D26s — QGA: Classical, 6.O-O Nc6 7.Nc3

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O Nc6 7.Nc3 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. dxc5 (Capture en c5, Frapper le centre adverse — 14 % des parties) ; Qe2 (Pression sur colonne e — 14 % des parties) ; a4 (13 % des parties) ; a3 (Préparer expansion aile dame — 11 % des parties) ; d5 (Occuper le centre — 5 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...a6 (Préparer expansion aile dame — 49 % des parties) ; ...cxd4 (Capture en d4, Occuper le centre — 29 % des parties) ; ...Be7 (Développer f8 — 20 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● e5 (2v1)	● b4 (2v0), ● d5 (3v2)
Cases faibles	—	—
Centre	● e5 (2v1)	● d5 (3v2)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bc4	● Bc4 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 1)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	2 (● c1, ● a1)	4 (● 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

Partie
1900 DSB-12.Kongress – Round 3 – Showalter, Jackson – 1-0 – Burn, Amos – G14 1. d4 d5 2. c4 dxc4 3. e3 e6 4. Bxc4 Nf6 5. Nc3 c5 6. Nf3 Nc6 7. O-O Be7 8. Ne5 cxd4 9. Nxc6 bxc6 10. exd4 O-O
1907 Ostende II – Round 2 – Johner, Paul – 0-1 – Salwe, Georg – G16 1. d4 d5 2. c4 e6 3. Nc3 dxc4 4. e3 c5 5. Nf3 Nc6 6. Bxc4 Nf6 7. O-O Be7 8. Qe2 a6 9. Rd1 Qc7 10. dxc5 Bxc5
1909 It (Men) St Petersburg RUS – Round 1 – Salwe, Georg – 1-0 – Speijer, Abraham – G4 1. d4 d5 2. c4 e6 3. Nc3 dxc4 4. e3 c5 5. Bxc4 Nf6 6. Nf3 Nc6 7. O-O a6 8. a3 b5 9. Bd3 Bb7 10. dxc5 Bxc5
1912 Biarritz m – Round ? – Marshall, Frank – 1-0 – Janowski, Dawid – G7 1. d4 d5 2. Nf3 c5 3. c4 dxc4 4. e3 e6 5. Bxc4 Nf6 6. O-O Nc6 7. Nc3 Be7 8. Qe2 O-O 9. dxc5 Bxc5 10. a3 Bd7
1913 Havana – Round 1 – Kupchik, Abraham – 1/2-1/2 – Janowski, Dawid – G12 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 c5 5. Bxc4 e6 6. O-O Nc6 7. Nc3 Be7 8. a3 O-O 9. dxc5 Bxc5 10. b4 Bb6
1922 New York CCI – Round 1 – Bigelow, Horace – 1-0 – Janowski, Dawid – G1 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Nc3 c5 6. Bxc4 Nc6 7. O-O Be7 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. b3 Bd7
1923 Verenigde Staten m ch-USA – Round 18 – Marshall Viele, Fabrizio Aaron – 1/2-1/2 – Lasker, E. – G18 1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 dxc4 5. e3 c5 6. Bxc4 Nc6 7. O-O Qc7 8. e4 cxd4 9. Nxd4 a6 10. Nxc6 Qxc6
1925 Moscow – Round 1 – Bogoljubow, Efim – 1-0 – Ilyin Zhenevsky, Alexander – G125 1. Nf3 d5 2. c4 e6 3. d4 dxc4 4. e3 c5 5. Bxc4 Nf6 6. O-O Nc6 7. Nc3 Be7 8. Qe2 O-O 9. dxc5 Qa5 10. e4 Qxc5
1926 Semmering – Round 3 – Vidmar Milan – 1-0 – Janowski, Dawid – G104 1. d4 d5 2. c4 e6 3. Nc3 dxc4 4. e3 Nf6 5. Bxc4 c5 6. Nf3 Nc6 7. O-O a6 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. a3 O-O
1927 London – Round 10 – Reti, Richard – 1-0 – Winter, William – G53 1. Nf3 d5 2. c4 dxc4 3. e3 c5 4. Bxc4 e6 5. d4 Nf6 6. Nc3 Nc6 7. O-O a6 8. Qe2 b5 9. Bd3 cxd4 10. exd4 Bb7
1931 Bled – Round 1 – Spielmann, Rudolf – 0-1 – Stoltz, Gösta – G41 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. Nc3 a6 8. Qe2 Be7 9. dxc5 Bxc5 10. a3 Qc7
1932 Berlin Ch – Round 8 – Saemisch, Friedrich – 0-1 – Helling, Karl – G21 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 c5 5. e3 e6 6. Bxc4 Nc6 7. O-O cxd4 8. exd4 Be7 9. Be3 O-O 10. Qe2 a6
1934 Zuerich – Round 1 – Alekhine, Alexander – 1/2-1/2 – Bogoljubow, Efim – G30 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Bd3 dxc4 6. Bxc4 c5 7. O-O Nc6 8. Nc3 a6 9. a3 b5 10. Ba2 Bb7
1936 Mar del Plata – Round 13 – Concepcion Villegas, Bryan Uriel – 1/2-1/2 – Piazzini, Luis – G92 1. Nf3 Nf6 2. c4 e6 3. e3 d5 4. d4 dxc4 5. Bxc4 c5 6. O-O Nc6 7. Nc3 a6 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. a3 b5
1937 Ostende – Round 1 – List, Paul – 1-0 – Reynolds, Arthur – G6 1. Nf3 d5 2. c4 dxc4 3. e3 c5 4. Bxc4 Nc6 5. d4 e6 6. O-O Nf6 7. Nc3 Be7 8. Qe2 O-O 9. Rd1 a6 10. dxc5 Qa5
1939 Buenos Aires ol f-A – Round 10 – Luckis, Marcos – 1-0 – Winz, Victor – G183 1. c4 Nf6 2. Nf3 e6 3. d4 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 Nf6 8. O-O Be7 9. dxc5 Qxd1 10. Rxd1 Bxc5
1952 Buenos Aires – Round 3 – Luckis, Marcos – 1/2-1/2 – Sanchez Jose Ciro – G27 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 Nf6 8. O-O cxd4 9. exd4 Be7 10. Re1 O-O
1952 Vienna 5253 Vienna AUT – Round ? – De Souza Mendes, Joao – 1/2-1/2 – Gruenfeld, Ernst – G16 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 Nf6 8. O-O a6 9. a3 cxd4 10. exd4 Be7
1954 Kiev ch-URS – Round 1 – Ilivitsky, Georgy A – 1/2-1/2 – Kholmov, Ratmir D – G35 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 Nf6 8. O-O Be7 9. dxc5 Qxd1 10. Rxd1 Bxc5
1958 Open – Round 2 – Blackstone, John – 1-0 – Metz, Frank A – G3 1. Nf3 e6 2. d4 d5 3. c4 dxc4 4. e3 Nf6 5. Bxc4 c5 6. Nc3 Nc6 7. O-O cxd4 8. exd4 Be7 9. d5 exd5 10. Nxd5 O-O
1958 WchT U26 fin-A 05th – Round 4 – Kozma, Julius – 1/2-1/2 – Fuchs, Reinhart – G36 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. Nc3 cxd4 8. exd4 Be7 9. Bg5 O-O 10. Re1 h6
1959 Mar del Plata – Round ? – Najdorf, Miguel – 1-0 – De Souza Mendes, Joao – G93 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 Nf6 8. O-O a6 9. Qe2 cxd4 10. Rd1 Be7
1959 Warsaw Legion tt – Round 5.3 – Litmanowicz, Wladyslaw – 1/2-1/2 – Buljovcic, Ivan – G39 1. d4 d5 2. c4 dxc4 3. Nf3 e6 4. e3 Nf6 5. Bxc4 c5 6. O-O Nc6 7. Nc3 Be7 8. Qe2 a6 9. Rd1 Qc7 10. dxc5 Bxc5
1962 Capablanca Memorial – Round 7 – Najdorf, Miguel – 1-0 – Ivkov, Borislav – G62 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 Nf6 8. O-O a6 9. Qe2 Be7 10. Rd1 Qc7
1962 DDR-12ch – Round 9 – Storch, Lawrence A. – 0-1 – Moehring, Guenther – G6 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c5 5. e3 Nc6 6. cxd5 Nxd5 7. Bc4 Nf6 8. O-O a6 9. a3 b5 10. Ba2 Bb7
1963 Miskolc Asztalos Memorial – Round 2 – Lengyel, Laszlo – 1-0 – Lokvenc, Josef – G2 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 Nf6 8. O-O Be7 9. Qe2 cxd4 10. exd4 O-O
1966 Palma de Mallorca – Round 5 – Visier Segovia, Fernando – 0-1 – Wade, Robert G – G29 1. d4 Nf6 2. c4 d5 3. Nc3 c5 4. cxd5 Nxd5 5. Nf3 e6 6. e3 Nc6 7. Bc4 Nf6 8. O-O Be7 9. Qe2 O-O 10. a3 cxd4
1967 Asztalos Memorial 10th – Round 8 – Barcza, Gedeon – 1/2-1/2 – Haag, Ervin – G43 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. Nc3 a6 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. Bd2 Bd7
1968 URS Team Ch – Round 1 – Polugaevsky, Lev – 1-0 – Kholmov, Ratmir D – G21 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 Nf6 8. O-O Be7 9. Qe2 O-O 10. Rd1 Qc7
1969 Brno KOLT 2nd – Round ? – Zavodny, Zdenek – 1-0 – Pospisilova, E. – G4 1. d4 d5 2. c4 dxc4 3. Nf3 e6 4. Nc3 Nf6 5. e3 c5 6. Bxc4 Nc6 7. O-O Be7 8. b3 O-O 9. Bb2 cxd4 10. exd4 b6
1969 Mar del Plata zt – Round ? – Schweber, Samuel – 1-0 – Riego, Victorio – G47 1. c4 c5 2. Nc3 Nf6 3. Nf3 d5 4. d4 e6 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 Nf6 8. O-O Be7 9. Qe2 O-O 10. Rd1 Qc7
9. Sinquefield Cup 2022 – Round 9.2 – So, Wesley – 1/2-1/2 – Dominguez Perez, Leinier – G37 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. Nc3 a6 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. Bd2 O-O
Cote d'Ivoire Rapid 2019 – Round 8.5 – Karjakin, Sergey – 1/2-1/2 – Wei, Yi – G40 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. Nc3 a6 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. b3 b5
FIDE Grand Swiss 2025 – Round 1 – Harikrishna Pentala – 0-1 – Demchenko Anton – G18 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. Nc3 a6 8. Ne5 Nxe5 9. dxe5 Qxd1 10. Rxd1 Nd7
FIDE WCh KO 2001 – Round 1.4 – Nguyen, Anh Dung – 1-0 – Rublevsky, Sergei – G138 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. Nc3 a6 8. dxc5 Bxc5 9. Qe2 b5 10. Rd1 Qb6
FIDE World Cup 2019 – Round 1.1 – Lysyj, Igor – 0-1 – Xiong, Jeffery – G13 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. Nc3 a6 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. Nd2 Be7
FIDE World Cup 2019 – Round 3.1 – Giri, Anish – 1/2-1/2 – Xiong, Jeffery – G311 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. Nc3 a6 8. Re1 h6 9. d5 exd5 10. Nxd5 Ne4
FIDE World Rapid Championship 2025 – Round 7 – Caruana Fabiano – 1-0 – Paravyan David – G135 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. Nc3 a6 8. Ne5 Nxe5 9. dxe5 Qxd1 10. Rxd1 Nd7
Superbet Classic 2021 – Round 3.1 – Aronian, Levon – 1/2-1/2 – Caruana, Fabiano – G10 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O Nc6 7. Nc3 a6 8. Ne5 Qc7 9. Nxc6 Qxc6 10. d5 exd5
Tata Steel India Blitz 2018 – Round 2.1 – Vidit, Santosh Gujrathi – 1/2-1/2 – So, Wesley – G6 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. Nc3 a6 8. dxc5 Bxc5 9. Qxd8+ Kxd8 10. Bd2 Ke7
Tilburg Fontys 1998 – Round 10 – Piket, Jeroen – 1/2-1/2 – Korchnoi, Viktor – G31 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bc4 Nf6 8. O-O a6 9. a3 b5 10. Ba2 Bb7
World Blitz 2016 – Round 1.16 – Adhiban, B. – 1-0 – Ivanchuk, Vasyl – G9 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O Nc6 7. Nc3 a6 8. dxc5 Bxc5 9. Qxd8+ Kxd8 10. b3 b5
World Blitz 2018 – Round 14.10 – Gelfand, Boris – 1-0 – Inarkiev, Ernesto – G810 1. Nf3 d5 2. d4 e6 3. c4 dxc4 4. e3 c5 5. Bxc4 Nc6 6. O-O Nf6 7. Nc3 a6 8. d5 Na5 9. b3 b5 10. Bd3 exd5
World Blitz 2023 – Round 11.24 – Nogerbek, Kazybek – 0-1 – Anton Guijarro, David – G637 1. d4 d5 2. Nf3 e6 3. c4 dxc4 4. e3 Nf6 5. Bxc4 c5 6. O-O Nc6 7. Nc3 a6 8. a3 b5 9. Ba2 Bb7 10. d5 exd5
World Blitz 2023 – Round 9.11 – Muradli, Mahammad – 1-0 – Anton Guijarro, David – G497 1. d4 d5 2. c4 e6 3. Nf3 dxc4 4. e3 Nf6 5. Bxc4 c5 6. O-O Nc6 7. Nc3 a6 8. a3 b5 9. Ba2 Bb7 10. Qe2 Qc7

D26s — QGA: Classical (1900)

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O Nc6 7.Nc3

Les coups candidats

7…a6 — 49.1% (625 parties)

Ambassadeurs : Cervantes Landeiro, Thalia (9x), Gaponenko, Inna (8x), Glek, Igor (8x), Royal, Shreyas (6x), Xu, Xiangyu (6x), Reza, Wojciech (5x), Szulc, Stanislaw (5x), Anton Guijarro, David (5x)

7…cxd4 — 29.2% (372 parties)

Ambassadeurs : Drozdovskij, Yuri (7x), Wang, Rachel Zihan (5x), ? (4x), Cespedes Llaverias, Llibert (3x), Fuchs, Reinhart (2x), Passerotti, Pierluigi (2x), Ivanov, Jordan (2x), Eugenio, Sarah De Oliveira (1x)

7…Be7 — 20.4% (259 parties)

Ambassadeurs : Razin, Vadim (3x), Martinez Reyes, Pedro Ramon (3x), Kholmov, Ratmir D (2x), Niklasson, Christer (2x), Bosch van Rosenthal, Edzard (2x), Psakhis, Lev (2x), Narciso Dublan, Marc (2x), Baron Rodriguez, Jesus (2x)

7…Bd7 — 0.7% (9 parties)

Ambassadeurs : A, Sergey (1x), Dangauthier, Jean Philippe (1x), Dickau, Daniel (1x), Ortega Morales, Javier (1x), Freisler, Pavel (1x), Mozny, Milos (1x), Vasquez, Juan Carlos (1x), Kyllo, Richard (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…a6	7…cxd4	7…Be7	7…Bd7
<1800	94	32%	45%	20%	1%
1800-2200	426	45%	32%	21%	1%
2200-2600	558	54%	25%	21%	0%
2600+	58	93%	2%	5%	—

Évolution par décennie (% des parties)

Décennie	N parties	7…a6	7…cxd4	7…Be7	7…Bd7
1950s	12	33%	50%	17%	—
1960s	16	50%	6%	38%	—
1970s	22	45%	18%	36%	—
1980s	32	41%	31%	25%	—
1990s	163	39%	34%	25%	2%
2000s	349	38%	37%	23%	1%
2010s	359	44%	31%	23%	1%
2020s	319	73%	17%	9%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…a6	44%	73%	▲ +29.1%
7…cxd4	31%	17%	▼ -14.2%
7…Be7	23%	9%	▼ -13.7%
7…Bd7	1%	0%	▼ -0.6%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 1 partie
Ding, Liren — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

7…a6 — 49.1% (625 parties)

1952 — De Souza Mendes, Joao vs Gruenfeld, Ernst — 1/2-1/2 — Vienna 5253 Vienna AUT
1952 — Gadalinski, Jan vs Litmanowicz, Wladyslaw — 1/2-1/2 — Katowice POL
1958 — Donner, Jan-Hein vs Beck, Alec — 1/2-1/2 — Munchen olm
1959 — Miguel, Nahuel vs De Souza Mendes, Joao — 1-0 — Mar del Plata ARG
1960 — Brandwein, Steve vs Curdo, John — 0-1 — Massachusetts

7…cxd4 — 29.2% (372 parties)

1950 — Eugenio, Sarah De Oliveira vs Primavera, Giuseppe — 1/2-1/2 — Venice ITA
1952 — Amaro, Lucas Ibrair vs Sanchez, Jose — 1/2-1/2 — Buenos Aires ARG
1953 — Derenbach, Horst vs Hantke, Rolf — 1/2-1/2 — Soest NED
1957 — Bronstein, David I vs Fuchs, Reinhart — 1-0 — Gotha GER
1958 — Blackstone, John vs Metz, Frank A — 1-0 — Barbera Santa CA

7…Be7 — 20.4% (259 parties)

1954 — Ilivitsky, Georgy A vs Kholmov, Ratmir D — 1/2-1/2 — Kiev ch-URS
1959 — Litmanowicz, Wladyslaw vs Buljovcic, Ivan — 1/2-1/2 — Warsaw POL
1963 — Lengyel, Laszlo vs Lokvenc, Josef — 1-0 — Miskolc Asztalos mem
1966 — Pomar Salamanca, Arturo vs Bosch van Rosenthal, Edzard — 1-0 — Amsterdam NED
1966 — Visier Segovia, Fernando vs Wade, Robert G — 0-1 — Palma de Majorca ESP

7…Bd7 — 0.7% (9 parties)

1990 — Freisler, Pavel vs Mozny, Milos — 1/2-1/2 — Prague CZE
1998 — Dickau, Daniel vs Ortega Morales, Javier — 1-0 — Villa Ballester ARG
1999 — A, Sergey vs Dangauthier, Jean Philippe — 0-1 — ?
2001 — Fedoseeva, Svetlana vs Strazhnik Nadezhda — 1-0 — Evpatoria
2003 — Kaeck, Ralf vs Horther-Schneider, Elsbeth — 1/2-1/2 — GER

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