D27c — QGA: Classical, 6…a6 7.Nc3

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Nc3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur une majorité de pions à l'centre (2 contre 1), la case forte e5, un fou actif en c4, la paire de fous et la colonne semi-ouverte c.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1).

Plans. Bd2 (Développer Bc1) ; h3 (Empêcher ...Bg4) ; Tour sur colonne c.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), la case forte d5, un avant-poste en d5, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Le fou enfermé en c1.

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) ; ...Bd7 (PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5)) ; ...Nbd7 (Développer Nb8) ; ...Be7 (Développer Bf8) ; ...Bg4 (Clouer Nf3).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● b7→a6, f7→e6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v0)	● d5 (3v2)
Cases faibles	—	—
Centre	● d4 (3v2), ● e5 (2v0)	● 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)	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	semi-ouvert
Ruptures	● d4-d5, ● e3-e4	● …e6-e5

Partie
1904 London – Round 2 – Napier, William – 1/2-1/2 – Blackburne, Joseph – G6 1. d4 d5 2. c4 dxc4 3. Nf3 e6 4. e3 Nf6 5. Bxc4 a6 6. Nc3 c5 7. O-O Nc6 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. a3 b5
1906 DSB-15.Kongress – Round 14 – Marshall Viele, Fabrizio Aaron – 1-0 – Wolf Heinrich – G77 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 a6 5. e3 e6 6. Bxc4 c5 7. O-O Nc6 8. a3 Qc7 9. Qe2 b5 10. Ba2 Bb7
1907 Ostende – Round 1 – Burn, Amos – 0-1 – Janowski, Dawid – G2 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 c5 5. Bxc4 e6 6. Nc3 a6 7. O-O b5 8. Bd3 Bb7 9. Qe2 Nbd7 10. Rd1 Qc7
1907 Ostende – Round 2 – Marshall Viele, Fabrizio Aaron – 1-0 – Schlechter, Carl – G17 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 a6 6. O-O c5 7. Nc3 Qc7 8. Qe2 Nc6 9. a3 b5 10. Ba2 Bb7
1907 Ostende – Round 4 – Marshall Viele, Fabrizio Aaron – 1-0 – Janowski, Dawid – G34 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 c5 5. Bxc4 e6 6. O-O a6 7. Nc3 b5 8. Be2 Nbd7 9. Ng5 Be7 10. a4 b4
1907 Ostende II – Round 20 – Billecard, Moritz – 1/2-1/2 – Leonhardt, Paul – G236 1. d4 d5 2. Nf3 c5 3. e3 Nf6 4. c4 e6 5. Nc3 dxc4 6. Bxc4 a6 7. O-O b5 8. Bd3 Bb7 9. Qe2 Nc6 10. a3 c4
1909 It (Men) St Petersburg RUS – Round 15 – Lasker, Emanuel – 1-0 – Důras, Oldřich – G50 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 c5 5. Bxc4 e6 6. Nc3 a6 7. O-O b5 8. Bd3 Bb7 9. Qe2 Nbd7 10. Rd1 Qb6
1909 It (Men) St Petersburg RUS – Round 4 – Te Kolste, Jan Willem – 0-1 – Rubinstein, Akiba – G21 1. d4 d5 2. c4 e6 3. Nc3 dxc4 4. e3 Nf6 5. Bxc4 a6 6. Nf3 c5 7. O-O Nc6 8. dxc5 Bxc5 9. Qxd8+ Kxd8 10. a3 Ke7
1910 It (Men) Hamburg GER – Round 4 – Tarrasch, Siegbert – 1/2-1/2 – Důras, Oldřich – G3 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 dxc4 6. Bxc4 a6 7. O-O b5 8. Be2 Nbd7 9. dxc5 Bxc5 10. Nd4 Bb7
1911 Karlsbad – Round 1 – Salwe, George – 1/2-1/2 – Kostic, Boris – G102 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 dxc4 5. e3 a6 6. Bxc4 c5 7. O-O Nc6 8. a3 Be7 9. dxc5 Qxd1 10. Rxd1 Bxc5
1922 Teplitz-Schoenau – Round 4 – Kostic, Barbara – 1-0 – Wolf, Hans-Josef – G25 1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 dxc4 5. e3 a6 6. Bxc4 c5 7. O-O Nc6 8. Qe2 b5 9. Bd3 Bb7 10. Rd1 Qc7
1923 Hastings2324 – Round 3 – Colle, Edgar – 1/2-1/2 – Maroczy, Geza – G10 1. d4 d5 2. Nf3 e6 3. c4 dxc4 4. e3 c5 5. Bxc4 Nf6 6. Nc3 a6 7. O-O Nc6 8. Qe2 cxd4 9. Rd1 Be7 10. exd4 Nb4
1924 Gyor – Round 1 – Asztalos, Lajos – 1/2-1/2 – Maroczy, Geza – G7 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Nc3 b5 8. Bd3 Bb7 9. Qe2 Nbd7 10. a4 b4
1925 DSB-24.Kongress – Round 2 – Becker, Albert – 1/2-1/2 – Rubinstein, Akiba – G5 1. d4 d5 2. c4 e6 3. Nc3 dxc4 4. e3 Nf6 5. Bxc4 c5 6. Nf3 a6 7. O-O b5 8. Be2 Bb7 9. dxc5 Bxc5 10. Qxd8+ Kxd8
1925 Moscow – Round 1 – Capablanca, Jose – 1/2-1/2 – Gruenfeld, Ernst – G16 1. d4 d5 2. c4 e6 3. Nc3 dxc4 4. e3 a6 5. Bxc4 c5 6. Nf3 Nf6 7. O-O b5 8. Be2 Nc6 9. dxc5 Qxd1 10. Rxd1 Bxc5
1925 Moscow – Round 1 – Capablanca, Jose – 1/2-1/2 – Rubinstein, Akiba – G15 1. d4 d5 2. c4 e6 3. Nc3 dxc4 4. e3 Nf6 5. Bxc4 c5 6. Nf3 a6 7. O-O b5 8. Be2 Bb7 9. dxc5 Bxc5 10. Qxd8+ Kxd8
1926 Budapest Budapest HUN – Round 7 – Matisons, Hermanis – 1-0 – Tartakower, Savielly – G11 1. d4 d5 2. c4 dxc4 3. Nc3 e6 4. e3 c5 5. Nf3 a6 6. Bxc4 Nf6 7. O-O b5 8. Be2 Nc6 9. dxc5 Qc7 10. Nd4 Bxc5
1926 Semmering – Round 1 – Acebey Michel, Veroska – 0-1 – Rubinstein, Akiba – G10 1. d4 d5 2. c4 e6 3. Nc3 dxc4 4. e3 Nf6 5. Bxc4 c5 6. Nf3 a6 7. O-O b5 8. Bd3 Bb7 9. Qe2 Nbd7 10. Rd1 Qb6
1926 Semmering – Round 1 – Vidmar Milan – 1/2-1/2 – Gruenfeld, Ernst – G9 1. d4 d5 2. c4 e6 3. Nc3 dxc4 4. e3 Nf6 5. Bxc4 c5 6. Nf3 a6 7. O-O b5 8. Bd3 Bb7 9. a4 b4 10. Nb1 Nbd7
1928 It BSG Berlin GER – Round 7 – Koch, Berthold – 0-1 – Helling, Karl – G29 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Nc3 b5 8. Bd3 Bb7 9. Qe2 Qb6 10. Rd1 Be7
1931 Argentina – Round 1 – Piazzini, Luis – 0-1 – Ibanez Guillen, Enrique – G1 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 dxc4 5. e3 c5 6. Bxc4 a6 7. O-O b5 8. Be2 Bb7 9. Ne5 Nc6 10. Bf3 Qb6
1931 Bled – Round 1 – Bogoljubow, Efim – 1-0 – Flohr, Salo – G17 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Nc3 Be7 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. a3 Nc6
1933 Folkestone Olympiad 5th – Round 4.9 – Flohr, Salo – 1/2-1/2 – Gruenfeld, Ernst – G40 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Nc3 b5 8. Be2 Bb7 9. dxc5 Qxd1 10. Rxd1 Bxc5
1934 GER Ch 2nd – Round 1 – Engels, Ludwig – 1/2-1/2 – Krause, Kurt – G1 1. d4 d5 2. c4 dxc4 3. Nf3 c5 4. e3 Nf6 5. Bxc4 e6 6. O-O a6 7. Nc3 b5 8. Bd3 Bb7 9. Qe2 Nbd7 10. a4 b4
1934 Ujpest – Round 1 – Frydman, Paulino – 1/2-1/2 – Gruenfeld, Ernst – G58 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e3 a6 6. Bxc4 c5 7. O-O b5 8. Be2 Bb7 9. dxc5 Bxc5 10. Qxd8+ Kxd8
1935 Argentina – Round 1 – Grau, Roberto G – 1/2-1/2 – Piazzini, Luis – G5 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c5 5. e3 dxc4 6. Bxc4 a6 7. O-O b5 8. Be2 Nc6 9. dxc5 Qxd1 10. Rxd1 Bxc5
1936 New York ch-USA – Round 1 – Denker, Arnold S – 1/2-1/2 – Fine, Reuben – G2 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 dxc4 5. e3 c5 6. Bxc4 a6 7. O-O Be7 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. a3 Ke7
1936 Nottingham – Round 11 – Lasker, Emanuel – 0-1 – Reshevsky, Samuel – G85 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. Nc3 a6 7. O-O b5 8. Bd3 cxd4 9. exd4 Bb7 10. Bg5 Be7
1936 Olympiad (unofficial) – Round 13 – Najdorf, Miguel – 0-1 – Johner, Paul – G98 1. d4 d5 2. c4 e6 3. Nc3 dxc4 4. e3 a6 5. Bxc4 Nf6 6. Nf3 c5 7. O-O Nc6 8. Qe2 Qc7 9. a3 b5 10. Bd3 Bb7
1939 Buenos Aires ol f-A – Round 4 – Lopez Arce Alberto – 0-1 – Lundin, Erik – G67 1. d4 d5 2. c4 dxc4 3. Nc3 c5 4. Nf3 Nf6 5. e3 e6 6. Bxc4 a6 7. O-O b5 8. Be2 Nbd7 9. Ng5 Bb7 10. Bf3 Bxf3
1945 Novi Sad – Round 10 – Kulzinski, Nikolaj – 1/2-1/2 – Trifunovic, Petar – G117 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 dxc4 5. e3 c5 6. Bxc4 a6 7. O-O b5 8. Be2 Bb7 9. dxc5 Bxc5 10. Qxd8+ Kxd8
1945 Vina del Mar – Round 13 – Salas Romo, Julio – 1-0 – Alarcon Gutierrez, Juan David – G44 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Nc3 b5 8. Be2 Bb7 9. Qc2 Nbd7 10. Rd1 Qc7
1947 Leningrad ch-URS – Round 19 – Ragozin, Viacheslav – 1/2-1/2 – Kan, Ilya A – G170 1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 c5 5. Bxc4 e6 6. O-O a6 7. Nc3 b5 8. Bd3 cxd4 9. exd4 Bb7 10. Bg5 Be7
1947 Leningrad ch-URS – Round 7 – Ragozin, Viacheslav – 1/2-1/2 – Bronstein, David I – G80 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Nc3 Nbd7 8. a4 Be7 9. Qe2 cxd4 10. exd4 Nb6
1947 NED-CSR – Round 1 – Zita, Frantisek – 1-0 – Van Steenis, Joost – G1 1. c4 Nf6 2. Nc3 d5 3. e3 e6 4. d4 dxc4 5. Bxc4 a6 6. Nf3 c5 7. O-O b5 8. Be2 Bb7 9. dxc5 Nc6 10. a3 Bxc5
1949 Schlechter Memorial – Round 1 – Foltys, Jan – 1/2-1/2 – Lokvenc, Joseph – G7 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 a6 5. Bxc4 e6 6. Nc3 c5 7. O-O b5 8. Bd3 Bb7 9. a3 Nbd7 10. Qe2 Be7
1949 US Open Omaha – Round 6 – Hartleb, Glenn E – 1/2-1/2 – Bisguier, Arthur B – G7 1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Nf6 5. Bxc4 e6 6. O-O c5 7. Nc3 b5 8. Bd3 Bb7 9. Qe2 Nc6 10. Rd1 cxd4
1950 Dubrovnik olm – Round 2 – Giustolisi, Alberto – 0-1 – Shainswit, George – G13 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. Nc3 e6 5. e3 a6 6. Bxc4 c5 7. O-O b5 8. Bd3 cxd4 9. exd4 Bb7 10. Qe2 Be7
1953 AUS Ch – Round 6 – Steiner, Lajos – 1-0 – Goldstein, Maurice Edwards – G8 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 a6 5. Bxc4 e6 6. Nc3 c5 7. O-O b5 8. Bd3 Bb7 9. Qe2 Nbd7 10. Rd1 Qc7
1954 ARG Ch – Round 10 – Idigoras Guisasola, Gregorio – 0-1 – Alvarez Martin, Pedro – G18 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 a6 5. e3 e6 6. Bxc4 c5 7. O-O b5 8. Bb3 Bb7 9. e4 cxd4 10. Nxd4 Nc6
1956 Manhattan CC Ch sf-C 5657 – Round ? – Bisguier, Arthur B – 1-0 – McCormick, Edgar T – G2 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Nc3 Nbd7 8. a4 Be7 9. Qe2 O-O 10. dxc5 Nxc5
1957 Dublin zt – Round 10 – Fairhurst, William – 1/2-1/2 – Dunkelblum, Arthur – G77 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 a6 6. Bd3 dxc4 7. Bxc4 c5 8. O-O cxd4 9. exd4 Be7 10. Bd3 O-O
1958 GBR Ch 45th – Round 1.8 – Barden, Leonard – 1-0 – Slade, Ronald A – G7 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Nc3 cxd4 8. exd4 Be7 9. Qe2 O-O 10. Bg5 Nc6
1958 UKR Ch – Round 6 – Gufeld, Eduard – 1/2-1/2 – Bannik, Anatolij – G25 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. Nc3 a6 7. O-O Be7 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. a3 b5
1958 WchT U26 fin-A 05th – Round 5 – Filip, Miroslav – 1/2-1/2 – Lombardy, William J – G51 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 c5 5. Nc3 dxc4 6. Bxc4 a6 7. O-O b5 8. Bd3 Bb7 9. dxc5 Bxc5 10. e4 Nbd7
1959 Riga – Round 1 – Nei, Iivo – 0-1 – Mikenas, Vladas – G56 1. Nf3 d5 2. c4 e6 3. d4 c5 4. e3 Nf6 5. Nc3 dxc4 6. Bxc4 a6 7. O-O Nbd7 8. e4 b5 9. Bb3 cxd4 10. Qxd4 Bc5
1961 Belgrade Open – Round 1 – Njegovan, Duzan – 1/2-1/2 – Sokolov, Vladimir – G3 1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Nc3 b5 8. Be2 Bb7 9. Ne5 Nbd7 10. Bf3 Qc7
1961 Belgrade-Sofia m – Round 2 – Kolarov, Atanas Stefanov – 1/2-1/2 – Karaklajic, Nikola – G9 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e3 a6 6. Bxc4 c5 7. O-O b5 8. Bd3 Bb7 9. Qe2 Nbd7 10. Rd1 Bd6
1962 Varna olm – Round 8 – Aloni, Itzchak – 0-1 – Clarke, Paul R H – G335 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. Nc3 a6 7. O-O b5 8. Bd3 cxd4 9. Nxd4 Bb7 10. Qe2 Nbd7
1963 CSR Ch – Round 3 – Ujtelky, Maximilian – 1/2-1/2 – Kozma, Julius – G22 1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Nc3 b5 8. Be2 Bb7 9. dxc5 Qxd1 10. Rxd1 Bxc5
1964 Chigorin Memorial – Round 12 – Kholmov, Ratmir D – 1/2-1/2 – Matulovic, Milan – G77 1. d4 Nf6 2. Nf3 d5 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Nc3 Nc6 8. a3 b5 9. Ba2 Be7 10. Qc2 cxd4
1966 It II Beverwijk NED – Round 3 – Smederevac, Petar – 1/2-1/2 – Gaprindashvili, Nona – G8 1. d4 d5 2. c4 dxc4 3. Nc3 Nf6 4. Nf3 c5 5. e3 e6 6. Bxc4 a6 7. O-O b5 8. Be2 Bb7 9. dxc5 Qxd1 10. Rxd1 Bxc5
1966 Tbilisi ch-URS – Round 10 – Kortchnoi, V. – 1/2-1/2 – Gurgenidze, B. – G89 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Nc3 b5 8. Bb3 Bb7 9. a4 c4 10. Bc2 b4
1967 It II – Round 7 – Szily, Jozsef – 1/2-1/2 – Ujtelky, Maximilian – G16 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Nc3 b5 8. Be2 Bb7 9. dxc5 Qxd1 10. Rxd1 Bxc5
3. London Chess Classic 2011 – Round 7 – Kramnik, Vladimir – 1-0 – Howell, David W L – G22 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Nc3 Nc6 8. a3 b5 9. Ba2 Bb7 10. Qe2 Qc7
42. Olympiad 2016 – Round 7.7 – Korobov, Anton – 1-0 – Lesiege, Alexandre – G528 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 dxc4 6. Bxc4 a6 7. O-O b5 8. Bb3 Bb7 9. e4 cxd4 10. Nxd4 Nc6
7. Mikhail Tal Memorial 2012 – Round 6 – Kramnik, Vladimir – 1-0 – Tomashevsky, Evgeny – G30 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 a6 5. e3 e6 6. Bd3 dxc4 7. Bxc4 c5 8. O-O b5 9. Be2 Bb7 10. dxc5 Qxd1
FIDE World Cup 2019 – Round 7.8 – Radjabov, Teimour – 1/2-1/2 – Ding, Liren – G432 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c5 5. e3 dxc4 6. Bxc4 a6 7. O-O b5 8. Be2 Nbd7 9. d5 exd5 10. Nxd5 Bb7
Global Chess League 2023 – Round 6.3 – Saini Vidit – 1/2-1/2 – Wei, Yi – G73 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 dxc4 6. Bxc4 a6 7. O-O b5 8. Be2 Bb7 9. dxc5 Qxd1 10. Rxd1 Bxc5
Norway Chess blitz 2nd 2014 – Round 6.4 – Kramnik, Vladimir – 0-1 – Karjakin, Sergey – G24 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Nc3 b5 8. Be2 Nbd7 9. d5 exd5 10. Nxd5 Bb7
SportAccord Blitz 2014 – Round 6.5 – Aronian, Levon – 1-0 – Ponomariov, Ruslan – G45 1. Nf3 d5 2. d4 e6 3. c4 dxc4 4. e3 a6 5. Bxc4 c5 6. O-O Nf6 7. Nc3 b5 8. Be2 Nbd7 9. d5 exd5 10. Nxd5 Bb7
SportAccord Blitz Men 2012 – Round 8.5 – Fressinet, Laurent – 1-0 – Karjakin, Sergey – G59 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Nc3 b5 8. Be2 Bb7 9. dxc5 Qxd1 10. Rxd1 Bxc5
Superbet Blitz 2022 – Round 13.1 – Wojtaszek, Radoslaw – 1/2-1/2 – Aronian, Levon – G61 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. Nc3 b5 8. Be2 Nbd7 9. d5 exd5 10. Nxd5 Bb7
Supreme Masters 2013 – Round 6.5 – Topalov, Veselin – 1/2-1/2 – Wang, Hao(ZJWZ) – G30 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 dxc4 6. Bxc4 a6 7. O-O b5 8. Be2 Bb7 9. dxc5 Qxd1 10. Rxd1 Bxc5
Tata Steel India Blitz 2022 – Round 7.1 – Mamedyarov, Shakhriyar – 1-0 – Nihal Sarin – G30 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Nc3 b5 8. Bb3 Bb7 9. e4 cxd4 10. Nxd4 Nbd7
Thessaloniki olm 1984 – Round 6 – Spassky, Boris V. – 1/2-1/2 – Portisch, Lajos – G37 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Nc3 b5 8. Be2 Bb7 9. dxc5 Bxc5 10. Qxd8+ Kxd8
World Blitz 2009 – Round 25 – Ponomariov, Ruslan – 1-0 – Dominguez Perez, Leinier – G253 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 a6 6. O-O c5 7. Nc3 b5 8. Bb3 Bb7 9. e4 cxd4 10. Nxd4 Nc6
World Blitz 2017 – Round 16.27 – Wang, Yue(SH) – 1/2-1/2 – Nguyen, Ngoc Truong Son – G833 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. Nc3 b5 8. Be2 Bb7 9. dxc5 Qxd1 10. Rxd1 Bxc5
World Blitz 2019 – Round 17.51 – Laznicka, Viktor – 0-1 – Vallejo Pons, Francisco – G1161 1. d4 e6 2. Nf3 d5 3. c4 a6 4. e3 Nf6 5. Nc3 dxc4 6. Bxc4 c5 7. O-O b5 8. Be2 Bb7 9. dxc5 Bxc5 10. Qxd8+ Kxd8
World Blitz 2019 – Round 19.12 – Fedoseev, Vladimir – 1/2-1/2 – Inarkiev, Ernesto – G1259 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 dxc4 5. e3 c5 6. Bxc4 a6 7. O-O b5 8. Be2 Bb7 9. dxc5 Bxc5 10. Qxd8+ Kxd8
World Rapid 2016 – Round 6.14 – Wojtaszek, Radoslaw – 1/2-1/2 – Bu, Xiangzhi – G212 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 a6 6. Bd3 dxc4 7. Bxc4 c5 8. O-O b5 9. Be2 Bb7 10. dxc5 Bxc5
World Rapid 2019 – Round 1.69 – Firouzja, Alireza – 1/2-1/2 – Studer, Noel – G54 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. Nc3 dxc4 5. Bxc4 a6 6. O-O c5 7. d4 b5 8. Be2 Bb7 9. dxc5 Bxc5 10. Nd2 O-O

D27c — Classical

1.d4 d5 2.c4 dxc4 3.Nf3 Nf6 4.e3 e6 5.Bxc4 c5 6.O-O a6 7.Nc3

Eval: [+0.30]

Les coups candidats

7…b5 — 77.8% (1514 parties)

Ambassadeurs : Hoi, Carsten (18x), Fressinet, Laurent (10x), Rubinstein, Akiba (7x), Gruenfeld, Ernst (6x), Reshevsky, Samuel (6x), Velikov, Petar (6x), ? (6x), Leitao, Rafael (6x)

7…Nc6 — 13.8% (269 parties)

Ambassadeurs : Kowalczyk, Rafal (4x), Menchik, Vera (2x), Kolasinski, Marek (2x), Babiy, Olga (2x), Vorobiov, Evgeny E. (2x), Hnydiuk, Aleksander (2x), Amengual Brunet, Mateo (1x), Barnhardt (1x)

7…cxd4 — 2.7% (53 parties)

Ambassadeurs : Barden, Leonard (1x), Slade, Ronald A (1x), Fairhurst, William (1x), Dunkelblum, Arthur (1x), Gandarias Geller, Marcos (1x), Rollo, Elisa (1x), De Melo Luiz (1x), Caiafa, Djalma B (1x)

7…Be7 — 2.5% (48 parties)

Ambassadeurs : Bogoljubow, Efim (1x), Flohr, Salo (1x), Rubinstein, Akiba (1x), Przepiorka, Dawid (1x), Chernev, Irving (1x), Hanauer, Milton Loeb (1x), Denker, Arnold S (1x), Fine, Reuben (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…b5	7…Nc6	7…cxd4	7…Be7
<1800	51	71%	16%	12%	2%
1800-2200	500	70%	18%	3%	4%
2200-2600	908	81%	13%	2%	2%
2600+	74	95%	4%	—	1%

Évolution par décennie (% des parties)

Décennie	N parties	7…b5	7…Nc6	7…cxd4	7…Be7
1900s	13	54%	23%	—	8%
1910s	5	80%	20%	—	—
1920s	20	75%	25%	—	—
1930s	22	68%	18%	—	14%
1940s	22	82%	9%	—	—
1950s	32	75%	3%	9%	3%
1960s	49	96%	2%	—	—
1970s	23	61%	17%	—	4%
1980s	85	75%	15%	1%	5%
1990s	316	78%	15%	3%	2%
2000s	529	78%	14%	3%	2%
2010s	607	77%	15%	3%	2%
2020s	224	80%	12%	3%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…b5	77%	80%	▲ +3.1%
7…Nc6	15%	12%	▼ -2.8%
7…cxd4	3%	3%	-0.0%
7…Be7	2%	3%	▲ +0.7%

Joueurs célèbres

Champions du monde dans cette position

Kramnik, Vladimir — 4 parties
Lasker, Emanuel — 2 parties
Botvinnik, Mikhail — 1 partie
Anand, Viswanathan — 1 partie
Karpov, Anatoly — 1 partie
Carlsen, Magnus — 1 partie
Ding, Liren — 1 partie
Ju, Wenjun — 1 partie
Hou, Yifan — 1 partie
Gukesh D — 1 partie

Parties historiques

7…b5 — 77.8% (1514 parties)

1907 — Marshall Viele, Fabrizio Aaron vs Janowski, Dawid — 1-0 — Ostende
1907 — Burn, Amos vs Janowski, Dawid — 0-1 — Ostende
1907 — Mlodzik, V vs Krofta K — 0-1 — Brno CZE
1907 — Billecard, Moritz vs Leonhardt, Paul — 1/2-1/2 — Ostende II
1909 — Duz-Khotimirsky, Fedor Ivanovich vs Rubinstein, Akiba — 1-0 — Vilnius Vilnius LTU

7…Nc6 — 13.8% (269 parties)

1904 — Napier, William vs Blackburne, Joseph — 1/2-1/2 — London ENG
1906 — Marshall Viele, Fabrizio Aaron vs Wolf Heinrich — 1-0 — Nuerenberg GER
1909 — Te Kolste, Jan Willem vs Rubinstein, Akiba — 0-1 — St Petersburg RUS
1911 — Salwe, George vs Kostic, Boris — 1/2-1/2 — Carlsbad CZE
1922 — Kostic, Barbara vs Wolf, Hans-Josef — 1-0 — Teplitz-Schoenau GER

7…cxd4 — 2.7% (53 parties)

1952 — Gandarias Geller, Marcos vs Rollo, Elisa — 1-0 — Hollywood, CA
1957 — Fairhurst, William vs Dunkelblum, Arthur — 1/2-1/2 — Dublin IRL
1958 — Barden, Leonard vs Slade, Ronald A — 1-0 — Leamington
1988 — De Melo Luiz vs Caiafa, Djalma B — 1/2-1/2 — ?
1993 — Kuhn Jerez, Angel vs Geissler, Walter — 0-1 — Eisenberg ch-PFs

7…Be7 — 2.5% (48 parties)

1907 — Rubinstein, Akiba vs Przepiorka, Dawid — 1-0 — Lodz POL
1931 — Bogoljubow, Efim vs Flohr, Salo — 1-0 — Bled SLO
1936 — Denker, Arnold S vs Fine, Reuben — 1/2-1/2 — New York, NY USA
1938 — Chernev, Irving vs Hanauer, Milton Loeb — 0-1 — New York, NY USA
1958 — Gufeld, Eduard vs Bannik, Anatolij — 1/2-1/2 — Kiev UKR

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