C83a — Spanish: Open, Classical Defence

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Be7 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur la case forte d4, un fou actif en b3, la paire de fous et la colonne semi-ouverte d.

Côté adverse. 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) ; Be3 (Développer Bc1) ; h3 (Empêcher ...Bg4) ; Bc2 (Anticiper ...Na5) ; Tour sur colonne d.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur les cases fortes c4 et c5, des fous actifs en e6 et e7, la paire de fous et la colonne semi-ouverte e.

Côté adverse. Le fou enfermé en c1.

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

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Na5 (Attaquer Bb3) ; ...Bg4 (Clouer Nf3) ; ...d4 (Rupture) ; ...f6 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3	● a6→b5
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (3v1)	● c4 (2v1), ● c5 (2v0)
Cases faibles	—	● d5, ● g5
Centre	● d4 (3v1)	● e4 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bb3	● Bb3 Actif (mob. 4)
Be6		● Be6 Actif (mob. 5)
Be7		● Be7 Actif (mob. 8)
Paire de fous	● Oui	● Oui
Non développées	3 (b1, c1, a1)	2 (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	● c3-c4	● …d5-d4, ● …f7-f6, ● …f7-f5

Partie
1909 St Petersburg – Round 1 – Perlis, Julius – 0-1 – Lasker, Emanuel – G61 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4
1912 Temesvary – Round 1 – Asztalos, Lajos – 1-0 – Reti, Richard – G30 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4
1920 Amsterdam – Round 3 – Maroczy, Geza – 1-0 – Euwe, Max – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 Nc5
1920 Gothenburg-B – Round 1 – Olsson, Anton – 0-1 – John, Walter – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 O-O
1921 Kosice sim – Round ? – Breyer, Gyula – 1-0 – Duhamel Herz, Marina – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bc2 O-O
1924 BCF Ch 17th – Round 8 – Thomas, George Alan – 1-0 – Blake, Joseph – G38 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 O-O
1924 Paris f-A – Round 1 – Golmayo Torriente, Manuel – 1/2-1/2 – Euwe, Max – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bc2 O-O
1927 London Olympiad 1st – Round 15.11 – Thomas, George Alan – 1/2-1/2 – Tarrasch, Siegbert – G164 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 Nc5
1929 Budapest HUN – Round 1 – Thomas, George Alan – 1-0 – Brinckmann, Alfred – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 Nc5
1930 San Remo – Round ? – Ahues, Carl – 1-0 – Monticelli, Mario – G119 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 Na5
1935 Tatatovaros – Round 1 – Steiner, Lajos – 1-0 – Balogh, Janos – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 O-O
1935 Tatatovaros – Round 3 – Znosko-Borovsky, Eugene – 1-0 – Balogh, Janos – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 Nc5
1935 Tatatovaros – Round 6 – Steiner, Endre – 1-0 – Boros, Sandor – G35 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 O-O
1935 World Championship 16th – Round 13 – Alekhine, Alexander – 1/2-1/2 – Euwe, Max – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4
1936 Budapest-B – Round 1 – Gereben, Erno – 1/2-1/2 – Lindner Lages, Jorge – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 O-O
1936 Muenchen ol – Round 4 – Krassnig, Felix – 1-0 – Nielsen, Hartvig – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bf4 g5
1936 Olympiad (unofficial) – Round 7 – Steiner, Endre – 0-1 – Zinner, Emil – G58 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 O-O
1937 Bad Nauheim/Stuttgart/Garmisch – Round 6 – Alekhine, Alexander – 1/2-1/2 – Euwe, Max – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bf4 O-O
1937 It (Men) Berlin GER – Round 7 – Schlage, Willi – 1/2-1/2 – Kieninger, Georg – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nd4 Nxe5
1937 Stockholm – Round 1 – Joyeux Steiner, Gael – 1-0 – Gulbrandsen, Eirik – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 Nc5
1937 Stockholm SWE – Round 1 – Steiner, Endre – 1-0 – Gulbrandsen, Andreas – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 Nc5
1938 AVRO – Round 1 – Alekhine, Alexander – 0-1 – Fine, Richard Alvaro Adrien – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nd4 Nxe5
1938 Bad Elster – Round 7 – Engels, Ludwig – 1/2-1/2 – Kieninger, Georg – G30 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bc2 Bg4
1938 Krefeld – Round 1 – Engels, Ludwig – 1-0 – Kieninger, George – G28 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nd4 Nxe5
1938 Ljubljana – Round 1 – Steiner, Lajos – 1-0 – Trifunovic, Petar – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 O-O
1938 Ljubljana – Round 10 – Steiner, Lajos – 1-0 – Trifunovic, Petar – G69 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 O-O
1938 Ljubljana – Round 5 – Kostic, Boris – 1-0 – Preinfalk, Anton – G40 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nd4 Qd7
1938 Ljubljana – Round 7 – Steiner, Lajos – 1/2-1/2 – Vidmar Milan – G50 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 O-O
1938 Ljubljana – Round 9 – Trifunovic, Petar – 1/2-1/2 – Kostic, Boris – G65 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bf4 g5
1939 Amsterdam KNSB – Round 1 – Szabo, Ladislav – 1/2-1/2 – Euwe, Max – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 Nc5
1939 Buenos Aires ol prel-B – Round 2 – Gromer, Aristide – 1/2-1/2 – Apscheneek, Fricis – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Nxe4 7. d4 d5 8. dxe5 Be6 9. c3 Be7 10. Bc2 O-O
1939 Stuttgart – Round 6 – Szily, Jozsef – 0-1 – Hess, Theobald – G35 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 Nc5
1941 Munchen – Round 1 – Alekhine, Alexander – 1-0 – Rohacek, Ivan – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 Rb8
1941 Munich – Round 10 – Alekhine, Alexander – 1-0 – Rohacek, Ivan – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Nxe4 7. d4 d5 8. dxe5 Be6 9. c3 Be7 10. a4 Rb8
1941 New York – Round 1 – Landau, Salo – 0-1 – Platz, Joseph – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bf4 g5
1942 New York – Round 1 – Moskowitz, Jack – 0-1 – Platz, Joseph – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 Rb8
1942 USA Open Dallas – Round 16 – Yanofsky, Daniel Abraham – 1-0 – Allen Jones – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 O-O
1943 Prague – Round 17 – Pachman, Ludek – 1-0 – Kubanek, Jindrich – G139 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4
1944 Asuncion – Round 1 – Liebstein, Isaac – 0-1 – Maderna, Carlos – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bf4 O-O
1946 Hamburg HSV – Round 9 – Toerber, Claus – 1/2-1/2 – Rellstab, Ludwig Sr – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nd4 Qd7
1946 Helsinki – Round 4 – Book, Eero – 0-1 – Kiuru, V. – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 O-O
1946 New York ch-USA – Round 1 – Horowitz, I. – 0-1 – Steiner, Heinrich Jun. – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4
1947 Essen – Round 1 – Rautenberg, Wilhelm – 0-1 – Unzicker, Ferdinand, Dr. – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nd4 Nxe5
1947 GER Ch 11th – Round 1 – Niephaus, Walter – 1-0 – Kuppe, Wilhelm – G1 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 Na5
1947 Hilversum – Round 1 – O'Kelly, Albéric de Galway – 1-0 – Euwe, Max – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bc2 O-O
1947 Nt – Round 5 – Rautenberg, Wilhelm – 0-1 – Unzicker, Wolfgang – G16 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nd4 Nxe5
1947 Weidenau – Round 13 – Rellstab, Ludwig – 1-0 – Kuppe, Wilhelm – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4
1947 Yugoslavia Ch – Round 16 – Milic, Borislav – 1-0 – Bozic, Aleksandar – G80 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4
1948 Oldenburg – Round 1 – Sarapu, Ortvin – 1-0 – Rankis, August – G1 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 O-O
1949 Moskou ch-URS – Round 1 – Keres, Paul – 1-0 – Levenfish, Grigory – G122 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4
1950 Hastings5051 – Round 9 – Rossolimo, Nicolas – 1/2-1/2 – Unzicker, Wolfgang – G44 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4
1951 Marianske Lazne zt – Round 1 – Skold, Kent-Ake – 1/2-1/2 – Szabo, Ladislav – G68 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4
1951 URS Ch sf – Round 15 – Lilienthal, Andor – 0-1 – Makogonov, Vladimir – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nd4 Qd7
1952 USSR – Round 1 – Bronstein, David I – 1-0 – Keres, Paul Petrovich – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bc2 Nc5
1954 Dyckhoff Memorial A 5456 – Round ? – Barda, Olaf – 1-0 – Hayes, Christiaan – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bc2 Bg4
1954 Dyckhoff Memorial A 5456 – Round ? – Koch, Berthold – 1-0 – Hayes, Christiaan – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4
1954 Leningrad ch22-SU sf – Round 13 – Klaman, Konstantin Mikhailovich – 0-1 – Lutikov, Anatoly S – G37 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4
1954 URS-chTJ Coop – Round ? – Suetin, Alexey S – 0-1 – Korchnoi, Viktor – G24 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4
1955 JUG Ch – Round 14 – Bogdanovic, Rajko – 0-1 – Lukic, Arsenije – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4
1955 Ljubljana – Round ? – Bogdanovic, Rajko – 0-1 – Gorensek Krivec, Mojca – G154 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4
1955 Ljubljana – Round 3 – Bogdanovic, Rajko – 0-1 – Krivec Slavko – G26 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4
1956 Corr W-02ch – Round ? – Koch, Berthold – 1/2-1/2 – Arnlind, Eric – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4
1957 Madrid – Round 3 – O'Kelly, Albéric de Galway – 1/2-1/2 – Unzicker, Wolfgang – G19 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 Nc5
1957 Minsk zt – Round 19 – Klavins, Janis – 0-1 – Ostrauskas, A – G138 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Nxe4 7. d4 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4
1958 Ch - CC – Round ? – Bermudez Adams, William – 1-0 – Barber, George – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bf4 O-O
1958 Portoroz Interzonal – Round 7 – Sanguineti, Raúl Carlos – 1-0 – Rossetto, Hector – G67 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4
1958 Riga ch-URS – Round 1 – Averbach, Y. – 1/2-1/2 – Kortchnoi, V. – G82 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bf4 g5
1958 WchT U26 fin-A 05th – Round 2 – Padevsky, Nikola – 1-0 – Gurgenidze, Bukhuti – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4
1959 BUL Ch Sofia BUL – Round 9 – Padevsky, Nikola – 1/2-1/2 – Bobotsov, Milko G – G28 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4
1959 Tbilisi ch-URS – Round 3 – Bronstein, David I – 1-0 – Nikitin, Aleksander S – G24 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 Nc5
1962 Copenhagen – Round ? – Kolvig, Bent – 1-0 – Martins Poul – G55 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4
1962 Erevan ch-URS – Round 1 – Aronin, Lev – 1-0 – Kots, Yuri I – G131 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bc2 O-O
1962 Erevan ch-URS – Round 1 – Bannik, Anatolij – 1-0 – Shianovsky, Vladislav I – G130 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bc2 Bg4
1962 Spartak Ch – Round 17 – Platonov, Igor V – 1/2-1/2 – Suetin, Alexey S – G131 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 b4
1962 URS Team Ch – Round 1 – Bronstein, Daniel E – 1/2-1/2 – Kortchnoi, V. – G97 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bc2 O-O
1963 Kiev Avantgard Ch – Round ? – Kuzmin, Gennadi P – 1/2-1/2 – Shianovsky, Vladislav I – G45 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 O-O
1963 UKR Ch – Round 13 – Sakharov, Yuri G. – 1-0 – Gufeld, Eduard – G89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bc2 O-O
1965 Kiev – Round 1 – Nakonechny, Aleksandr – 0-1 – Shianovsky, Vladislav I – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bc2 O-O
1965 Kiev (Ukraine) – Round 5 – Nakonechny, Sergey – 0-1 – Shianovsky, Vladislav I – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bc2 O-O
1966 La Habana olm fin-A – Round 13 – Tringov, Georgi P – 1/2-1/2 – Korchnoi, Viktor – G249 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bc2 Qd7
1966 La Habana olm fin-A – Round 4 – Fischer, Robert J – 1-0 – Olafsson, Fridrik – G74 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bc2 Bg4
1966 Moscow Training – Round 6 – Shamkovich, L. – 1/2-1/2 – Kortchnoi, V. – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bc2 O-O
1968 IBM I – Round 9 – Shamkovich, Leonid – 1-0 – Zuidema, Coen – G32 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 O-O
1969 Sweden – Round 1 – Nilsson, Zandor – 1-0 – Ahman Ernst – G46 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Qe2 O-O
2024 Superbet Chess Classic - Round 7 - Nepomniachtchi Ian - 1/2-1/2 - Praggnanandhaa R - G31 1. e4 1... e5 2. Nf3 2... Nc6 3. Bb5 3... a6 4. Ba4 4... Nf6 5. O-O 5... Nxe4 6. d4 6... b5 7. Bb3 7... d5 8. dxe5 8... Be6 9. c3 9... Be7 10. Bf4 10... O-O
2026 Tata Steel India Rapid - Round 7.4 - Vidit, Santosh Gujrathi - 1/2-1/2 - Anand, Viswanathan - G34 1. e4 1... e5 2. Nf3 2... Nc6 3. Bb5 3... a6 4. Ba4 4... Nf6 5. O-O 5... Nxe4 6. d4 6... b5 7. Bb3 7... d5 8. dxe5 8... Be6 9. c3 9... Be7 10. h3 10... O-O
78. Tata Steel GpA 2016 – Round 10.2 – Caruana, Fabiano – 1-0 – Wei, Yi – G65 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bc2 Bg4
Croatia GCT 2019 – Round 4.5 – Vachier-Lagrave, Maxime – 1/2-1/2 – Giri, Anish – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bc2 Bg4
FIDE Candidates 2024 - Round 1 - Firouzja, Alireza - 1/2-1/2 - Praggnanandhaa R 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bc2 Bg4
FIDE World Cup 2025 – Round R3 Classical 2 – Shamsiddin Vokhidov – 1/2-1/2 – Erigaisi Arjun – G470 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 b4 9. d4 d6 10. dxe5 Nxe5
FIDE World Rapid Championship 2025 – Round 8 – Hans Niemann – 1-0 – Le Quang Liem – G146 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. h3 O-O
GCT Rapid Paris 2017 – Round 9.1 – Grischuk, Alexander – 1-0 – Mamedyarov, Shakhriyar – G41 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bf4 O-O
USA Ch 2018 – Round 4.4 – Robson, Ray – 0-1 – Shankland, Sam – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bf4 O-O
World Championship 29th 1978 – Round 24 – Karpov, Anatoly – 1/2-1/2 – Korchnoi, Viktor – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Bc2 Nc5
XXIV SuperGM 2007 – Round 8 – Morozevich, Alexander – 1/2-1/2 – Carlsen, Magnus – G28 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. a4 Nc5

C83a — Open Classical Defence

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Be7

Eval: [+0.26]

Les coups candidats

10.Nbd2 — 51.9% (1617 parties) →

Ambassadeurs : Euwe, Max (23x), Unzicker, Wolfgang (16x), Korchnoi, Viktor (14x), Lasker, Emanuel (13x), Starace, Umberto (12x), Armani, Giuseppe (11x), Klewe, Wolfgang (10x), Boleslavsky, Isaac (9x)

10.Be3 — 21.1% (659 parties) →

Ambassadeurs : Euwe, Max (11x), Unzicker, Wolfgang (11x), Keres, Paul (6x), Pilnik, Herman (6x), Cortlever, Nico (6x), Michel, Paul (5x), Rellstab, Ludwig (5x), Keres, Paul Petrovich (5x)

10.Re1 — 7.5% (234 parties) →

Ambassadeurs : Tarrasch, Siegbert (8x), Euwe, Max (8x), Loman, Rudolf (5x), Teichmann, Richard (5x), Olland, Adolf George (4x), Baird, John (3x), Taubenhaus, Jean (3x), Pollock, William (3x)

10.Bc2 — 6.5% (204 parties)

Ambassadeurs : Shianovsky, Vladislav I (6x), Euwe, Max (5x), Unzicker, Wolfgang (3x), Amin, Bassem (3x), Ishaq Faisal Sultan (3x), Van Seters, Frits (2x), Golmayo Torriente, Manuel (2x), Kortchnoi, V. (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.Nbd2	10.Be3	10.Re1	10.Bc2
<1800	54	54%	19%	6%	4%
1800-2200	606	60%	17%	6%	5%
2200-2600	782	63%	16%	4%	8%
2600+	119	50%	10%	8%	19%

Évolution par décennie (% des parties)

Décennie	N parties	10.Nbd2	10.Be3	10.Re1	10.Bc2
1860s	1	—	100%	—	—
1870s	2	—	—	50%	—
1880s	20	—	15%	65%	5%
1890s	20	20%	5%	50%	5%
1900s	17	12%	—	71%	6%
1910s	113	37%	19%	32%	1%
1920s	148	43%	23%	17%	5%
1930s	154	36%	25%	8%	4%
1940s	159	49%	19%	4%	3%
1950s	146	30%	32%	3%	2%
1960s	156	29%	38%	4%	17%
1970s	162	52%	27%	3%	7%
1980s	276	57%	33%	3%	3%
1990s	390	60%	19%	4%	5%
2000s	494	59%	17%	7%	6%
2010s	451	60%	16%	7%	7%
2020s	409	61%	14%	2%	13%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.Nbd2	60%	61%	▲ +1.0%
10.Be3	16%	14%	▼ -1.5%
10.Re1	7%	2%	▼ -4.9%
10.Bc2	7%	13%	▲ +5.8%

Joueurs célèbres

Champions du monde dans cette position

Lasker, Emanuel — 10 parties
Euwe, Max — 10 parties
Alekhine, Alexander — 10 parties
Anand, Viswanathan — 10 parties
Karpov, Anatoly — 4 parties
Botvinnik, Mikhail — 3 parties
Carlsen, Magnus — 3 parties
Tal, Mikhail — 2 parties
Kasparov, Garry — 1 partie
Hou, Yifan — 1 partie
Ding, Liren — 1 partie
Gukesh D — 1 partie

Parties historiques

10.Nbd2 — 51.9% (1617 parties)

1896 — Janowski, Dawid vs Winawer, Szymon — 1-0 — Vienna AUT
1897 — PooleBertlin vs Mason, James — 0-1 — London ENG
1897 — Poole P H vs Mason, James — 0-1 — ?
1898 — Lasker, Emanuel vs Moore, Harry — 0-1 — Great Britain
1900 — Bigot, Louis vs Nilsson, Zandor — 0-1 — Korr-OS final

10.Be3 — 21.1% (659 parties)

1869 — Zukertort, Johannes vs Minckwitz, Johannes — 1/2-1/2 — ?
1883 — Leffmann, Karl vs Gunsberg, Isidor — 0-1 — Nuerenberg GER
1887 — Berger, Jacob vs Schiffers, Emanuel — 0-1 — Frankfurt GER
1887 — Berger, Jacob vs Taubenhaus, Jean — 1-0 — Frankfurt GER
1896 — Walbrodt, Carl vs Winawer, Szymon — 1-0 — Budapest HUN

10.Re1 — 7.5% (234 parties)

1878 — Moscow vs St Petersburg — 1-0 — cr.
1882 — Hruby, Vincenz vs Englisch, Berthold — 1/2-1/2 — Vienna AUT
1885 — Bier, Max vs Gunsberg, Isidor — 0-1 — Hamburg GER
1885 — Bier, Max vs Minckwitz, Johannes — 0-1 — Hamburg GER
1887 — Tarrasch, Siegbert vs Zukertort, Johannes — 1-0 — Frankfurt GER

10.Bc2 — 6.5% (204 parties)

1889 — Judd, Max vs Pollock, William — 0-1 — New York, NY USA
1897 — Englund, Fritz vs Rosendahl, AC. — 0-1 — Stockholm SWE
1909 — Chandler, Jeff A vs Dixon Mitchell, Madeleyn Desiret — 1-0 — Harvard
1916 — Sani, Roberto vs Batori, Alberto — 0-1 — Milan ITA
1921 — Gilg, Alfred, Dr. vs Schindler, Alexander — 0-1 — corresp.

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