C79b — Spanish: Steinitz Deferred, 6.c3

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O d6 6.c3 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur un fou actif en a4 et la paire de fous.

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

En contrepartie. Plusieurs pièces dorment encore (le cavalier b1, le fou c1 et la tour a1).

Plans. Nc3 (Développer Nb1) ; d3 (Libérer Bc1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la case forte g4 et la paire de fous.

Côté adverse. Le fou enfermé en c1 et une pièce en prise (le pion en e4).

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. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Bg4 (Développer Bc8, clouer Nf3) ; ...Be7 (Développer Bf8) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3, d2→c3	● d6→e5, b7→a6, c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● g4 (2v0)
Cases faibles	—	—
Centre	—	● e4 (1v0), ● e5 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Ba4	● Ba4 Actif (mob. 4)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Clouages	—	● knight c6
Non développées	3 (b1, 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	fermé
Ruptures	● c3-c4, ● d2-d3	● …d6-d5

Partie
1905 It (Men) Stockholm SWE – Round 14 – Wolf, Hans-Josef – 0-1 – D Marco, Gianni – G51 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Be7 7. d4 b5 8. Bc2 O-O 9. h3 Re8 10. Nbd2 Bf8
1905 It (Men) Stockholm SWE – Round 16 – Marchand, Max – 1/2-1/2 – Burn, Amos – G59 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. Re1 g6 8. d4 Bg7 9. Nbd2 O-O 10. Bxc6 Bxc6
1922 Hastings Premier /23 3rd – Round 4 – Reti, Richard – 0-1 – Rubinstein, Akiba – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 b5 7. Bc2 Be7 8. d4 O-O 9. a4 Bg4 10. d5 Na5
1924 BCF Ch 17th – Round 6 – Saunders, Harold – 1-0 – Spencer, Edmund – G27 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nf6 6. O-O Be7 7. Qe2 O-O 8. d4 exd4 9. Nxd4 Bd7 10. Bc2 Re8
1924 Gyor – Round 13 – Przepiorka, Dawid – 1-0 – Cs. Nagy, Gabor – G84 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 b5 7. Bc2 d5 8. exd5 Qxd5 9. Bb3 Qd3 10. Re1 Bd6
1925 Marienbad – Round 10 – Bellod Thomas, Gonzalo – 1-0 – Janowski, Dawid – G63 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bg4 7. h3 Bh5 8. d3 h6 9. g4 Bg6 10. Nh4 Bh7
1925 Moscow – Round 1 – Verlinsky, Boris – 1-0 – Saemisch, Friedrich – G92 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bg4 7. d4 Nd7 8. Be3 Be7 9. Re1 O-O 10. Nbd2 b5
1929 World Championship 14th – Round 20 – Bogoljubow, Efim – 1/2-1/2 – Alekhine, Alexander – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nf6 6. O-O Bd7 7. d4 Be7 8. d5 Nb8 9. Bc2 Bg4 10. c4 Nbd7
1931 Budapest – Round 1 – Steiner, Endre – 0-1 – Havasi, Kornel – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. Qe2 Be7 8. d4 O-O 9. Bb3 Be8 10. Rd1 Nd7
1932 BCF Ch 25th – Round 4 – Hunnam – 0-1 – Alexander, Conol Hugh – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. c3 b5 7. Bc2 Bg4 8. d4 Qd7 9. Be3 Be7 10. Nbd2 h6
1932 Bern – Round 2 – Grob, Henry – 0-1 – Henneberger, Walter – G29 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. d3 g6 8. h3 Bg7 9. Nh2 O-O 10. f4 exf4
1932 Bern – Round 3 – Alekhine, Alexander – 1-0 – Grob, Henry – G36 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bg4 7. d4 b5 8. Bb3 Be7 9. Be3 O-O 10. Nbd2 d5
1932 Mexico City – Round 6 – Alekhine, Alexander – 1/2-1/2 – Kashdan, Isaac – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 g6 7. d4 Bd7 8. Nbd2 b5 9. Bc2 Bg7 10. dxe5 dxe5
1933 Budapest HUN – Round ? – Barany, F – 1-0 – Lilienthal, Andor – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 b5 7. Bc2 Be7 8. Re1 O-O 9. d3 Bg4 10. Nbd2 d5
1933 Hastings3334 – Round 9 – Alekhine, Alexander – 1-0 – Michell, Reginald – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. c3 Bd7 7. d4 g6 8. Nbd2 Bg7 9. Bxc6 Bxc6 10. dxe5 dxe5
1933 Leningrad ch-URS – Round 1 – Rauzer, Vsevolod – 0-1 – Freiman, Sergey Nikolaevich – G44 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nf6 6. O-O Nxe4 7. d4 Bd7 8. Re1 f5 9. dxe5 dxe5 10. Bxc6 Bxc6
1933 Paris – Round 9 – Lilienthal, Andor – 1/2-1/2 – Alekhine, Alexander – G24 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nf6 6. O-O Bd7 7. d4 Nxe4 8. Re1 Nf6 9. dxe5 dxe5 10. Bxc6 Bxc6
1934 Zuerich – Round 1 – Johner, Hans – 1-0 – Grob, Henry – G82 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 b5 7. Bc2 Be7 8. d4 O-O 9. h3 exd4 10. cxd4 Nb4
1934 Zuerich – Round 1 – Johner, Hans – 1/2-1/2 – Naegeli, Oskar – G81 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nf6 6. O-O Bd7 7. d4 Be7 8. d5 Nb8 9. Bc2 Bg4 10. c4 Nbd7
1935 Warsaw ol Warsaw POL – Round 2 – Alekhine, Alexander – 1-0 – Keres, Paul Petrovich – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. d4 Be7 8. d5 Nb8 9. Bc2 h6 10. c4 Qc8
1937 It (Men) Berlin GER – Round 1 – Von Hennig, Heinrich – 1-0 – Schlage, Willi – G1 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Be7 7. d3 O-O 8. Nbd2 h6 9. d4 b5 10. Bc2 exd4
1937 Kemeri LAT – Round 12 – Steiner, Endre – 0-1 – Keres, Paul Petrovich – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. d3 Be7 8. Nbd2 O-O 9. Re1 Ne8 10. d4 exd4
1940 Moskou ch-URS – Round 1 – Keres, Paul – 1-0 – Ragozin, Viacheslav – G96 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Nxe4 7. d4 Bd7 8. Re1 f5 9. dxe5 dxe5 10. Nbd2 Nxf2
1941 Baarn I – Round 1 – Van den Bosch, Arno – 0-1 – Kmoch, Hans – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. d4 Be7 8. d5 Nb8 9. Bc2 O-O 10. c4 Bg4
1941 Mar del Plata – Round 8 – Engels, Ludwig – 1-0 – Graf, Sascha – G69 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 b5 7. Bb3 Na5 8. Bc2 c5 9. d4 Qc7 10. a4 cxd4
1942 Duras 60 Memorial – Round 1 – Alekhine, Alexander – 1-0 – Hromadka, Karel – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Be7 7. d4 Nd7 8. Re1 O-O 9. Nbd2 Bf6 10. Nf1 Re8
1943 Prague – Round 9 – Alekhine, Alexander – 1-0 – Novotny, Oldrich – G75 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. c3 Bg4 7. h3 Bh5 8. d3 b5 9. Bb3 Be7 10. Bg5 Na5
1944 Gijon – Round ? – Medina-Garcia, Antonio – 1-0 – Bonet Molina, Ariel – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 b5 7. Bc2 Be7 8. Qe2 Bd7 9. d4 exd4 10. cxd4 Bg4
1945 Moskou ch-URS – Round 1 – Botvinnik, Mikhail – 1-0 – Boleslavsky, Isaac – G111 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. d4 g6 8. Nbd2 Qe7 9. Re1 Bg7 10. Nf1 O-O
1946 Leningrad – Round 1 – Taimanov, Mark E – 0-1 – Kuzminykh, Evgeny – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. Re1 g6 8. d4 Bg7 9. Bxc6 Bxc6 10. dxe5 Nxe4
1947 Sverdlovsk – Round 1 – Geller, Efim P – 1-0 – Dubinin, Peter – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Be7 7. d4 b5 8. Bc2 Bg4 9. d5 Nb8 10. a4 bxa4
1947 US Open Corpus Christi – Round 4 – Yanofsky, Daniel Abraham – 1-0 – Joachim, Christian – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Be7 7. d4 b5 8. Bb3 O-O 9. h3 Na5 10. Bc2 Bb7
1947 Warsaw – Round 7 – Smyslov, Vladimir – 1/2-1/2 – Pytlakowski, Andrzej – G37 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Nxe4 7. d4 Bd7 8. Re1 Nf6 9. dxe5 dxe5 10. Nxe5 Nxe5
1948 Budapest – Round 8 – Pachman, Ludek – 1/2-1/2 – Szily, Jozsef – G45 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. d4 Be7 8. Qe2 O-O 9. Bc2 Kh8 10. h3 Ng8
1949 Moskou ch-URS – Round 1 – Boleslavsky, Isaac – 1/2-1/2 – Bronstein, David I – G121 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Nxe4 7. d4 Bd7 8. Re1 Nf6 9. dxe5 dxe5 10. Nxe5 Nxe5
1952 Hungary Ch – Round 9 – Barcza, Gedeon – 1/2-1/2 – Gereben, Erno – G55 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. Re1 g6 8. d4 Bg7 9. dxe5 Nxe5 10. Nxe5 dxe5
1952 Saltsjobaden Interzonal – Round 21 – Pilnik, Herman – 1/2-1/2 – Averbakh, Yuri L – G201 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Nxe4 7. d4 Bd7 8. Re1 Nf6 9. dxe5 Nxe5 10. Bf4 Bxa4
1952 URS Ch sf – Round ? – Stoliar, Efim Samoilovich – 0-1 – Antoshin, Vladimir S – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Be7 7. d4 Nd7 8. Re1 O-O 9. Nbd2 Bf6 10. Nf1 Ne7
1954 Kiev ch-URS – Round 1 – Bivshev, Vasily – 1-0 – Ragozin, Viacheslav – G124 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bg4 7. h3 Bh5 8. d3 Nd7 9. Be3 Be7 10. Nbd2 O-O
1954 Kiev ch-URS – Round 1 – Livshin, Iosif – 1-0 – Borisenko, Georgy K – G126 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bg4 7. Re1 Nd7 8. d3 Be7 9. Nbd2 O-O 10. h3 Bh5
1954 Liberation – Round 11 – Pilnik, Herman – 1/2-1/2 – Trifunovic, Petar – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Nxe4 7. d4 Bd7 8. Re1 Nf6 9. dxe5 dxe5 10. Bf4 Bd6
1954 URS Ch sf – Round 7 – Geller, Efim P – 1-0 – Weltmander, I. – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Nxe4 7. d4 Bd7 8. Re1 Nf6 9. Bxc6 Bxc6 10. dxe5 dxe5
1954 Zonal – Round 8 – Bhend, Edwin – 1/2-1/2 – Ribeiro, Joao Mario – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bg4 7. d3 Be7 8. Nbd2 O-O 9. h3 Bh5 10. Re1 b5
1955 Poland ch13 – Round 1 – Dworzynski, Roman – 1-0 – Domanski, Jerzy – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Nxe4 7. Re1 Nc5 8. Bxc6+ bxc6 9. d4 Ne6 10. dxe5 d5
1956 Moskou olm – Round 1 – Dworzynski, Roman – 1/2-1/2 – Limbos, Patrick – G62 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bg4 7. h3 Bh5 8. d3 Qd7 9. Nbd2 g5 10. Re1 g4
1957 Minsk zt – Round 17 – Suetin, Alexey S – 1-0 – Ostrauskas, A – G122 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Be7 7. d4 b5 8. Bc2 exd4 9. cxd4 Nb4 10. Bb3 c5
1957 New York ch-USA – Round 1 – Sherwin, James T – 1-0 – Kramer, Gerald – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 b5 7. Bb3 Bg4 8. d4 Bxf3 9. Qxf3 exd4 10. Rd1 Ne5
1958 YUG Ch 13th – Round 1 – Ivkov, Borislav – 1/2-1/2 – Dimc, Dragutin – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. Re1 g6 8. d4 Bg7 9. Bxc6 Bxc6 10. dxe5 Nxe4
1960 URS Ch sf – Round 15 – Gipslis, Aivars – 1/2-1/2 – Antoshin, Vladimir S – G120 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Be7 7. d4 O-O 8. Bxc6 bxc6 9. Nbd2 exd4 10. Nxd4 c5
1961 Zurich – Round 1 – Kupper, Josef – 1-0 – Christoffel, Martin – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Nxe4 7. d4 Bd7 8. Re1 f5 9. dxe5 dxe5 10. Nbd2 Qf6
1962 Capablanca Memorial – Round 10 – Pietzsch, Wolfgang – 0-1 – Spassky, Boris V. – G99 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bg4 7. d4 b5 8. Bb3 Be7 9. h3 Bxf3 10. Qxf3 exd4
1962 Erevan ch-URS – Round 1 – Kots, Yuri I – 0-1 – Shianovsky, Vladislav I – G127 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. c3 Bg4 7. h3 Bh5 8. d4 Nd7 9. Be3 Be7 10. Nbd2 b5
1962 Hungary – Round 17 – Ozsvath, Andras – 0-1 – Szily, Jozsef – G134 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. Bc2 Be7 8. d3 O-O 9. Nbd2 Ne8 10. d4 Bf6
1962 URS Team Ch – Round 1 – Gipslis, Aivars – 1/2-1/2 – Bronstein, David I – G95 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bg4 7. Bxc6+ bxc6 8. d4 Nd7 9. Nbd2 Be7 10. h3 Be6
1962 Varna olm – Round 2 – Pietzsch, Wolfgang – 1/2-1/2 – Szabo, Ladislav – G102 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Be7 7. d4 O-O 8. Nbd2 b5 9. Bc2 Re8 10. Re1 Bf8
1963 Liberation – Round 11 – Nedeljkovic, Aleksandar – 1-0 – Cobo Arteaga, Eldis – G41 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Be7 7. d4 O-O 8. Nbd2 Nd7 9. Bxc6 bxc6 10. Nc4 Bf6
1963 Moscow RUS – Round ? – Lepeshkin, Vladimir – 1/2-1/2 – Bonch-Osmolovsky, Mikhail – G43 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Nxe4 7. d4 Bd7 8. Re1 f5 9. dxe5 dxe5 10. Nbd2 Nxd2
1963 Odense – Round 1 – Petersen, Finn – 1-0 – Oe, Oluf – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Nxe4 7. d4 b5 8. Bb3 d5 9. dxe5 Be6 10. Nbd2 Nxd2
1963 URS Team Ch Moscow RUS – Round 1 – Tal, Mikhail – 0-1 – Lutikov, Anatoly S – G13 1. e4 Nc6 2. Nf3 e5 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. c3 Be7 7. d4 O-O 8. Nbd2 b5 9. Bb3 Bg4 10. h3 Bh5
1964 Warsaw ch-POL – Round 1 – Kostro, Jerzy – 1-0 – Lopez Sliwinski, Alvaro – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. Re1 Be7 8. d3 O-O 9. Nbd2 Re8 10. Nf1 Bf8
1965 Chigorin Memorial – Round 7 – Unzicker, Wolfgang – 1/2-1/2 – Ujtumen, Tudev – G34 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Nxe4 7. d4 Bd7 8. Re1 f5 9. dxe5 dxe5 10. Nbd2 Nxd2
1965 Hoogovens – Round 1 – Van den Berg, Cees – 1/2-1/2 – Van Scheltinga, Theo – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. d4 Be7 8. Nbd2 O-O 9. a3 Qe8 10. Bc2 Bg4
1966 It Agio – Round 2 – Ivkov, Borislav – 1-0 – Limbos, Paul – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bg4 7. Re1 Nd7 8. h3 Bh5 9. d4 Be7 10. Bxc6 bxc6
1966 La Habana ol – Round 55 – Matulovic, Milan – 1-0 – Addison, Wiliam G – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. d4 Qe7 8. Re1 g6 9. Bg5 Bg7 10. Nbd2 h6
1966 La Habana olm prel – Round 4 – Walther, Edgar – 1-0 – Sin Kuen – G69 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bg4 7. h3 Bh5 8. Qe2 Be7 9. d3 h6 10. Nbd2 b5
1967 Capablanca Memorial – Round 8 – Garcia Martinez, Salomon – 0-1 – Rossetto, Hector – G74 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Nf6 6. O-O b5 7. Bb3 Be7 8. d4 O-O 9. h3 Nd7 10. a4 Bb7
1968 Bamberg – Round 1 – Westerinen, Heikki M.J. – 0-1 – Teschner, Rudolf – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Bd7 7. Re1 g6 8. d4 b5 9. Bc2 Bg7 10. Nbd2 exd4
1968 Churchill Memorial Open 16th – Round 6 – Akvist, Hakan – 1-0 – Karaklajic, Nikola – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Nxe4 7. d4 Bd7 8. Re1 f5 9. dxe5 dxe5 10. Nbd2 Qf6
1968 Hoogovens – Round 11 – Ciric, Dimitrije – 1/2-1/2 – Karaklajic, Nikola – G99 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Nxe4 7. d4 Bd7 8. Re1 f5 9. dxe5 dxe5 10. Nbd2 Bd6
1969 US Open – Round 8 – Byrne, Ray – 1-0 – Pupols, Viktors – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Nxe4 7. d4 Bd7 8. Qe2 f5 9. Bxc6 Bxc6 10. dxe5 dxe5
81. Tata Steel GpA 2019 – Round 5.5 – Nepomniachtchi, Ian – 1/2-1/2 – Rapport, Richard – G28 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Nxe4 7. d4 Bd7 8. Re1 Nf6 9. Bxc6 Bxc6 10. dxe5 dxe5

C79b — Steinitz Deferred

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O d6 6.c3

Eval: [+0.35]

Les coups candidats

6…Be7 — 32.5% (356 parties)

Ambassadeurs : Alekhine, Alexander (5x), Kolanek, Roman (5x), Struzka, Vlastimil (4x), Látal, Frantisek (4x), Parma, Bruno (3x), Balashov, Yuri (3x), Ulybin, Mikhail (3x), Skembris, Spyridon (3x)

6…Bd7 — 30.6% (335 parties)

Ambassadeurs : Alekhine, Alexander (7x), Johner, Hans (4x), Davies, Nigel R (4x), Ivanchuk, Vasyl (4x), Keres, Paul Petrovich (3x), Szily, Jozsef (3x), Gereben, Erno (3x), Tseitlin, Mark D (3x)

6…b5 — 14.5% (159 parties)

Ambassadeurs : Grob, Henry (3x), Medina-Garcia, Antonio (2x), Vollmer, Steve (2x), Showalter, Jackson (1x), Judd, Max (1x), Nash, William (1x), Abad Salazar, Cesar Enrique (1x), Hunnam (1x)

6…Bg4 — 10.6% (116 parties)

Ambassadeurs : Alekhine, Alexander (4x), Spassky, Boris V. (4x), Byvshev, Vasily (3x), Ragozin, Viacheslav (3x), Palciauskas, Victor V (3x), Bronstein, David I (2x), Kuzminykh, Evgeny (2x), Limbos, Patrick (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…Be7	6…Bd7	6…b5	6…Bg4
<1800	49	45%	12%	33%	8%
1800-2200	312	43%	22%	18%	8%
2200-2600	304	19%	54%	8%	7%
2600+	18	6%	56%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6…Be7	6…Bd7	6…b5	6…Bg4
1890s	2	—	50%	50%	—
1900s	10	70%	20%	—	—
1910s	4	25%	25%	25%	25%
1920s	18	56%	17%	11%	17%
1930s	30	10%	47%	23%	7%
1940s	37	35%	22%	14%	11%
1950s	65	31%	22%	11%	22%
1960s	71	38%	23%	3%	20%
1970s	43	30%	42%	9%	12%
1980s	29	24%	21%	10%	31%
1990s	113	39%	22%	19%	12%
2000s	158	36%	18%	23%	16%
2010s	308	44%	22%	17%	7%
2020s	206	10%	64%	8%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…Be7	44%	10%	▼ -33.8%
6…Bd7	22%	64%	▲ +41.8%
6…b5	17%	8%	▼ -9.0%
6…Bg4	7%	2%	▼ -4.4%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 10 parties
Tal, Mikhail — 4 parties
Smyslov, Vladimir — 3 parties
Botvinnik, Mikhail — 2 parties
Lasker, Emanuel — 2 parties
Gukesh D — 2 parties
Steinitz, Wilhelm — 1 partie

Parties historiques

6…Be7 — 32.5% (356 parties)

1903 — Leussen, Benjamin vs Speijer, Abraham — 0-1 — Hilversum NED
1905 — Wolf, Hans-Josef vs D Marco, Gianni — 0-1 — Ostende
1906 — Wolf Heinrich vs Spielmann, Rudolf — 1/2-1/2 — Ostend
1906 — Cohn, Erich vs Fleischmann, Leo — 1/2-1/2 — Nuerenberg GER
1907 — Araujo Molina, Lucas Jose vs Azeredo Bastos, Pedro Augusto Dom — 0-1 — Montevideo tt

6…Bd7 — 30.6% (335 parties)

1895 — Walbrodt, Carl vs Steinitz, Wilhelm — 0-1 — Hastings ENG
1905 — Marchand, Max vs Burn, Amos — 1/2-1/2 — Ostende
1906 — Przepiorka, Dawid vs Berger, Jacob — 1/2-1/2 — Nuerenberg GER
1917 — Lasker, Emanuel vs Nandor, H. — 1-0 — HUN
1926 — Ingledew, Edwin vs Crane, Henry Vincent — 1/2-1/2 — Sydney AUS

6…b5 — 14.5% (159 parties)

1890 — Showalter, Jackson vs Judd, Max — 1-0 — St.Louis m
1913 — Montessori, Gastone vs Reggio, Arturo — 1/2-1/2 — Bologna
1922 — Reti, Richard vs Rubinstein, Akiba — 0-1 — Hastings Town Hall
1924 — Przepiorka, Dawid vs Cs. Nagy, Gabor — 1-0 — Gyor
1932 — Hunnam vs Alexander, Conol Hugh — 0-1 — Whiteleys, London

6…Bg4 — 10.6% (116 parties)

1912 — Barasz, Zsigmond vs Leonhardt, Paul — 1/2-1/2 — Bad Pistyan CZE
1925 — Verlinsky, Boris vs Saemisch, Friedrich — 1-0 — Moscow RUS
1925 — Alekhine, Alexander vs Meck, K. — 1-0 — Basel simulultaan
1925 — Bellod Thomas, Gonzalo vs Janowski, Dawid — 1-0 — Marienbad CZE
1932 — Alekhine, Alexander vs Grob, Henry — 1-0 — Bern SUI

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