C79a — Spanish: Steinitz Deferred

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O d6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur 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. Nbd2 (Développer Nb1) ; d3 (Libérer Bc1) ; h3 (Empêcher ...Bg4) ; c3 (Préparer d4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur les cases fortes d4 et 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	—	● d6→e5, b7→a6, c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● d4 (2v1), ● g4 (2v0)
Cases faibles	—	—
Centre	—	● d4 (2v1), ● e4 (1v0), ● e5 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Ba4	● Ba4 Ok (mob. 3)
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	● c2-c3, ● d2-d3	● …d6-d5

Partie
1900 Augsburg blindfold sim – Round 13 – Pillsbury, Harry – 1-0 – Oberhauser, Franz – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 Bd7 7. Nc3 Nxd4 8. Bxd7+ Qxd7 9. Nxd4 exd4 10. Qxd4 O-O-O
1900 DSB-12.Kongress – Round 11 – Von Bardeleben, Curt – 1/2-1/2 – Janowski, Dawid – G68 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. dxe5 dxe5 8. Qxd8+ Nxd8 9. Bb3 Bd6 10. Bg5 Nd7
1900 Paris – Round 12 – Janowski, Dawid – 0-1 – Lasker, Emanuel – G82 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. dxe5 dxe5 8. Bb3 Qxd1 9. Rxd1 Bd6 10. Bg5 Be6
1902 DSB-13.Kongress – Round 3 – Olland, Adolf George – 1-0 – Wolf, Hans-Josef – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 exd4 7. Bxc6+ bxc6 8. Nxd4 Bd7 9. b3 Be7 10. Nd2 O-O
1903 It (Men) Hilversum NED – Round 4 – Neumann, Augustin – 0-1 – Leonhardt, Paul – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d3 Be7 7. Bg5 h6 8. Be3 O-O 9. h3 b5 10. Bb3 Na5
1903 It (Men) Monte Carlo MNC – Round 17 – Marshall Viele, Fabrizio Aaron – 1/2-1/2 – Wolf, Hans-Josef – G81 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. dxe5 dxe5 8. Qxd8+ Nxd8 9. Bb3 Bd6 10. Bg5 Bb7
1904 London – Round 13 – Loman, Rudolf – 1/2-1/2 – OConnor Gunston, William – G38 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. d3 g6 7. Be3 Bg7 8. Nc3 O-O 9. Qd2 Ng4 10. Bg5 f6
1905 It (Men) Barmen GER – Round 1 – Suechting, Hugo – 1/2-1/2 – Berger, Jacob – G59 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 exd4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. Nd2 c5 10. Ne2 Be7
1905 It (Men) Barmen GER – Round 10 – Popiel, Ignacy – 1-0 – Loman, Rudolf – G110 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. dxe5 dxe5 8. Bb3 Bg4 9. Be3 Bd6 10. Nc3 O-O
1905 It (Men) Stockholm SWE – Round 9 – Spielmann, Rudolf – 1-0 – Marco, Georg – G32 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 exd4 7. Nxd4 Bd7 8. Nc3 Be7 9. Nde2 O-O 10. Ng3 Re8
1905 Parijs m – Round 3 – Taubenhaus, Jean – 0-1 – Janowski, Dawid – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d3 Bg4 7. c3 Nd7 8. Re1 Qf6 9. Nbd2 Nc5 10. Bc2 Ne6
1907 Brno Morava – Round 7.4 – Treybal, Karel – 1-0 – Folch Brach, Jordi – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 Nd7 7. c3 Be7 8. h3 O-O 9. g4 b5 10. Bc2 Rb8
1907 Ostende – Round 1 – Burn, Amos – 1/2-1/2 – Schlechter, Carl – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. d3 b5 7. Bb3 Na5 8. Nc3 Be7 9. Ne2 Bb7 10. Ng3 O-O
1907 Ostende II – Round 15 – D Marco, Gianni – 1/2-1/2 – Forgacs, Laszlo – G181 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. dxe5 dxe5 8. Qxd8+ Nxd8 9. Bb3 Nd7 10. a4 b4
1909 Ch (Men) Leiden NED – Round 3 – Olland, Adolf George – 1-0 – Speijer, Abraham – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 Bd7 7. c3 g6 8. Re1 Qe7 9. Nbd2 Bg7 10. d5 Nb8
1909 Ch (Men) Leiden NED – Round 4 – Esser, Jan – 0-1 – Speijer, Abraham – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 Bd7 7. Re1 b5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Bb3 Be7
1909 Ch (Men) Leiden NED – Round 9 – Loman, Rudolf – 1/2-1/2 – Speijer, Abraham – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 Bd7 7. Bxc6 Bxc6 8. Nc3 Nxe4 9. Nxe4 Bxe4 10. Re1 d5
1911 Karlsbad – Round 1 – Burn, Amos – 0-1 – Rubinstein, Akiba – G185 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. dxe5 dxe5 8. Qxd8+ Nxd8 9. Bb3 Nd7 10. Nc3 Bd6
1911 Karlsbad – Round 1 – Levenfish, Grigory – 1/2-1/2 – Johner, Paul – G187 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Nc3 Be7 7. Bxc6+ bxc6 8. d4 Nd7 9. Qe2 O-O 10. Be3 a5
1911 New York USA – Round 1 – Walcott George H – 1-0 – Johner, Paul – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d3 b5 7. Bb3 Na5 8. Be3 Be7 9. Nbd2 O-O 10. c3 Nxb3
1912 Bad Pistyan – Round 10 – Balla, Zoltan Tibor – 1-0 – Johner, Paul – G40 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. dxe5 dxe5 8. Qxd8+ Nxd8 9. Bb3 Bd6 10. Bg5 Be6
1912 San Sebastian – Round 6 – Důras, Oldřich – 1-0 – Rubinstein, Akiba – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. dxe5 dxe5 8. Qxd8+ Nxd8 9. Bb3 Nd7 10. a4 Rb8
1912 Vilnius – Round 6 – Langleben, S. – 0-1 – Hromadka, Karel – G26 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d3 Bg4 7. c3 Be7 8. Be3 h6 9. Nbd2 Nh7 10. h3 Bd7
1913 Mlada Boleslav – Round 5 – Dobias, Josef – 0-1 – Hromadka, Karel – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. dxe5 dxe5 8. Qxd8+ Nxd8 9. Bb3 Nd7 10. Nc3 f6
1922 London – Round 15 – Yates, Frederic D – 1/2-1/2 – Rubinstein, Akiba – G37 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. Bb3 Nxd4 8. Nxd4 exd4 9. c3 Bb7 10. cxd4 Bxe4
1923 Karlsbad – Round 1 – Treybal, Karel – 1/2-1/2 – Rubinstein, Akiba – G78 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. Bb3 Nxd4 8. Nxd4 exd4 9. Bd5 Nxd5 10. exd5 Be7
1923 Karlsbad – Round 1 – Yates, Frederic D – 1/2-1/2 – Rubinstein, Akiba – G71 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. d4 b5 7. Bb3 Nxd4 8. Nxd4 exd4 9. c3 dxc3 10. Nxc3 Be7
1923 Scheveningen – Round 1 – Olland, Adolf George – 0-1 – Johner, Paul – G24 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. dxe5 dxe5 8. Bb3 Qxd1 9. Rxd1 Bd6 10. Bg5 Nd7
1923 USA-09.Kongress – Round 13 – Chajes, Oscar – 0-1 – Janowski, Dawid – G21 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. Bb3 Nxd4 8. Nxd4 exd4 9. c3 dxc3 10. Nxc3 Be7
1924 Gyor – Round 7 – Cs. Nagy, Gabor – 1-0 – Havasi, Kornel – G77 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 Bd7 7. c3 Be7 8. Bc2 O-O 9. h3 Ne8 10. Be3 g6
1924 Merano – Round 7 – Spielmann, Rudolf – 1/2-1/2 – Rubinstein, Akiba – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c4 Nxe4 7. d4 Bd7 8. Qe2 f5 9. Bxc6 bxc6 10. dxe5 Be7
1924 Moskou ch-URS – Round 1 – Vilner, Yakov S – 1-0 – Duz-Khotimirsky, Fedor Ivanovich – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c4 Be7 7. Nc3 O-O 8. d4 exd4 9. Nxd4 Bd7 10. Bc2 Re8
1925 Baden-Baden – Round 1 – Yates, Frederic D – 1-0 – Treybal, Karel – G83 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. d4 Bd7 7. Re1 Nxd4 8. Bxd7+ Qxd7 9. Nxd4 exd4 10. Qxd4 Be7
1926 Bardejov – Round 11 – Matisons, Hermanis – 1/2-1/2 – Asztalos, Lajos – G55 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. dxe5 dxe5 8. Qxd8+ Nxd8 9. Bb3 Bd6 10. Re1 Be6
1926 Budapest – Round 2 – Monticelli, Mario – 1/2-1/2 – Rubinstein, Akiba – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d3 b5 7. Bb3 Na5 8. Nbd2 Be7 9. Re1 O-O 10. Nf1 h6
1926 Budapest HUN – Round ? – Monticelli, Mario – 1-0 – Rubinsteins, A – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d3 b5 7. Bb3 Na5 8. Nbd2 Be7 9. Re1 O-O 10. Nf1 c5
1926 Buenos Aires exh – Round 1 – Carranza, Leopoldo – 0-1 – Alekhine, Alexander – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 Bd7 7. Re1 b5 8. Bb3 Nxd4 9. Nxd4 exd4 10. e5 dxe5
1926 Semmering – Round 10 – Yates, Frederic D – 0-1 – Treybal, Karel – G112 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. d4 b5 7. Bb3 Nxd4 8. Nxd4 exd4 9. c3 dxc3 10. e5 c2
1927 Moskou ch-URS – Round 16 – Romanovsky, Pjotr – 1-0 – Bohatyrchuk, Fedir Parfenovych – G45 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. dxe5 dxe5 8. Qxd8+ Nxd8 9. Bb3 Bd6 10. Bg5 Ke7
1929 Scarborough – Round 5 – Thomas, George Alan – 1-0 – Cadman, Chuck – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. Bb3 Be7 8. c3 O-O 9. h3 h6 10. Nbd2 Kh8
1930 Frankfurt – Round 10 – Kashdan, Isaac – 1/2-1/2 – List, Paul – G54 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. d4 b5 7. dxe5 dxe5 8. Qxd8+ Nxd8 9. Bb3 Bd6 10. Re1 Bb7
1932 Berlin GER – Round 7 – Von Hennig, Heinrich – 1-0 – Schlage, Willi – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Nc3 b5 7. Bb3 Bg4 8. a4 Nd4 9. axb5 axb5 10. Rxa8 Qxa8
1932 Bern – Round 1 – Rivier, William – 1-0 – Grob, Henry – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. Bb3 exd4 8. Bd5 Bd7 9. Nxd4 Nxd5 10. exd5 Nxd4
1932 Hastings3233 – Round 3 – Jackson, Edward Mackenzie – 0-1 – Sultan Khan, Mir – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. Bb3 Nxd4 8. Nxd4 exd4 9. c3 dxc3 10. Nxc3 Be7
1935 Barcelona – Round 1 – Thomas, George Alan – 1-0 – Maristany Mena, Jaume – G31 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Qe2 b5 7. Bb3 Bg4 8. c3 Be7 9. a4 Na5 10. Bc2 c6
1936 Dresden – Round 7 – Roedl, Ludwig – 1/2-1/2 – Keres, Paul – G35 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 Bd7 7. c3 Be7 8. d5 Nb8 9. Bc2 Qc8 10. c4 h6
1936 Podebrady – Round 1 – Treybal, Karel – 0-1 – Alekhine, Alexander – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 Nxe4 7. Qe2 f5 8. dxe5 b5 9. Bb3 d5 10. a4 b4
1936 Trebitsch Memorial 19th – Round 14 – Michel, Paul – 1/2-1/2 – Becker, Albert – G27 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. dxe5 dxe5 8. Bb3 Qxd1 9. Rxd1 Bd6 10. Bg5 Nd7
1937 Semmering/Baden – Round 7 – Fine, Reuben – 1/2-1/2 – Reshevsky, Samuel – G25 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Qe2 b5 7. Bb3 Na5 8. d4 Nxb3 9. axb3 Nd7 10. Nc3 Bb7
1938 URS Ch, semi final – Round 2 – Kajev – 1/2-1/2 – Konstantinopolsky, Alexander – G54 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c4 Bd7 7. d4 Be7 8. Nc3 exd4 9. Nxd4 O-O 10. Nxc6 bxc6
1938 URS Ch, semi final – Round 6 – Chistiakov, Alexander – 1-0 – Verlinsky, Boris – G57 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Qe2 b5 7. Bb3 Na5 8. d4 Nd7 9. Rd1 Nxb3 10. axb3 f6
1939 Stuttgart – Round 3 – Engels, Ludwig – 1-0 – Grob, Henry – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c4 Bg4 7. d3 Nd7 8. Be3 Be7 9. Nbd2 O-O 10. h3 Be6
1942 Munich – Round 6 – Rabar, Braslav – 0-1 – Junge, Klaus – G43 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. dxe5 dxe5 8. Qxd8+ Nxd8 9. Bb3 Nd7 10. Be3 f6
1944 Olomouc – Round 5 – Mikulka Rudolf – 0-1 – Florian, Jaromir – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d3 Be7 7. c3 O-O 8. Re1 Bg4 9. h3 Bd7 10. Nbd2 Ne8
1945 Blomberg – Round 4 – Jursevskis Miervaldis – 0-1 – Tautvaisas, Povilas – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d3 b5 7. Bb3 Na5 8. c3 Nxb3 9. Qxb3 Be7 10. a4 Rb8
1946 POL Ch – Round 17 – Sojka, Emil – 1-0 – Gawlikowski, Stanislaw – G100 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. dxe5 dxe5 8. Qxd8+ Nxd8 9. Bb3 Bd6 10. Bg5 Bb7
1946 POL Ch – Round 8 – Czarnota, Alfred – 0-1 – Gawlikowski, Stanislaw – G48 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d3 Bd7 7. Bg5 Be7 8. h3 h6 9. Bh4 g5 10. Bxc6 bxc6
1947 Hungary – Round 8 – Ban, Jeno – 0-1 – Szily, Jozsef – G37 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c4 Bd7 7. d4 Be7 8. Nc3 O-O 9. Re1 Re8 10. a3 Ng4
1947 Sofia Balkaniade – Round 2.4 – Puc, Stojan – 1-0 – Piskov, Kamen Penev – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d3 b5 7. Bb3 Bg4 8. Be3 Na5 9. Nc3 Nxb3 10. axb3 b4
1949 Gambit CC Ch – Round 6 – Anderson, Frank Ross – 1-0 – Forward, Jim – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 Bd7 7. Nc3 Nxd4 8. Bxd7+ Qxd7 9. Nxd4 exd4 10. Qxd4 Be7
1954 Kiev ch-URS – Round 1 – Nezhmetdinov, Rashid – 1-0 – Borisenko, Georgy K – G125 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d3 b5 7. Bb3 Na5 8. Nc3 Be7 9. h3 O-O 10. Re1 c6
1956 YUG-GER – Round 1.9 – Rellstab, Ludwig – 1/2-1/2 – Karaklajic, Nikola – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d3 b5 7. Bb3 Na5 8. c4 bxc4 9. Bxc4 Nxc4 10. Qa4+ Bd7
1960 Santa Fe – Round 1 – Alonso-Lej De Las Casas, Fernando – 1-0 – Rossetto, Hector – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Qe2 Bd7 7. c3 g6 8. d4 b5 9. Bb3 Bg7 10. a4 O-O
1963 GDR Ch Aschersleben GER – Round 5 – Csulits, Anton – 1/2-1/2 – Liebert, Heinz – G28 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. dxe5 dxe5 8. Qxd8+ Nxd8 9. Bb3 Bd6 10. Bg5 Be6
1967 Hoogovens – Round 8 – Darga, Klaus – 1/2-1/2 – Szabo, Ladislav – G58 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c4 Bg4 7. h3 Bxf3 8. Qxf3 Be7 9. d3 O-O 10. Be3 Nd7
World Blitz 2022 – Round 5.71 – Gurel, Ediz – 0-1 – Sjugirov, Sanan – G283 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Nc3 b5 7. Bb3 Na5 8. d3 Nxb3 9. axb3 Bb7 10. Be3 Be7
World Blitz 2023 – Round 3.5 – Giri, Anish – 1/2-1/2 – Ponomariov, Ruslan – G180 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c4 Bd7 7. Nc3 g6 8. d3 Bg7 9. h3 O-O 10. Be3 Re8
World Cup 1988 – Round ? – Beliavsky, Alexander G – 1/2-1/2 – Spassky, Boris V. – G88 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. dxe5 dxe5 8. Qxd8+ Nxd8 9. Bb3 Bd6 10. Bg5 Ne6
World Rapid 2021 – Round 13.36 – Puranik, Abhimanyu – 1-0 – Alonso Rosell, Alvar – G766 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. d4 b5 7. Bb3 Nxd4 8. Nxd4 exd4 9. c3 dxc3 10. e5 dxe5

C79a — Steinitz Deferred

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

Eval: [+0.30]

Les coups candidats

6.Re1 — 51.2% (2883 parties) →

Ambassadeurs : Parshin, Vitaly Alekseevich (19x), Weber-Widmer, Daniel A (14x), Yates, Frederic D (11x), Janowski, Dawid (11x), Bogoljubow, Efim (11x), Látal, Frantisek (11x), Lasker, Emanuel (10x), Struzka, Vlastimil (10x)

6.c3 — 16.3% (920 parties) →

Ambassadeurs : Alekhine, Alexander (16x), Ragozin, Viacheslav (11x), Grob, Henry (6x), Johner, Hans (5x), Unzicker, Wolfgang (5x), Kolanek, Roman (5x), Keres, Paul Petrovich (4x), Bogoljubow, Efim (4x)

6.Bxc6+ — 13.5% (762 parties) →

Ambassadeurs : Capablanca, Jose (7x), Palciauskas, Victor V (6x), Klovans, Janis (6x), Janowski, Dawid (5x), Keres, Paul (5x), Edighoffer, Harold (5x), Euwe, Max (4x), Vasquez, Gerardo (4x)

6.d4 — 9.3% (522 parties)

Ambassadeurs : Rubinstein, Akiba (10x), Schlechter, Carl (9x), Lasker, Emanuel (8x), Janowski, Dawid (7x), Pillsbury, Harry (5x), Treybal, Karel (5x), Yates, Frederic D (4x), D Marco, Gianni (3x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.Re1	6.c3	6.Bxc6+	6.d4
<1800	320	60%	12%	7%	8%
1800-2200	1699	57%	15%	10%	9%
2200-2600	1279	50%	21%	15%	6%
2600+	78	50%	23%	22%	3%

Évolution par décennie (% des parties)

Décennie	N parties	6.Re1	6.c3	6.Bxc6+	6.d4
1870s	4	25%	—	50%	25%
1880s	5	—	—	20%	—
1890s	30	7%	7%	17%	47%
1900s	118	17%	7%	23%	39%
1910s	84	46%	4%	18%	18%
1920s	113	44%	14%	12%	19%
1930s	118	27%	23%	20%	17%
1940s	144	38%	24%	20%	9%
1950s	155	30%	37%	26%	4%
1960s	197	33%	30%	26%	3%
1970s	174	41%	24%	25%	7%
1980s	161	46%	14%	29%	7%
1990s	634	56%	12%	10%	10%
2000s	1213	61%	10%	9%	10%
2010s	1555	54%	16%	11%	8%
2020s	927	53%	21%	13%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.Re1	54%	53%	▼ -1.0%
6.c3	16%	21%	▲ +5.1%
6.Bxc6+	11%	13%	▲ +2.2%
6.d4	8%	5%	▼ -3.4%

Joueurs célèbres

Champions du monde dans cette position

Lasker, Emanuel — 10 parties
Alekhine, Alexander — 10 parties
Smyslov, Vladimir — 10 parties
Euwe, Max — 9 parties
Tal, Mikhail — 8 parties
Botvinnik, Mikhail — 3 parties
Karpov, Anatoly — 3 parties
Gukesh D — 3 parties
Steinitz, Wilhelm — 2 parties
Anand, Viswanathan — 2 parties
Hou, Yifan — 2 parties
Karpov, Aleksandr — 1 partie

Parties historiques

6.Re1 — 51.2% (2883 parties)

1873 — Kamphuizen, W. vs Andriessen, J. — 0-1 — The Hague NED
1898 — Walbrodt, Carl vs Haeusler, Hugo — 1-0 — Augsburg GER
1899 — Softlaw, Harold Goodlake vs Ellis, Gerald Edward H — 1-0 — British CC
1901 — Leussen, Benjamin vs Mannheimer, Nathan — 1/2-1/2 — Haarlem NED
1901 — Te Kolste, Jan Willem vs Exner Victor — 0-1 — Haarlem NED

6.c3 — 16.3% (920 parties)

1890 — Showalter, Jackson vs Judd, Max — 1-0 — St.Louis m
1895 — Walbrodt, Carl vs Steinitz, Wilhelm — 0-1 — Hastings ENG
1903 — Leussen, Benjamin vs Speijer, Abraham — 0-1 — Hilversum NED
1905 — Marchand, Max vs Burn, Amos — 1/2-1/2 — Ostende
1905 — Wolf, Hans-Josef vs D Marco, Gianni — 0-1 — Ostende

6.Bxc6+ — 13.5% (762 parties)

1870 — Minckwitz, Johannes vs Vitzthum, G — 0-1 — Leipzig GER
1874 — MacDonnell, George vs Wisker, John — 1/2-1/2 — London ENG
1885 — Malta, JF. vs Benima, Levi — 1/2-1/2 — The Hague NED
1893 — Seuffert, Paul vs Mieses, Jacques — 1/2-1/2 — Kiel GER
1895 — D Marco, Gianni vs Tarrasch, Siegbert — 0-1 — Hastings ENG

6.d4 — 9.3% (522 parties)

1876 — Mc Donnell George Alcock vs Wisker, John — 1-0 — London ENG
1893 — Hart-Dyke, Percyvall vs Poynton, Ernest Walter — 1-0 — British CC
1893 — Showalter, Jackson vs Lasker, Emanuel — 0-1 — New York, NY USA
1894 — Zinkl, Adolf vs Teichmann, Richard — 0-1 — Leipzig GER
1895 — Steinitz, Wilhelm vs Pillsbury, Harry — 1-0 — St Petersburg RUS

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