C68g — Spanish: Exchange, Keres Variation

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.Nc3 * ● 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 une majorité de pions à l'centre (2 contre 1).

Côté adverse. Les fous enfermés en c8 et f8, le roi resté au centre et une pièce en prise (le pion en e5).

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

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; 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 une majorité de pions à l'aile_dame (4 contre 3), les cases fortes d4 et b5, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Le fou enfermé en c1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier g8, les fous c8 et f8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Nf6 (Développer Ng8) ; ...Bg4 (Développer Bc8, clouer Nf3) ; ...Be7 (Développer Bf8) ; ...c5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	● c6, ● c7
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● b7→a6, b7→c6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 4v3

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● d4 (2v1), ● b5 (2v1)
Cases faibles	—	—
Centre	● e4 (1v0), ● e5 (1v0)	● d4 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	—	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	Non	● Oui
Non développées	3 (c1, a1, h1)	5 (g8, 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	● d2-d3	● …c6-c5, ● …f7-f6, ● …f7-f5

Partie
1900 DSB-12.Kongress – Round 4 – Wolf Heinrich – 1-0 – Billecard, Moritz – G26 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. d3 f6 7. Qe2 Bg4 8. h3 Bxf3 9. gxf3 Qd7 10. f4 O-O-O
1900 DSB-12.Kongress – Round 6 – Wolf Heinrich – 0-1 – Schlechter, Carl – G36 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. d3 f6 7. Qe2 Bg4 8. h3 Bh5 9. Be3 Bb4 10. a3 Bxc3+
1900 London – Round 6 – Alvarez Lee, Felix – 0-1 – Teichmann, Radek – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. Qe2 Qe7 7. d3 Bg4 8. h3 Bh5 9. g4 Bg6 10. Bd2 O-O-O
1903 It (Men) Hilversum NED – Round 1 – Heemskerk, Jan F – 0-1 – Speijer, Abraham – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bg4 6. h3 Bxf3 7. Qxf3 Bd6 8. d3 Ne7 9. Bd2 Qd7 10. Ne2 c5
1903 It (Men) Hilversum NED – Round 6 – Heemskerk, Jan F – 1-0 – Leonhardt, Paul – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. d3 Qe7 7. Ne2 Bg4 8. Ng3 O-O-O 9. h3 Bd7 10. a3 h5
1905 It (Men) St Petersburg RUS – Round 11 – Marshall Viele, Fabrizio Aaron – 1/2-1/2 – Tarrasch, Siegbert – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. h3 Qf6 7. d3 Qg6 8. Nh4 Qf6 9. Nf3 Qg6 10. Nh4 Qf6
1907 Brno Morava – Round 8.5 – Beck, Antonin – 0-1 – Prokes, Ladislav – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. d3 Ne7 7. Be3 Bd6 8. Ne2 f5 9. exf5 Nxf5 10. Bg5 Ne7
1907 Karlsbad – Round 1 – Wolf Heinrich – 1-0 – Janowski, Dawid – G100 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Qd6 6. d4 f6 7. Be3 Bg4 8. Qd2 O-O-O 9. O-O-O Qb4 10. a3 Qc4
1907 Oostende – Round 2 – Tarrasch, Siegbert – 1/2-1/2 – Chigorin, Mikhail – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. d3 Qd6 7. Be3 Bxe3 8. fxe3 Ne7 9. O-O O-O 10. Qe1 Ng6
1907 Ostende II – Round 2 – Schories, Georg – 1-0 – Shoosmith, Hector W – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bd6 6. d4 f6 7. dxe5 Bxe5 8. Qxd8+ Kxd8 9. Nxe5 fxe5 10. f4 Ne7
1907 Vienna – Round 7 – Loewy, Leopold Jr – 0-1 – Vidmar, Milan Sr – G31 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. d3 f6 7. Be3 Bxe3 8. fxe3 Qe7 9. O-O Bg4 10. Qe1 O-O-O
1908 Vienna – Round 2 – Tartakower, Savielly – 0-1 – Schlechter, Carl – G28 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bb4 6. O-O Bg4 7. h3 h5 8. d3 Qf6 9. Re1 Bxf3 10. Qxf3 Qxf3
1910 DSB-17.Kongress – Round 13 – Spielmann, Rudolf – 1/2-1/2 – Schlechter, Carl – G85 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bb4 6. Ne2 Qe7 7. c3 Bd6 8. Qb3 Nf6 9. d3 Nd7 10. Bg5 f6
1912 San Sebastian – Round 1 – Teichmann, Richard – 1/2-1/2 – Perlis, Julius – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. d3 f6 7. Qe2 Ne7 8. Be3 Bd6 9. d4 exd4 10. Nxd4 c5
1913 St Petersburg – Round 2 – Bogoljubow, Efim – 1-0 – Taubenhaus, Jean – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. Nxe5 Bxf2+ 7. Kxf2 Qd4+ 8. Ke1 Qxe5 9. d3 Nf6 10. Qf3 Bg4
1914 St Petersburg preliminary – Round 9 – Capablanca, Jose – 1-0 – Janowski, Dawid – G11 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. d3 Bg4 7. Be3 Bxe3 8. fxe3 Qe7 9. O-O O-O-O 10. Qe1 Nh6
1914 St Petersburg RUS – Round ? – J.R.Capablanca – 1-0 – Janowski, Dawid – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. d3 Bg4 7. Be3 Bxe3 8. fxe3 Qe7 9. O-O O-O-O 10. Qe1 Nh6
1915 Triberg – Round 1 – Bogoljubow, Efim – 1-0 – Flamberg, Alexander – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bb4 6. Ne2 Nf6 7. a3 Bd6 8. Ng3 c5 9. d3 h6 10. Qe2 Be6
1916 Nordisk Turnering-B – Round 4 – Nissen, Hans Henrik Kabell – 0-1 – Berndtsson, Karl – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. d3 Bg4 7. h3 Bh5 8. Be3 Bd6 9. Qe2 Qf6 10. g4 Bg6
1919 Stockholm – Round 2 – Bogoljubow, Efim – 1-0 – Reti, Richard – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bg4 6. h3 Bh5 7. g4 Bg6 8. Nxe5 Qf6 9. Nxg6 hxg6 10. d3 O-O-O
1920 Gothenburg-B – Round 12 – Johner, Paul – 1-0 – Jacobson, Ernst – G72 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bd6 6. d4 exd4 7. Qxd4 f6 8. Be3 Ne7 9. O-O-O Ng6 10. h4 Qe7
1921 Vienna-B – Round 1 – Mandler Arthur – 0-1 – Becker, Albert – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. Nxe5 Bxf2+ 7. Kxf2 Qd4+ 8. Ke1 Qxe5 9. Qf3 Nf6 10. d3 Bg4
1922 NED Team Ch 2122 – Round 5.3 – Kroone, Gerard – 1-0 – Goud, JH. – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bd6 6. d4 Bg4 7. dxe5 Bxf3 8. Qxf3 Bxe5 9. Bf4 Qf6 10. Bxe5 Qxe5
1923 Montreal sim – Round ? – Alekhine, Alexander – 0-1 – Gaudet, G. – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bg4 6. h3 Bxf3 7. Qxf3 Qf6 8. Qg3 O-O-O 9. d3 Bc5 10. Be3 Bxe3
1924 BCF Ch 17th – Round 2 – Fairhurst, William – 0-1 – Yates, Fred Dewhirst – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bd6 6. d4 f6 7. dxe5 fxe5 8. Nxe5 Qf6 9. Nd3 Qg6 10. O-O Bg4
1924 BCF Ch 17th – Round 4 – Fairhurst, William – 1/2-1/2 – Spencer, Edmund – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. d3 Nf6 7. Be3 Qe7 8. Bxc5 Qxc5 9. d4 exd4 10. Qxd4 Qxd4
1925 CSR tour sim – Round ? – Alekhine, Alexander – 1-0 – Glockner, Jaromir – G24 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bd6 6. d4 Bg4 7. dxe5 Bxf3 8. Qxf3 Bxe5 9. Bf4 Qf6 10. Bxe5 Qxe5
1925 Paris sim – Round ? – Alekhine, Alexander – 1-0 – ? – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. Nxe5 Bxf2+ 7. Kxf2 Qd4+ 8. Ke1 Qxe5 9. d4 Qe6 10. d5 Qg6
1928 The Hague ol – Round 5 – Proca, Zeno – 1-0 – Monticelli, Mario – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. O-O Bg4 7. h3 h5 8. d3 Qf6 9. Be3 Bd6 10. Re1 Bxf3
1929 Paris – Round 8 – Seitz, Jakob Adolf – 1/2-1/2 – Schwarzmann, L. – G38 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. d3 Qe7 7. Be3 f6 8. d4 exd4 9. Bxd4 Bg4 1/2-1/2
1929 Paris – Round 8 – Seitz, Jakob Adolf – 1/2-1/2 – Schwarzmann, Leon – G39 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. d3 Qe7 7. Be3 f6 8. d4 exd4 9. Bxd4 Bg4 10. Bxc5 Qxc5
1930 Kent County Premier – Round 5 – Thomas, George Alan – 1-0 – Price, Hubert E – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bg4 6. d3 Bd6 7. Be3 c5 8. h3 Bh5 9. Qe2 Ne7 10. g4 Bg6
1931 Prague ol Prague CZE – Round 13 – Vidmar, Marjeta – 1/2-1/2 – Bogoljubow, Efim – G42 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bb4 6. Nxe5 Qg5 7. Nf3 Qxg2 8. Rg1 Qh3 9. Rg3 Qh5 10. Rg5 Qh3
1933 Jakarta sim – Round ? – Alekhine, Alexander – 1/2-1/2 – Van Hasselt, CJ. – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bd6 6. d4 Qe7 7. O-O Bg4 8. dxe5 Bxe5 9. h3 h5 10. Qd3 Bxf3
1939 Buenos Aires Circulo – Round 1 – Czerniak, Moshe – 1-0 – Gerschman, Jose – G34 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bg4 6. h3 Bxf3 7. Qxf3 Qf6 8. Qg3 Bc5 9. d3 h5 10. f4 exf4
1945 London Championship – Round 1 – Thomas, George Alan – 0-1 – Wood, Gabriel Jacquin – G1 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. Ne2 f6 7. O-O Bg4 8. Ng3 Ne7 9. h3 Be6 10. Qe2 Qd7
1945 Tbilisi – Round 1 – Petrosian, Tigran A. – 1-0 – Buslaev, Aleksander – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. d3 Bg4 7. Be3 Qe7 8. h3 Bh5 9. Qe2 f6 10. a3 Bf7
1949 GBR Ch 36th – Round 6.12 – Harris, Peter – 1-0 – Abrahams, Gerald – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bg4 6. h3 Bh5 7. g4 Bg6 8. d3 Bc5 9. Be3 Qe7 10. Qd2 O-O-O
1949 JUG Ch – Round 14 – Trifunovic, Petar – 1/2-1/2 – Nedeljkovic, Srecko M – G59 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. d3 Ne7 7. Be3 Bxe3 8. fxe3 Bg4 9. h3 Bxf3 10. Qxf3 O-O
1950 Amsterdam ch-NED – Round 1 – Orbaan, Constant – 1-0 – Barendregt, Johan – G27 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bb4 6. Nxe5 Qg5 7. Nf3 Qxg2 8. Rg1 Qh3 9. Rxg7 Bg4 10. Ng1 Bxd1
1950 Birmingham U20 International – Round 8 – Harris, Peter A – 1/2-1/2 – Olafsson, Fridrik – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. d3 Bg4 7. h3 Bh5 8. Be3 Qd6 9. g4 Bg6 10. Qd2 O-O-O
1950 HUN-ch06 – Round 1 – Szilagyi, Gyorgy Laszlo – 1/2-1/2 – Vajda, Arpad – G49 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bg4 6. h3 Bxf3 7. Qxf3 Qd7 8. b3 f6 9. Bb2 Nh6 10. O-O Nf7
1952 Helsinki olm – Round 1 – Byrne, Ray – 0-1 – Sliwa, Bogdan – G155 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. d3 f6 7. Be3 Bxe3 8. fxe3 Nh6 9. Qd2 Qe7 10. O-O-O Bd7
1952 Hungary Ch – Round 6 – Kluger, Gyula – 0-1 – Ban Juach – G38 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. d3 Qe7 7. Be3 Bg4 8. h3 Bh5 9. Bxc5 Qxc5 10. g4 Bg6
1952 ITA-AUT m – Round 2.3 – Kinzel, Anton – 1-0 – Norcia, Federico – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bg4 6. h3 Bxf3 7. Qxf3 Qf6 8. d3 O-O-O 9. Be3 Ne7 10. h4 Qxf3
1952 Moskou ch-URS – Round 1 – Goldenov, Boris P – 1/2-1/2 – Bronstein, David I – G127 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Qd6 6. d4 exd4 7. Nxd4 Qg6 8. Qf3 Bg4 9. Qg3 O-O-O 10. h3 Bd7
1955 Hungary Ch – Round 1 – Gracs, Pal – 1-0 – Hajtun, Jozsef – G53 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bg4 6. h3 Bxf3 7. Qxf3 Qf6 8. d3 Bb4 9. Bd2 Qe6 10. a3 Bd6
1955 Ljubljana – Round 14 – Kieninger, Georg – 1-0 – Krivec Slavko – G122 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bd6 6. d4 exd4 7. Qxd4 f6 8. Be3 Qe7 9. O-O-O b6 10. Qd3 Bb7
1956 YUG-GER – Round 2.8 – Kieninger, Georg – 1/2-1/2 – Udovcic, Mijo – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. d3 Nf6 7. Be3 Qe7 8. Bxc5 Qxc5 9. Qd2 O-O 10. O-O-O Re8
1957 FRG Ch Bad Neuenahr – Round 15 – Schuster, Theodor – 1/2-1/2 – Pfeiffer, Gerhard – G46 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bg4 6. h3 Bxf3 7. Qxf3 Qf6 8. Qxf6 Nxf6 9. d3 Bc5 10. Be3 Bxe3
1957 Przepiorka Memorial – Round 4 – Orbaan, Constant – 1/2-1/2 – Sliwa, Bogdan – G25 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. Nxe5 Bxf2+ 7. Kxf2 Qd4+ 8. Ke1 Qxe5 9. d3 Nf6 10. Qf3 Bg4
1959 Madrid – Round 9 – Prins, Laura – 0-1 – Rellstab, Ludwig – G38 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. Nxe5 Bxf2+ 7. Kxf2 Qd4+ 8. Ke1 Qxe5 9. d4 Qd6 10. Rf1 Qxh2
1960 Ch - Campbell High S – Round 3 – Blackstone, John – 1-0 – Dommeyer, Carl – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bd6 6. d4 Bg4 7. dxe5 Bxe5 8. Qxd8+ Rxd8 9. Nxe5 Be6 10. Be3 Nf6
1960 Nimzowitsch Memorial – Round ? – Orbaan, Constant – 1-0 – Hamann, Svend – G45 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Qd6 6. d3 c5 7. Be3 f6 8. Ng1 Be6 9. Nge2 O-O-O 10. f4 Ne7
1961 Wch U20 fin-A – Round 4 – Larusson, Gudmundur – 0-1 – Zuidema, Coen – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bc5 6. Nxe5 Qg5 7. d4 Qxg2 8. Qf3 Qxf3 9. Nxf3 Ba7 10. Rg1 g6
1962 Ch - CC – Round ? – Blackstone, John – 1/2-1/2 – Fowell, Richard – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bg4 6. h3 Bxf3 7. Qxf3 1/2-1/2
1962 CSR Ch – Round 5 – Augustin, Josef – 0-1 – Marsalek, Josef – G39 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bg4 6. h3 Bxf3 7. Qxf3 Qd7 8. d3 f6 9. O-O Bb4 10. Ne2 Ne7
1962 OWL Ch – Round 4 – Speer, Albrecht – 1-0 – Stoppkotte, Gerhard – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bd6 6. d4 Bg4 7. dxe5 Bxf3 8. Qxf3 Bxe5 9. Bf4 Qf6 10. Bxe5 Qxe5
1965 Harrachov 6465 – Round 8 – Voboril, Pavel – 1/2-1/2 – Augustin, Josef – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bg4 6. h3 Bxf3 7. Qxf3 Qf6 8. Qxf6 Nxf6 9. d3 Bb4 10. Bd2 Nd7
1965 HUN Ch 20th – Round 1 – Haag, Ervin – 1/2-1/2 – Honfi, K. – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bg4 6. h3 Bxf3 7. Qxf3 Qf6 8. Qxf6 Nxf6 9. d3 Bb4 10. O-O Bxc3
1965 Leipzig Inter 1st – Round 14 – Trifunovic, Petar – 1/2-1/2 – Malich, Burkhard, Dr. – G21 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Qd6 6. d4 exd4 7. Qxd4 Qxd4 8. Nxd4 Bd7 9. Be3 O-O-O 10. O-O-O Bd6
1966 Tel-Aviv it – Round 15 – Kagan, Shimon – 1/2-1/2 – Kraidman, Yair – G30 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bg4 6. h3 Bxf3 7. Qxf3 Qd7 8. d3 O-O-O 9. Be3 f6 10. O-O-O c5
1967 ROM Ch – Round 18 – Troianescu, Octav – 0-1 – Fischer, Johann – G124 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 c5 6. d3 Bd6 7. b3 Ne7 8. h3 Ng6 9. Ne2 h5 10. Be3 Bd7
Thessaloniki olm 1988 – Round 13 – Aivin Antonio, Renjith – 1/2-1/2 – Nunn, John D M – G119 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bd6 6. d4 exd4 7. Qxd4 f6 8. Be3 Ne7 9. O-O-O Be6 10. Rhe1 O-O
World Blitz 2007 – Round 5 – Karpov, Anatoly – 1/2-1/2 – Mamedyarov, Shakhriyar – G49 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bg4 6. h3 Bxf3 7. Qxf3 Qd7 8. d3 f6 9. Be3 O-O-O 10. Ne2 c5

C68g — Exchange Keres Variation

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dxc6 5.Nc3

Eval: [-0.13]

Les coups candidats

5…f6 — 48.2% (1887 parties) →

Ambassadeurs : Yandemirov, Valeri (39x), Stanojoski, Zvonko (25x), Korchut, Adam (17x), Solak, Dragan (17x), Donev, Ivo (15x), Rasik, Vitezslav (13x), Cardoso, Sergio Carlos de Almeida (12x), Holzhaeuer, Mathias (12x)

5…Bd6 — 17.6% (691 parties)

Ambassadeurs : Alekhine, Alexander (8x), Andreev, Dobrotich (8x), Breja, Stanislav (7x), Surya, Benito (5x), Donev, Ivo (4x), Van Riemsdijk, Herman C. (4x), Leeuwestein, Cor (4x), Bones Richard (4x)

5…Bg4 — 11.5% (451 parties)

Ambassadeurs : Andreev, Dobrotich (11x), Lasker, Emanuel (4x), Yandemirov, Valeri (4x), Letay, Gyula (4x), Breja, Stanislav (4x), Isepy, Jozsef (3x), Grivas, Efstratios (3x), Hajioannou, Dimos (3x)

5…Qd6 — 9.6% (377 parties)

Ambassadeurs : Solak, Dragan (8x), Romanishin, Oleg M (6x), Moroz, Adrian (4x), Chura, Jan (4x), Rozentalis, Eduardas (4x), Tverskaya, Julia (3x), Smejkal, Jan (3x), Donev, Ivo (3x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…f6	5…Bd6	5…Bg4	5…Qd6
<1800	123	33%	31%	16%	5%
1800-2200	1045	45%	20%	14%	9%
2200-2600	1454	59%	11%	7%	14%
2600+	33	61%	3%	9%	24%

Évolution par décennie (% des parties)

Décennie	N parties	5…f6	5…Bd6	5…Bg4	5…Qd6
1870s	1	—	—	—	—
1880s	4	50%	—	50%	—
1890s	13	15%	—	23%	—
1900s	34	12%	15%	15%	3%
1910s	31	19%	3%	16%	—
1920s	72	56%	11%	10%	—
1930s	35	57%	14%	6%	3%
1940s	23	57%	9%	9%	—
1950s	91	60%	8%	13%	2%
1960s	93	60%	9%	14%	4%
1970s	75	71%	8%	9%	4%
1980s	159	52%	14%	9%	14%
1990s	846	50%	18%	10%	13%
2000s	1178	44%	21%	13%	11%
2010s	1006	48%	19%	12%	8%
2020s	256	51%	16%	9%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…f6	48%	51%	▲ +2.4%
5…Bd6	19%	16%	▼ -2.4%
5…Bg4	12%	9%	▼ -2.6%
5…Qd6	8%	7%	▼ -1.4%

Joueurs célèbres

Champions du monde dans cette position

Lasker, Emanuel — 10 parties
Alekhine, Alexander — 10 parties
Steinitz, Wilhelm — 3 parties
Botvinnik, Mikhail — 3 parties
Euwe, Max — 3 parties
Smyslov, Vladimir — 3 parties
Karpov, Anatoly — 2 parties
Anand, Viswanathan — 1 partie
Ding, Liren — 1 partie

Parties historiques

5…f6 — 48.2% (1887 parties)

1883 — Teed, Frank vs Steinitz, Wilhelm — 1-0 — New York, NY USA
1883 — Teed, vs Steinitz, David — 1-0 — New York, NY USA
1896 — Lasker, Emanuel vs Steinitz, Wilhelm — 1-0 — Moskou wch-m
1899 — Lasker, Emanuel vs Schlechter, Carl — 1/2-1/2 — London ENG
1902 — Lasker, Emanuel vs Cohn, Erich — 1-0 — USA

5…Bd6 — 17.6% (691 parties)

1905 — Finn Julius vs Bampton, Samuel — 1/2-1/2 — Sylvan Beach
1907 — Schories, Georg vs Shoosmith, Hector W — 1-0 — Ostende II
1908 — Lasker, Emanuel vs J van Roon — 1-0 — Rotterdam NED
1909 — Pritzel, Axel Carl Martin vs Ahlberg, Algot — 1/2-1/2 — Goteborg SWE
1909 — Loewy, Leopold Jr vs Strobl, Otto — 1-0 — Vienna AUT

5…Bg4 — 11.5% (451 parties)

1886 — Schallopp, Emil vs Gunsberg, Isidor — 1-0 — Nottingham ENG
1886 — Schallopp, Emil vs Hanham, James — 1-0 — Nottingham ENG
1896 — Lasker, Emanuel vs Steinitz, Wilhelm — 1-0 — Moskou wch-m
1898 — Lasker, Emanuel vs Wright, Warner — 1-0 — Great Britain
1898 — Maroczy, Geza vs D Marco, Gianni — 1/2-1/2 — Vienna AUT

5…Qd6 — 9.6% (377 parties)

1907 — Wolf Heinrich vs Janowski, Dawid — 1-0 — Carlsbad CZE
1933 — Alekhine, Alexander vs Ellerbrock, Manfred — 1-0 — Bandoeng
1952 — Goldenov, Boris P vs Bronstein, David I — 1/2-1/2 — Moskou ch-URS
1958 — Liublinsky, Victor vs Vatnikov, Joseph — 1-0 — Moscow RUS
1960 — Orbaan, Constant vs Hamann, Svend — 1-0 — Copenhagen DEN

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