D40i — QGD: Semi-Tarrasch, 5.e3 Nc6 6.a3

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.e3 Nc6 6.a3 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte b5….

Atouts. Les Blancs s'appuient sur les cases fortes b5 et e5 et la paire de fous.

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

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les fous c1 et f1 et les tours a1 et h1).

Plans. Bd2 (Développer Bc1) ; Bd3 (Développer Bf1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte e4.

Atouts. Les Noirs s'appuient sur la case forte e4, un avant-poste en e4 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et f1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les fous c8 et f8 et les tours a8 et h8).

Plans. ...Bd7 (PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bg4, ...Bf5)) ; ...Be7 (Développer Bf8) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→a3, f2→e3, e3→d4	● e6→d5, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● e5 (2v1)	● e4 (2v1)
Cases faibles	—	—
Centre	● d4 (3v2), ● e5 (2v1)	● d5 (3v2), ● e4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bf1	● Bf1 Non développé (mob. 2)
Bc8		● Bc8 Non développé (mob. 1)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	4 (● c1, ● f1, ● a1, ● h1)	4 (● 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	fermé
Ruptures	● e3-e4	● …e6-e5

Partie
1905 Hauptturnier A – Round 2 – Rubinstein, Akiba – 1-0 – Heilmann, Ernst – G6 1. d4 d5 2. Nf3 e6 3. c4 c5 4. e3 Nf6 5. Nc3 Nc6 6. a3 b6 7. cxd5 exd5 8. Bb5 Qd6 9. e4 Bd7 10. e5 Qe7
1905 It (Men) Stockholm SWE – Round 2 – Rubinstein, Akiba – 1/2-1/2 – Marshall, Frank – G5 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c4 e6 5. Nc3 Nf6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 O-O 10. cxd5 exd5
1907 Ostende – Round 2 – Schlechter, Carl – 1/2-1/2 – Tarrasch, Siegbert – G18 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c4 e6 5. a3 Nf6 6. Nc3 Be7 7. Bd3 O-O 8. O-O b6 9. b3 Bb7 10. Bb2 cxd4
1907 Ostende II – Round 6 – Alvarez Lee, Felix – 0-1 – Von Scheve, Theodor – G71 1. d4 d5 2. Nf3 c5 3. e3 e6 4. c4 Nf6 5. Nc3 Nc6 6. a3 Be7 7. Bd3 O-O 8. O-O b6 9. b3 dxc4 10. bxc4 Kh8
1907 Ostende II – Round 9 – Billecard, Moritz – 1-0 – Suechting, Hugo – G105 1. d4 d5 2. Nf3 c5 3. e3 Nf6 4. c4 e6 5. Nc3 Nc6 6. a3 a5 7. Bd3 Be7 8. O-O O-O 9. Qe2 dxc4 10. Bxc4 cxd4
1909 It (Men) St Petersburg RUS – Round 1 – Salwe, Georg – 0-1 – Vidmar Milan – G3 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 O-O 10. Bd3 a5
1910 Buenos Aires sim – Round ? – Lasker, Emanuel – 1-0 – Nollmann, Jorge – G2 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c5 5. e3 Nc6 6. a3 Be7 7. dxc5 dxc4 8. Qxd8+ Nxd8 9. Bxc4 Bxc5 10. b4 Bb6
1910 DSB-17.Kongress – Round 15 – Duz-Khotimirsky, Fedor Ivanovich – 0-1 – Tarrasch, Siegbert – G93 1. d4 d5 2. c4 e6 3. Nf3 c5 4. e3 Nf6 5. Nc3 Nc6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 O-O 10. cxd5 exd5
1910 It (Men) Hamburg GER – Round 16 – Duz-Khotimirsky, Fedor Ivanovich – 1-0 – Leonhardt, Paul – G12 1. d4 d5 2. Nf3 c5 3. e3 Nf6 4. c4 e6 5. Nc3 Nc6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bb6 9. Bb2 O-O 10. Be2 Qe7
1911 Karlsbad – Round 1 – Levenfish, Grigory – 0-1 – Rotlewi, Georg – G36 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 O-O 10. cxd5 exd5
1912 BCF Ch 9th – Round 3 – Gibson, William – 1-0 – Michell, Reginald – G3 1. d4 d5 2. c4 e6 3. Nf3 c5 4. e3 Nf6 5. Nc3 Nc6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 O-O 10. Rc1 a6
1913 St Petersburg – Round 1 – Salwe, Georg – 0-1 – Alekhine, Alexander – G3 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c4 e6 5. Nc3 Nf6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 a5 10. b5 Ne5
1914 St Petersburg RUS – Round 5 – Salwe, Georg H S – 0-1 – Alekhine, Alexander – G4 1. d4 d5 2. Nf3 c5 3. e3 Nc6 4. c4 e6 5. Nc3 Nf6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 a5 10. b5 Ne5
1921 Kosice sim – Round ? – Breyer, Gyula – 1/2-1/2 – Sindler, Helene – G5 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. e3 c5 5. Nf3 Nc6 6. a3 b6 7. dxc5 bxc5 8. cxd5 exd5 9. Bb5 Bb7 10. Qa4 Qb6
1922 Bad Pistyan – Round 5 – Tartakower, Savielly – 1-0 – Wolf, Hans-Josef – G34 1. d4 d5 2. Nf3 c5 3. e3 Nf6 4. c4 e6 5. Nc3 Nc6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 O-O 10. Qc2 Qe7
1922 Bad Pistyan Breyer Memorial-A – Round 3 – Przepiorka, Dawid – 1/2-1/2 – Marco, Georg – G11 1. d4 e6 2. Nf3 Nf6 3. c4 c5 4. e3 d5 5. Nc3 Nc6 6. a3 Be7 7. dxc5 dxc4 8. Qc2 Bxc5 9. Bxc4 a6 10. O-O O-O
1922 Carrasco – Round 14 – Grau, Roberto G – 1-0 – Barboza de Oliveira, Antonio Americo – G8 1. d4 d5 2. Nf3 e6 3. c4 c5 4. Nc3 Nf6 5. e3 Nc6 6. a3 Be7 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 b6 10. cxd5 exd5
1928 Dortmund – Round 9 – Chigorin, Mikhail – 0-1 – Steinitz, Wilhelm – G21 1. Nf3 Nf6 2. d4 d5 3. c4 c5 4. e3 e6 5. Nc3 Nc6 6. a3 a5 7. Bd3 Be7 8. O-O O-O 9. Re1 Kh8 10. b3 Bd7
1928 It BSG Berlin GER – Round 5 – Ahues, Carl – 1/2-1/2 – Helling, Karl – G18 1. d4 d5 2. Nf3 Nf6 3. e3 c5 4. c4 e6 5. Nc3 Nc6 6. a3 b6 7. cxd5 Nxd5 8. Bb5 Bb7 9. Ne5 Qc7 10. Qa4 Ne7
1930 Frankfurt – Round 3 – Ahues, Carl – 1/2-1/2 – Saemisch, Friedrich – G15 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. e3 c5 5. Nc3 Nc6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 O-O 10. Be2 dxc4
1931 Berlin – Round 4 – Steiner, Herman – 1-0 – Helling, Carl – G14 1. d4 d5 2. c4 e6 3. Nf3 c5 4. Nc3 Nc6 5. e3 Nf6 6. a3 Bd6 7. cxd5 exd5 8. dxc5 Bxc5 9. b4 Bd6 10. Bb2 O-O
1931 Moskou ch-URS – Round 1 – Verlinsky, Boris – 1-0 – Sozin, Veniamin – G127 1. Nf3 d5 2. d4 Nf6 3. e3 c5 4. c4 e6 5. Nc3 Nc6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 O-O 10. cxd5 exd5
1933 Folkestone Olympiad V – Round 9.21 – Rosselli del Turco, Stefano – 1/2-1/2 – Alekhine, Alexander – G29 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 a5 10. b5 Ne5
1933 GER Ch 1st – Round 2 – Leonhardt, Paul – 0-1 – Koch, Berthold – G5 1. c4 e6 2. Nf3 c5 3. e3 Nc6 4. d4 d5 5. Nc3 Nf6 6. a3 Bd6 7. cxd5 exd5 8. Nb5 Bg4 9. Be2 Be7 10. dxc5 Bxc5
1935 Copenhagen – Round 1 – Andersen, Erik – 1-0 – Nielsen, Julius – G1 1. d4 d5 2. Nf3 c5 3. c4 e6 4. e3 Nf6 5. Nc3 Nc6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 O-O 10. Qb3 Qe7
1935 Warsaw ol – Round ? – Rosselli del Turco, Stefano – 0-1 – Bolbochan, Jacobo – G50 1. d4 d5 2. Nf3 Nf6 3. e3 c5 4. c4 e6 5. Nc3 Nc6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 a6 10. Qc2 Qe7
1935 Warszawa ol – Round 8 – Rosselli del Turco, Stefano – 0-1 – Bolbochan, Jacobo – G1 1. d4 d5 2. Nf3 Nf6 3. e3 c5 4. c4 e6 5. Nc3 Nc6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 a6 10. Qc2 Qe7
1936 Budapest – Round 4 – Lovas, Gyula – 0-1 – Barcza, Gedeon – G19 1. Nf3 d5 2. c4 e6 3. e3 Nf6 4. Nc3 c5 5. d4 Nc6 6. a3 Bd6 7. cxd5 exd5 8. Bd3 O-O 9. dxc5 Bxc5 10. Ne2 Bg4
1943 GER Ch 10th – Round 4 – Doerner, Charles – 1-0 – Kieninger, Georg – G7 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c5 5. e3 Nc6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. cxd5 exd5 10. Be2 O-O
1946 Augsburg 1st – Round 11 – Nuernberg, Friedrich – 0-1 – Tautvaisas, Povilas – G21 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c5 5. e3 Nc6 6. a3 Be7 7. dxc5 Bxc5 8. b4 Bb6 9. c5 Bc7 10. Bb2 O-O
1947 Berlin GER – Round 5 – Koch, Berthold – 1-0 – Steneberg, Fritz – G3 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. e3 c5 5. Nc3 Nc6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 a5 10. c5 Bb8
1952 Zuerich LB – Round ? – Lundin, Erik – 1-0 – Staehelin, Adolf – G8 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c5 5. e3 Nc6 6. a3 b6 7. cxd5 exd5 8. Bb5 Qd6 9. e4 dxe4 10. d5 Nxd5
1956 Moscow olm prel – Round 1 – Minev, Nikolay N – 1/2-1/2 – Morcken, Otto B – G2 1. c4 e6 2. Nc3 d5 3. e3 Nf6 4. Nf3 c5 5. d4 Nc6 6. a3 b6 7. cxd5 Nxd5 8. Bb5 Bb7 9. Ne5 Rc8 10. Qa4 Qc7
1956 Moscow olm prel – Round 6 – Dunkelblum, Arthur – 0-1 – Barcza, Gedeon – G175 1. c4 Nf6 2. Nf3 e6 3. Nc3 c5 4. e3 Nc6 5. d4 d5 6. a3 Be7 7. dxc5 O-O 8. Be2 dxc4 9. Qxd8 Rxd8 10. Bxc4 Bxc5
1957 Moskou ch-URS – Round 17 – Tal, Mikhail – 1/2-1/2 – Aronin, Lev – G167 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 O-O 10. Qc2 Ne5
1957 New Jersey State Ch Open – Round 4 – Sherwin, James T – 1-0 – Chertkof, Arnold – G13 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. a3 b6 7. cxd5 Nxd5 8. Bb5 Bb7 9. Ne5 Rc8 10. Qa4 Qc7
1958 BUL Ch – Round ? – Minev, Nikolay N – 1-0 – Filipov, Filip – G26 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. e3 d5 5. Nc3 Nc6 6. a3 b6 7. cxd5 exd5 8. Bb5 Bd7 9. Ne5 Qc7 10. Nxd7 Qxd7
1961 Katowice ch18-POL – Round 3 – Borowski, Natan – 1-0 – Grabczewski, Romuald – G30 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 O-O 10. Qb3 a5
1961 Nykobing – Round 9 – From, Sigfred – 0-1 – Holm, Sejer – G43 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. Nc3 d5 5. e3 Nc6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 O-O 10. cxd5 exd5
1961 Oberhausen etc – Round 6 – Udovcic, Mijo – 1-0 – Schuster, Thomas – G149 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. a3 Be7 7. dxc5 Bxc5 8. b4 Bb6 9. Bb2 O-O 10. Qc2 Ne7
1962 Skopje ch17-YUG – Round 1 – Lukic, Arsenije – 0-1 – Mejic, Petar – G15 1. d4 d5 2. Nf3 e6 3. c4 c5 4. e3 Nf6 5. Nc3 Nc6 6. a3 Be7 7. dxc5 Bxc5 8. b4 Be7 9. Bb2 O-O 10. Rc1 a6
1963 POL Ch 20th – Round 8 – Brzozka, Stefan – 1/2-1/2 – Manasterski, Lutoslaw – G47 1. c4 c5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 e6 5. d4 d5 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. cxd5 exd5 10. Nb5 Bb8
1963 Sarajevo – Round 6 – Ivkov, Borislav – 1/2-1/2 – Kozomara, Vlado – G34 1. d4 Nf6 2. Nf3 c5 3. e3 e6 4. c4 d5 5. Nc3 Nc6 6. a3 Be7 7. dxc5 Bxc5 8. b4 Be7 9. cxd5 Nxd5 10. Nxd5 exd5
1964 Hoogovens-B – Round 6 – Henneberke, Frans – 1/2-1/2 – Kieninger, Georg – G22 1. d4 c5 2. e3 d5 3. Nf3 Nf6 4. c4 e6 5. Nc3 Nc6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. cxd5 exd5 10. Bb2 O-O
1965 Asztalos Memorial 8th – Round 8 – Gasztonyi, Endre – 1/2-1/2 – Lengyel, Levente – G49 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 O-O 10. c5 Bb8
1966 La Habana olm fin-B – Round 5 – Prameshuber, Alexander – 1/2-1/2 – Ojanen, Kaarle S – G75 1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. e3 d5 5. Nc3 Nc6 6. a3 Bd6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 a5 10. c5 Bc7
1966 Malaga 06th – Round 5 – Toran Albero, Roman – 1/2-1/2 – Wade, Robert G – G10 1. d4 Nf6 2. Nf3 c5 3. e3 d5 4. c4 e6 5. Nc3 Nc6 6. a3 a5 7. Bd3 Be7 8. O-O O-O 9. b3 b6 10. Bb2 Bb7
1967 ISR Ch – Round 13 – Kraidman, Yair – 1/2-1/2 – Czerniak, Moshe – G56 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. a3 Bd6 7. cxd5 exd5 8. dxc5 Bxc5 9. Be2 O-O 10. O-O a6
1968 Cardenas/Matanzas/Santa Clara – Round 6 – Letelier Martner, Rene – 1-0 – Pena Felix, Gustavo Adolfo – G28 1. c4 e6 2. Nf3 d5 3. d4 c5 4. e3 Nc6 5. Nc3 Nf6 6. a3 a5 7. Be2 Be7 8. O-O O-O 9. Qc2 cxd4 10. exd4 dxc4
1969 It – Round 8 – Saemisch, Friedrich – 0-1 – Zaitsev, Alexander – G5 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. a3 a5 7. Bd3 Bd6 8. O-O O-O 9. Qc2 b6 10. Rd1 Bb7
1969 Moscow – Round 1 – Kholmov, Ratmir D – 1/2-1/2 – Platonov, Igor V – G4 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. e3 Nc6 6. a3 Be7 7. cxd5 Nxd5 8. Bd3 O-O 9. O-O Bf6 10. Be4 cxd4
1969 Moskou ch-URS – Round 1 – Savon, Vladimir – 1/2-1/2 – Polugaevsky, Lev – G28 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. a3 Be7 7. dxc5 Bxc5 8. b4 Be7 9. cxd5 exd5 10. Be2 O-O
1969 Praia da Rocha zt – Round 15 – Littleton, Michael F – 0-1 – Huguet, Bernard – G46 1. d4 c5 2. e3 Nf6 3. Nf3 e6 4. c4 d5 5. Nc3 Nc6 6. a3 b6 7. cxd5 Nxd5 8. Bb5 Bb7 9. Ne5 Nxc3 10. Qf3 Qc7
FIDE Grand Swiss 2025 – Round 7 – Aronian Levon – 1/2-1/2 – Puranik Abhimanyu – G360 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 6. a3 h6 7. dxc5 Bxc5 8. b4 Bd6 9. Bb2 O-O 10. cxd5 exd5
World Blitz 2021 – Round 19.46 – Zvjaginsev, Vadim – 1-0 – Puranik, Abhimanyu – G1125 1. c4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. e3 e6 5. d4 d5 6. a3 h6 7. Bd3 cxd4 8. exd4 Be7 9. O-O O-O 10. cxd5 Nxd5

D40i — Semi-Tarrasch

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.e3 Nc6 6.a3

Les coups candidats

6…a6 — 42.8% (2376 parties) →

Ambassadeurs : Tal, Mikhail (12x), Marjanovic, Slavoljub (9x), Ivkov, Borislav (7x), Wedberg, Tom (7x), Knezevic, Milorad (6x), Belov, Igor (6x), Stahlberg, Gideon (5x), Rashkovsky, Nukhim N (5x)

6…cxd4 — 25.9% (1437 parties) →

Ambassadeurs : Ivkov, Borislav (11x), Sveshnikov, Evgeny (9x), Forintos, Gyozo V (7x), Farago, Ivan (6x), Popov, Luben (5x), Oestreich, Reinhard (5x), Daurelle, Herve (5x), Kharlov, Andrei (5x)

6…dxc4 — 10.5% (585 parties) →

Ambassadeurs : Ivkov, Borislav (5x), Nepomniachtchi, Ian (5x), Gelfand, Boris (4x), Potkin, Vladimir (4x), Maroczy, Geza (3x), Salwe, Georg (3x), Kanyamarala, Tarun (3x), Fressinet, Laurent (3x)

6…Ne4 — 7.7% (430 parties) →

Ambassadeurs : Golubka, Petro (5x), Weyerstrass, Ronald (4x), Teschner, Rudolf (3x), Benko, Pal (3x), Najdorf, Miguel (3x), Vaisser, Anatoly (3x), Kiik, Kalle (3x), Brandner, Stefan (3x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…a6	6…cxd4	6…dxc4	6…Ne4
<1800	126	33%	17%	6%	4%
1800-2200	1308	41%	27%	9%	5%
2200-2600	2674	50%	26%	10%	9%
2600+	156	51%	12%	29%	7%

Évolution par décennie (% des parties)

Décennie	N parties	6…a6	6…cxd4	6…dxc4	6…Ne4
1840s	14	43%	—	—	—
1850s	10	60%	—	—	—
1870s	5	40%	—	20%	—
1880s	5	40%	20%	40%	—
1890s	9	11%	—	44%	—
1900s	78	37%	15%	19%	12%
1910s	44	25%	20%	9%	7%
1920s	32	16%	16%	6%	6%
1930s	50	24%	20%	10%	12%
1940s	40	30%	20%	18%	8%
1950s	86	26%	37%	15%	13%
1960s	206	31%	40%	11%	6%
1970s	276	40%	26%	8%	17%
1980s	457	49%	31%	4%	10%
1990s	956	41%	28%	7%	10%
2000s	1239	41%	28%	7%	8%
2010s	1469	50%	23%	9%	5%
2020s	579	41%	19%	30%	4%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…a6	50%	41%	▼ -8.4%
6…cxd4	23%	19%	▼ -4.6%
6…dxc4	9%	30%	▲ +20.8%
6…Ne4	5%	4%	▼ -1.1%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 10 parties
Tal, Mikhail — 10 parties
Kasparov, Garry — 7 parties
Anand, Viswanathan — 7 parties
Smyslov, Vladimir — 5 parties
Lasker, Emanuel — 4 parties
Gukesh D — 4 parties
Euwe, Max — 3 parties
Botvinnik, Mikhail — 3 parties
Ding, Liren — 3 parties
Steinitz, Wilhelm — 2 parties
Kramnik, Vladimir — 2 parties
Carlsen, Magnus — 1 partie

Parties historiques

6…a6 — 42.8% (2376 parties)

1843 — Staunton, Howard vs Saint Amant, Pierre C — 1/2-1/2 — Paris FRA
1843 — Saint Amant, Pierre C vs Staunton, Howard — 1/2-1/2 — Paris FRA
1843 — Saint Amant, Pierre C vs Staunton, Howard — 1/2-1/2 — Paris FRA
1846 — Williams, Elijah J vs Kennedy, Hugh A — 1-0 — London ENG
1848 — Anderssen, Adolf vs Harrwitz, Daniel — 0-1 — Breslau GER

6…cxd4 — 25.9% (1437 parties)

1883 — McKenzie, George vs Englisch, Berthold — 1/2-1/2 — London ENG
1902 — Mason, James vs Teichmann, Richard — 1/2-1/2 — Monte Carlo MNC
1902 — Rubinstein, Akiba vs Oskam, Gerard — 0-1 — Monte Carlo MNC
1903 — Stamm, Gabriel vs Rubinstein, Akiba — 0-1 — Kiev UKR
1904 — Lee, Francis J vs Atkins, Henry Ernest — 1-0 — Hastings ENG

6…dxc4 — 10.5% (585 parties)

1878 — Metger, Johannes vs Adolf, Feraydo — 0-1 — Frankfurt GER
1881 — Zukertort, Johannes vs Noa, Joseph — 1/2-1/2 — Berlin GER
1886 — Zukertort, Johannes vs Steinitz, Wilhelm — 0-1 — St.Louis wch-m
1897 — Charousek, RFaehndrich, H vs Marco, GSchlechter, C — 1/2-1/2 — Vienna AUT
1897 — Charousek Rudolf Rezso vs Marco, Georg — 1/2-1/2 — Vienna AUT

6…Ne4 — 7.7% (430 parties)

1904 — Janowsky, D. vs Marshall Viele, Fabrizio Aaron — 0-1 — Cambridge
1905 — Rubinstein, Akiba vs Levitsky, Stepan — 1/2-1/2 — St Petersburg RUS
1907 — Vidmar Milan vs Rubinstein, Akiba — 1/2-1/2 — Carlsbad CZE
1907 — Sery, Jean Rodrigue vs Brockl, J. — 1-0 — Brno CZE
1907 — Nimzowitsch, Aron vs Mieses, Jacques — 0-1 — Vienna AUT

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