2022 – Round 7.1 – Praggnanandhaa R – 0-1 – Carlsen, Magnus – G42 1. d4 d5 2. c4 e6 3. Nf3 dxc4 4. e3 a6 5. Bxc4 Nf6 6. O-O c5 7. b3 b6 8. Ba3 Nbd7 9. d5 exd5 10. Bxd5 Rb8
Croatia GCT 2019 – Round 4.6 – Ding, Liren – 1/2-1/2 – Nakamura, Hikaru – G24 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. b3 cxd4 8. Nxd4 Be7 9. Bb2 O-O 10. Nd2 b5
FIDE Grand Swiss 2025 – Round 11 – Woodward Andy – 1/2-1/2 – Yu Yangyi – G586 1. d4 d5 2. c4 e6 3. Nf3 dxc4 4. e3 Nf6 5. Bxc4 c5 6. O-O a6 7. b3 Nc6 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. Bb2 O-O
FIDE World Cup 2025 – Round R3 Rapid 2 – Daniil Dubov – 1-0 – Meier Georg – G526 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c3 a5 7. a4 Bf5 8. Nbd2 Nbd7 9. Nh4 Be6 10. e4 dxe4
Global Chess League 2023 – Round 1.1 – Aronian, Levon – 1/2-1/2 – Vachier-Lagrave, Maxime – G1 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 a6 6. O-O c5 7. b3 cxd4 8. Nxd4 Be7 9. Bb2 O-O 10. Be2 b5
Global Chess League 2023 – Round 6.2 – Mamedyarov, Shakhriyar – 1/2-1/2 – Rapport, Richard – G70 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. b3 cxd4 8. Nxd4 Be7 9. Bb2 O-O 10. Be2 b5
Olympiad 2002 – Round 9 – Seirawan, Yasser – 1-0 – Rowson, Jonathan – G284 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. b3 b6 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. Bb2 Nbd7
Riga FIDE Grand Prix 2019 – Round 3.2 – So, Wesley – 1/2-1/2 – Mamedyarov, Shakhriyar – G60 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. b3 cxd4 8. Nxd4 Be7 9. Bb2 O-O 10. Nd2 b5
Superbet Classic 2022 – Round 2.1 – So, Wesley – 1/2-1/2 – Vachier-Lagrave, Maxime – G6 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. b3 cxd4 8. Nxd4 Be7 9. Bb2 O-O 10. Be2 b5
Superbet Classic 2022 – Round 2.5 – Deac, Bogdan-Daniel – 1/2-1/2 – Aronian, Levon – G10 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. b3 Nc6 8. Bb2 cxd4 9. Nxd4 Nxd4 10. Bxd4 Bd7
Superbet Classic 2022 – Round 7.1 – Deac, Bogdan-Daniel – 1/2-1/2 – So, Wesley – G30 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. b3 cxd4 8. Nxd4 Be7 9. Bb2 O-O 10. Be2 b5
Superbet Classic 2022 – Round 8.5 – Mamedyarov, Shakhriyar – 0-1 – Dominguez Perez, Leinier – G39 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. b3 b5 8. Be2 Nbd7 9. Bb2 Bb7 10. Nbd2 Be7
Superbet Classic 2023 – Round 1.1 – Ding, Liren – 1/2-1/2 – Vachier-Lagrave, Maxime – G1 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. b3 cxd4 8. Nxd4 Be7 9. Bb2 O-O 10. Be2 b5
Tal Memorial Blitz 2014 – Round 16.6 – Grischuk, Alexander – 1-0 – Karjakin, Sergey – G96 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 a6 6. O-O c5 7. b3 b6 8. Bb2 Bb7 9. Be2 Nbd7 10. Nbd2 Be7
Tal Memorial Blitz 2014 – Round 3.5 – Tomashevsky, Evgeny – 1/2-1/2 – Karjakin, Sergey – G17 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. b3 b6 8. Bb2 Bb7 9. dxc5 Qxd1 10. Rxd1 Bxc5
Tata Steel Masters 2024 - Round 6 - Ding, Liren - 1/2-1/2 - Abdusattorov, Nodirbek 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. b3 b6 8. Ba3 Nbd7 9. d5 exd5 10. Bxd5 Rb8
USA Ch 2022 – Round 13.1 – Robson, Ray – 1/2-1/2 – Xiong, Jeffery – G84 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. b3 cxd4 8. Nxd4 Be7 9. Bb2 O-O 10. Be2 Bd7
USA Ch 2022 – Round 3.4 – Xiong, Jeffery – 1/2-1/2 – So, Wesley – G17 1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Nf6 5. Bxc4 e6 6. O-O c5 7. b3 cxd4 8. Nxd4 Be7 9. Bb2 O-O 10. Nd2 b5
World Blitz 2017 – Round 11.25 – Sargissian, Gabriel – 0-1 – Ponomariov, Ruslan – G567 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. b3 cxd4 8. Nxd4 Bd6 9. Bb2 e5 10. Ne2 O-O
World Blitz 2018 – Round 8.54 – Yilmaz, Mustafa (34) – 1-0 – Lintchevski, Daniil – G496 1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Nf6 5. Bxc4 e6 6. O-O c5 7. b3 cxd4 8. Nxd4 Bd7 9. Bb2 Nc6 10. Nd2 Nxd4
World Blitz 2019 – Round 5.17 – Esipenko, Andrey – 0-1 – Firouzja, Alireza – G317 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. b3 cxd4 8. Nxd4 Be7 9. Bb2 O-O 10. Be2 Bd7
World Blitz 2022 – Round 2.53 – Martirosyan, Haik M. – 1-0 – Narayanan, Sri Shiva Kumar – G102 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. b3 cxd4 8. Nxd4 Bd6 9. Bb2 e5 10. Nf3 Nc6
World Blitz 2023 – Round 9.18 – Nesterov, Arseniy – 1/2-1/2 – Andreikin, Dmitry – G509 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. b3 b5 8. Be2 Bb7 9. a4 b4 10. Bb2 Nbd7
World Rapid 2019 – Round 13.25 – Xu, Yinglun – 1/2-1/2 – Inarkiev, Ernesto – G833 1. d4 d5 2. c4 e6 3. Nf3 dxc4 4. e3 Nf6 5. Bxc4 c5 6. O-O a6 7. b3 b5 8. Be2 Bb7 9. Bb2 Nbd7 10. a4 b4
World Rapid 2019 – Round 15.22 – Dreev, Aleksey – 1/2-1/2 – Inarkiev, Ernesto – G957 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. b3 b5 8. Be2 Bb7 9. a4 b4 10. Bb2 Nbd7
World Rapid 2021 – Round 5.8 – Saini Vidit – 1/2-1/2 – Vachier-Lagrave, Maxime – G317 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. b3 cxd4 8. Nxd4 Be7 9. Bb2 O-O 10. Nd2 b5
World Rapid 2021 – Round 7.34 – Sargsyan, Shant – 1/2-1/2 – Timofeev, Artyom – G409 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. b3 cxd4 8. Nxd4 Bd6 9. Bb2 O-O 10. Nd2 Qe7

D27b — QGA: Classical (1958)

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.b3

Les coups candidats

7…cxd4 — 38.2% (581 parties)

Ambassadeurs : Ilyin, Pavel Egorovich (18x), Vachier-Lagrave, Maxime (11x), Gerhards, Guntis (10x), Vinchev, Simeon (10x), Deforel, Jorge Eduardo (8x), Timofeev, Artyom (8x), Morley, Paul (6x), Hoang, Thanh Trang (5x)

7…b5 — 23.8% (361 parties)

Ambassadeurs : Volodarsky, Yury Aleksandrovich (6x), Seelig, Jürgen (4x), Vujovic, Vera (4x), Edouard, Romain (3x), Inarkiev, Ernesto (3x), Casimiro Gabriel Luanda (2x), Graf, Rena (2x), Boensch, Uwe (2x)

7…Nbd7 — 17.2% (261 parties)

Ambassadeurs : Ozen, Bahadir (9x), Mannion, Stephen R (6x), Riccio, Eros (4x), Perevozchikov, Vjacheslav (4x), Oberoi, Shelev (4x), Malaniuk, Vladimir P (3x), Legrand, Stephane (3x), Hoang, Thanh Trang (2x)

7…Nc6 — 13.8% (209 parties)

Ambassadeurs : Baikov, Vladimir A (5x), Varga, Zoltan (3x), Botsari, Anna-Maria (3x), Sadler, Matthew D (3x), Hoang, Thanh Trang (2x), Legky, Nikolay A (2x), Aleksandrov, Aleksej (2x), Volzhin, Alexander (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…cxd4	7…b5	7…Nbd7	7…Nc6
<1800	60	40%	37%	18%	5%
1800-2200	391	40%	30%	16%	10%
2200-2600	914	37%	20%	19%	16%
2600+	100	49%	11%	16%	8%

Évolution par décennie (% des parties)

Décennie	N parties	7…cxd4	7…b5	7…Nbd7	7…Nc6
1950s	1	—	100%	—	—
1980s	10	10%	60%	—	30%
1990s	189	22%	26%	17%	26%
2000s	188	29%	29%	10%	22%
2010s	522	49%	25%	10%	10%
2020s	610	37%	20%	25%	10%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…cxd4	49%	37%	▼ -11.8%
7…b5	25%	20%	▼ -5.4%
7…Nbd7	10%	25%	▲ +15.1%
7…Nc6	10%	10%	+0.4%

Joueurs célèbres

Champions du monde dans cette position

Ding, Liren — 3 parties
Carlsen, Magnus — 2 parties
Gukesh D — 2 parties
Karpov, Anatoly — 1 partie

Parties historiques

7…cxd4 — 38.2% (581 parties)

1988 — Seirawan, Yasser vs Lein, Andreas — 1-0 — World Open
1990 — Miles, Anthony J vs Ivanchuk, Vasyl — 1/2-1/2 — Moscow RUS
1993 — Kiriakov, Petr vs Mesropov, Konstantin — 1/2-1/2 — Voskresensk,RUS
1993 — Maiwald, Jens-Uwe vs Dao, Thien Hai — 1-0 — Budapest HUN
1993 — Rodriguez, Jorge Luis vs Ricardi, Pablo — 1-0 — Buenos Aires FMDAsup

7…b5 — 23.8% (361 parties)

1958 — Szilagyi, Gyorgy Laszlo vs Golz, Werner — 1/2-1/2 — Sofia BUL
1981 — Tessars, Roland vs Rasch, Dieter, Dr. — 0-1 — GER
1982 — Deschamps, Julio Cesar vs Braitt, Milton Dos Santos — 0-1 — Blumenau
1985 — Vogt, Peter vs Van der Poel, T. — 0-1 — Groningen NED
1987 — Paehtz, Thomas vs Gruenberg, Hans-Ulrich — 1/2-1/2 — Glauchau

7…Nbd7 — 17.2% (261 parties)

1991 — Luik, Helmuth vs Kekki, Petri — 1-0 — FIN-chT
1991 — Zsinka, Laszlo vs Putzbach, Gerd — 1-0 — Hamburg GER
1992 — Schlosser, Philipp vs Maiwald, Jens-Uwe — 1-0 — Munchen open
1992 — Malaniuk, Vladimir P vs Donchenko, Anatoly — 1-0 — Moscow RUS
1993 — Hoang, Thanh Trang vs Sapi, Laszlo — 1/2-1/2 — Budapest HUN

7…Nc6 — 13.8% (209 parties)

1987 — Chernin, Alexander vs Speelman, Jon S — 0-1 — Subotica SRB
1988 — Dzindzichashvili, Roman vs Scherzer, Grant — 1-0 — USA
1989 — Murugan, Krishnamoorthy vs Vladimirov, Yevgeniy — 0-1 — Alma Ata KAZ
1991 — Keitlinghaus, Ludger vs Thesing, Matthias — 1-0 — Dortmund III
1991 — Malisauskas, Vidmantas vs Gelpke, Peter — 1-0 — Groningen open

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