A25s — English: Closed, 5.e3

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur les cases fortes e4, b5 et d5, un fou actif en g2 et la paire de fous.

Côté adverse. Le fou enfermé en c8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier g1, le fou c1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Nf3 (Développer Ng1) ; d3 (Libérer Bc1).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la paire de fous.

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, le fou c8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d6 (Libérer Bc8) ; ...Nf6 (Développer Ng8) ; ...d5 (Rupture) ; ...e4 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● d2→e3, f2→e3, f2→g3, h2→g3	● f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bg2	● Bg2 Actif (mob. 6)
Bg7		● Bg7 Ok (mob. 3)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (g1, c1, a1, h1)	4 (g8, c8, 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	semi-ouvert
Ruptures	● c4-c5, ● d2-d3, ● e3-e4, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e5-e4, ● …f7-f6, ● …f7-f5

Partie
1923 Hastings2324 – Round 5 – Colle, Edgar – 1-0 – Mieses, Jacques – G18 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 d6 7. a3 Be6 8. Nd5 Qd7 9. d3 f5 10. Nec3 Nd8
1936 Nottingham – Round 1 – Alexander, Conol Hugh – 0-1 – Reshevsky, Samuel – G4 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. O-O d6 8. Nd5 Nxd5 9. cxd5 Ne7 10. d4 Nf5
1937 Kemeri – Round 1 – Ozols, Karlis – 0-1 – Reshevsky, Samuel – G7 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. O-O d6 8. Nd5 Bf5 9. d3 Rb8 10. Nec3 a6
1937 Tbilisi ch-URS – Round 1 – Kan, Ilya A – 0-1 – Yudovich, Mikhail M – G3 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. O-O d6 8. d4 exd4 9. Nxd4 Nxd4 10. exd4 Nf5
1938 AVRO – Round 1 – Botvinnik, Mikhail – 1-0 – Reshevsky, Samuel – G1 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. d4 exd4 8. exd4 O-O 9. O-O Nf5 10. d5 Ne5
1938 Trade Unions – Round 15 – Shamaev, Leonid – 1-0 – Alatortsev, Vladimir N. – G117 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. d3 O-O 8. O-O Be6 9. Nd5 Qd7 10. Qa4 Rfe8
1938 Trade Unions – Round 17 – Shamaev, Leonid – 1-0 – Grechkin, Dmitry M – G132 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. O-O d6 8. d3 Be6 9. Nd5 Qd7 10. Qa4 Nxd5
1939 Leningrad ch-URS – Round 11 – Kan, Ilya A – 1-0 – Panov, Vasily – G85 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nh6 6. Nge2 O-O 7. d4 d6 8. O-O Bg4 9. h3 Bd7 10. d5 Ne7
1940 Kiev – Round 1 – Stolberg, Mark – 1-0 – Goldberg, Grigory A – G2 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 d6 7. d4 exd4 8. exd4 Bg4 9. h3 Bxe2 10. Nxe2 O-O
1940 New York ch-USA – Round 10 – Hanauer, Milton Loeb – 1/2-1/2 – Adams, Weaver – G51 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. d4 exd4 8. Nxd4 Nxd4 9. exd4 d5 10. cxd5 Nf5
1940 URS-sf – Round ? – Stolberg, Mark Moiseevich – 1-0 – Goldberg, Grigory A – G90 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 d6 7. d4 exd4 8. exd4 Bg4 9. h3 Bxe2 10. Nxe2 O-O
1940 URS-sf – Round 1 – Goldberg, Grigory A – 0-1 – Alatortsev, Vladimir N. – G1 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. O-O d6 8. d4 exd4 9. exd4 Nf5 10. d5 Ne5
1940 URS-sf – Round 1 – Kasparian, Genrikh – 1/2-1/2 – Goldberg, Grigory A – G2 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. O-O d6 8. d3 Be6 9. Nd5 Qd7 10. Nec3 Nd8
1941 Ventnor City – Round 9 – Reinfeld, Fred – 1-0 – Adams, Weaver – G28 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. O-O d6 8. d4 exd4 9. Nxd4 Nxd4 10. exd4 Nf5
1945 Moscow RUS – Round 9 – Koblencs, Alexander – 1-0 – Ragozin, Viacheslav – G12 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. e3 Bg7 5. Bg2 Nge7 6. Nge2 d6 7. O-O h5 8. h3 h4 9. g4 f5 10. gxf5 Bxf5
1946 USA Ch New York, NY USA – Round 1 – Rubinow, Sol – 0-1 – Horowitz, Albert Israel – G1 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. d4 exd4 8. exd4 Nf5 9. d5 Ne5 10. b3 d6
1947 Nt – Round 15 – Heinicke, Herbert – 1/2-1/2 – Rellstab, Ludwig – G20 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 d6 7. O-O O-O 8. d4 exd4 9. exd4 Nf5 10. d5 Ne5
1947 Nt – Round 4 – Kuppe, Wilhelm – 0-1 – Rellstab, Ludwig – G4 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 d6 7. O-O O-O 8. Rb1 Bf5 9. d3 Qd7 10. b4 Bh3
1947 Nt Essen GER – Round 4 – Heinicke, Herbert – 0-1 – Kieninger, Georg – G10 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. O-O O-O 8. d4 exd4 9. exd4 Nf5 10. d5 Ne5
1948 Moskou ch-URS – Round 19 – Ilivitsky, Georgy A – 1/2-1/2 – Alatortsev, Vladimir N. – G153 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Bd7 7. d4 Qc8 8. Nd5 Nd8 9. dxe5 dxe5 10. b3 c6
1949 Moskou ch-URS – Round 1 – Aronin, Lev – 1-0 – Levenfish, Grigory – G2 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nf6 6. Nge2 O-O 7. O-O d6 8. d3 Be6 9. Nd5 Rb8 10. Nec3 Ne7
1950 CSR-BUL Prague CZE – Round 1 – Filip, Miroslav – 1-0 – Maltsev, Aleksandre – G1 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. Rb1 Bd7 8. Nd5 Nxd5 9. cxd5 Ne7 10. d4 c6
1950 URS Ch sf Tartu – Round 10 – Mikenas, Vladas – 0-1 – Bannik, Anatolij – G9 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. O-O d6 8. Nd5 Be6 9. b3 Qd7 10. Bb2 Bg4
1950 URS Ch sf Tartu – Round 3 – Shamkovich, Leonid – 1/2-1/2 – Rovner, Dmitry – G1 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. O-O O-O 8. Nd5 Bf5 9. d3 Qd7 10. Nxe7+ Qxe7
1952 Latvian Exiles 5254 – Round ? – Zemgalis, Elmars – 1-0 – Dreibergs, Leonid – G1 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. d4 exd4 8. exd4 O-O 9. O-O Nf5 10. d5 Ne5
1952 URS ch sf – Round 14 – Tolush, Alexander V – 1/2-1/2 – Bannik, Anatolij – G86 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. O-O d6 8. d3 Be6 9. Nd5 Rb8 10. Nec3 Qd7
1953 AUS Ch – Round 4 – Koshnitsky, Gregory – 1-0 – Reintals, Karlis – G1 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. O-O Nf5 8. a3 a5 9. Qa4 Ra6 10. Nd5 d6
1953 AUS Ch – Round 8 – Ozols, Karlis – 1-0 – Reintals, Karlis – G12 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. O-O O-O 8. Nd5 Nxd5 9. cxd5 Ne7 10. Nc3 Bd7
1953 URS Ch sf Vilnius LTU – Round ? – Zhukhovitsky, Samuel – 1/2-1/2 – Panov, Vasily – G2 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. O-O d6 8. Nd5 Bd7 9. h3 Kh8 10. Nec3 Rb8
1953 URS-training – Round 10 – Smyslov, Vladimir – 1-0 – Kotov Lundqvist, Alex – G33 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 f5 6. Nge2 e4 7. d3 exd3 8. Qxd3 Nf6 9. b3 d6 10. O-O O-O
1954 Bucharest – Round 9 – Troianescu, Octav – 1-0 – Paoli, Enrico – G77 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. O-O d6 8. d3 Be6 9. Nd5 Nf5 10. Rb1 Qd7
1954 Kiev ch-URS – Round 18 – Averbakh, Yuri L – 1-0 – Bannik, Anatolij – G166 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 d6 7. O-O O-O 8. d4 exd4 9. exd4 Bg4 10. f3 Bc8
1954 URS Ch, semi final – Round 1 – Korchnoi, Viktor – 1-0 – Pimenov, Serafim – G1 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 Nf5 7. d3 O-O 8. O-O d6 9. Rb1 a5 10. a3 Be6
1955 Moskou ch-URS – Round 1 – Kortchnoi, V. – 1/2-1/2 – Taimanov, M. – G7 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 d6 7. d4 exd4 8. exd4 O-O 9. O-O Re8 10. d5 Ne5
1955 USSR – Round 1 – Goldberg, Grigory A – 1-0 – Ragozin, Viacheslav – G1 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 d6 7. O-O O-O 8. d4 exd4 9. Nxd4 Bd7 10. Nce2 Ne5
1956 URS Ch sf – Round ? – Goldberg, Grigory A – 0-1 – Lisitsin, Georgy – G8 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. O-O O-O 8. d4 exd4 9. Nxd4 Bd7 10. h3 Nxd4
1957 Leningrad – Round 1 – Furman, Slavomir – 1-0 – Bannik, Anatolij – G1 1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 Nge7 6. Nge2 Nf5 7. b3 d6 8. Bb2 O-O 9. O-O Be6 10. d3 Nfe7
1958 Clare Benedict Cup 05th – Round 1 – Darga, Klaus – 1-0 – Stoeckl, Ernst – G1 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 Nf5 7. Rb1 a5 8. a3 h5 9. h4 d6 10. d3 Bd7
1958 HUN Ch 14th – Round 15 – Barczay, Laszlo – 1-0 – Forintos, Gyozo V – G38 1. g3 g6 2. Bg2 Bg7 3. c4 Nc6 4. Nc3 e5 5. e3 Nge7 6. Nge2 Nf5 7. Rb1 a5 8. a3 d6 9. b4 axb4 10. axb4 Be6
1958 OWL Ch – Round 10 – Hantke Rolf – 1-0 – Kochan, Arkadiusz – G25 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. d4 exd4 8. exd4 Nf5 9. d5 Ne5 10. O-O O-O
1959 Candidats Tournament – Round 19 – Benko, Pal – 0-1 – Keres, Paul Petrovich – G70 1. c4 Nc6 2. g3 e5 3. Bg2 g6 4. Nc3 Bg7 5. e3 d6 6. Nge2 Nge7 7. Rb1 a5 8. a3 Be6 9. Nd5 Nf5 10. b4 axb4
1960 Asuncion – Round ? – Wexler, Bernardo – 1/2-1/2 – Estrada Degrandi, Walter – G51 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 f5 6. Nge2 Nf6 7. d4 d6 8. b4 O-O 9. b5 Ne7 10. dxe5 dxe5
1961 Marianske Lazne zt – Round 15 – Bobotsov, Milko G – 1/2-1/2 – Milic, Borislav – G101 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. d3 O-O 8. O-O Be6 9. Nd5 Rb8 10. Nec3 a6
1961 Moscow Ch – Round ? – Goldberg, Grigory A – 1-0 – Kuznetsov, Viktor N – G37 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Bg4 7. h3 Be6 8. d4 exd4 9. Nxd4 Bd7 10. O-O Nge7
1961 ROM Ch – Round 15 – Gunsberger, Alexander – 1/2-1/2 – Ciocaltea, Victor – G95 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 f5 7. O-O Nh6 8. d4 O-O 9. dxe5 Nxe5 10. b3 Nhf7
1961 URS-ch28 – Round ? – Averbakh, Yuri L – 1/2-1/2 – Cherepkov, Alexander V – G1 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Bg4 7. h3 Be6 8. Nd5 Qd7 9. Qa4 Nh6 10. d3 O-O
1962 Capablanca Memorial – Round 3 – Polugaevsky, Lev – 1/2-1/2 – Spassky, Boris Vasily – G23 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Rb1 a5 7. a3 d6 8. Nge2 O-O 9. b4 axb4 10. axb4 Be6
1962 Erevan ch-URS – Round 19 – Mikenas, Vladas – 1/2-1/2 – Zaitsev, Igor A – G164 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 d6 7. O-O O-O 8. b3 Bf5 9. d4 Qd7 10. d5 Nd8
1962 Wch women – Round 8 – Gaprindashvili, Nona – 1/2-1/2 – Bikova, E. – G8 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. O-O d6 8. a3 Be6 9. Nd5 Qd7 10. d3 Nf5
1963 Leningrad ch-URS – Round 1 – Kortchnoi, V. – 1-0 – Polugaevsky, L. – G7 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Bd7 7. d4 Qc8 8. d5 Nce7 9. e4 h5 10. Ng1 Nh6
1963 POL Ch 20th – Round 11 – Plater, Kazimierz – 1/2-1/2 – Brzozka, Stefan – G70 1. g3 e5 2. c4 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 Nge7 6. Nge2 O-O 7. Rb1 d6 8. b4 Bf5 9. d3 Qc8 10. O-O Bh3
1963 Spartak CC – Round ? – Ilivitsky, Georgy A – 0-1 – Zhukhovitsky, Samuel – G2 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. O-O O-O 8. b3 Be6 9. Ba3 Rb8 10. d4 exd4
1964 1. division -65 – Round 4.2 – Sloth, Jorn – 1-0 – Moe, Mogens – G8 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. O-O Nf5 8. Rb1 a5 9. a3 d6 10. b4 axb4
1964 Belgrade – Round 12 – Larsen, Bent Ravn – 0-1 – Szabo, Laszlo – G86 1. g3 g6 2. Bg2 Bg7 3. c4 e5 4. Nc3 Nc6 5. e3 Nge7 6. Nge2 Nf5 7. d3 d6 8. Rb1 Be6 9. b4 Qd7 10. b5 Nd8
1964 Belgrade – Round 3 – Larsen, Benjamin Holsko – 0-1 – Spassky, Boris V. – G22 1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 Nge7 6. Nge2 O-O 7. O-O d6 8. d4 exd4 9. exd4 Bg4 10. f3 Bf5
1964 Bordeaux Open – Round 7 – Sanner, Dennis – 0-1 – Mazzoni, Guy – G21 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. O-O O-O 8. d4 exd4 9. exd4 Nf5 10. d5 Ne5
1964 IBM – Round 2 – Larsen, Bent – 1-0 – Cuijpers, Frans Andre – G15 1. g3 e5 2. Bg2 Nc6 3. c4 g6 4. Nc3 Bg7 5. e3 d6 6. Nge2 Nge7 7. d4 O-O 8. d5 Nb8 9. h4 h5 10. e4 Nd7
1964 Kiev ch-URS – Round 1 – Shamkovich, Leonid – 1-0 – Liavdansky, Vladimir – G7 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 d6 7. O-O O-O 8. h3 Be6 9. Nd5 Qd7 10. Kh2 Nf5
1964 Pecs – Round 4 – Bobotsov, Milko G – 1-0 – Damjanovic, Mato – G19 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. O-O Bf5 8. d4 Qd7 9. d5 Nd8 10. e4 Bh3
1964 Pecs – Round 8 – Bobotsov, Milko G – 1-0 – Paoli, Enrico – G46 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. O-O d6 8. d3 Be6 9. Nd5 Qd7 10. Qa4 Nc8
1964 URS-ch32 – Round ? – Shamkovich, Leonid – 1-0 – Ljavdansky, Vladimir – G1 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 d6 7. O-O O-O 8. h3 Be6 9. Nd5 Qd7 10. Kh2 Nf5
1965 Asztalos Memorial 8th – Round 2 – Gunsberger, Alexander – 0-1 – Honfi, Karoly – G9 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. O-O Bg4 8. h3 Be6 9. Nd5 O-O 10. d3 Qd7
1965 Copenhagen – Round 9 – Andersen, Borge – 0-1 – Hort, Vlastimil – G76 1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 Nge7 6. Nge2 d6 7. d3 Be6 8. Nd5 Qd7 9. O-O h5 10. Nec3 Nd8
1965 Gyula – Round ? – Korchnoi, Viktor – 1-0 – Gunsberger, Alexander – G17 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 h5 7. d4 h4 8. d5 Nce7 9. e4 hxg3 10. hxg3 Rxh1+
1965 ISR Ch – Round 8 – Kagan, Shimon – 1-0 – Romm, Meir – G28 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Rb1 a5 7. Nge2 d6 8. O-O O-O 9. a3 g5 10. b4 axb4
1965 It II – Round 11 – Kramer, Haije – 1-0 – Kieninger, Georg – G10 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 d6 7. O-O O-O 8. d3 Be6 9. Nd5 a5 10. Rb1 Bxd5
1965 Mar del Plata – Round 2 – Benko, Pal – 1/2-1/2 – Bolbochan, J. – G14 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. O-O d6 8. d4 exd4 9. exd4 Bg4 10. h3 Bxe2
1965 Moscow – Round 1 – Sadomsky A – 0-1 – Murey, Jacob – G1 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. O-O O-O 8. d4 exd4 9. exd4 Bg4 10. f3 Bf5
1965 SM - Falkoping – Round 5 – Ekenberg, Bengt – 0-1 – Nilsson, Zandor – G8 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. d4 exd4 8. exd4 d6 9. O-O Re8 10. h3 Nf5
1965 Tallinn ch-URS – Round 1 – Simagin, Vladimir – 1/2-1/2 – Polugaevsky, Lev – G9 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. O-O Be6 8. Nd5 O-O 9. d3 Qd7 10. Bd2 f5
1965 WchT U26 12. fin-A – Round 5 – Ree, Hans – 0-1 – Gheorghiu, Florin – G24 1. c4 g6 2. Nc3 Bg7 3. g3 e5 4. Bg2 Nc6 5. e3 Nge7 6. Nge2 O-O 7. O-O d6 8. d4 exd4 9. exd4 Bg4 10. h3 Bxe2
1966 Bucharest – Round 9 – Korchnoi, Viktor – 1/2-1/2 – Gheorghiu, Florin – G36 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 d6 7. Rb1 O-O 8. d3 a5 9. a3 Bd7 10. b4 axb4
1966 Havana – Round 1 – Gadia, Olicio – 0-1 – Adeba Rodriguez, Jesus – G4 1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 Nge7 6. Nge2 O-O 7. O-O d6 8. d3 Nf5 9. Rb1 a5 10. a3 h5
1966 Hoogovens – Round 4 – Szabo, Ladislav – 1-0 – Damjanovic, Marko – G19 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. d3 O-O 8. O-O h6 9. Rb1 g5 10. b4 Ng6
1966 La Habana olm prel – Round 1 – Baca, Alberto – 0-1 – Ghitescu, Theodor – G1 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 d6 7. d4 exd4 8. Nxd4 Nxd4 9. exd4 O-O 10. O-O Nc6
1966 Moscow – Round 1 – Goldin, Alexander – 0-1 – Murey, Jacob – G1 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. O-O d6 8. b3 Be6 9. Nd5 f5 10. Nxe7+ Qxe7
1967 October Revolution 50 – Round ? – Korchnoi, Viktor – 1/2-1/2 – Kholmov, Ratmir D – G78 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. Rb1 Bf5 8. d3 Qd7 9. h4 O-O 10. b4 Nd8
1967 OWL Ch – Round 7 – Werner, Stephan – 1-0 – Soelter, Reinhold – G15 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. O-O d6 8. a3 Be6 9. d3 Qd7 10. Re1 Bh3
1967 URS Team Ch – Round 1 – Nikitin, Yuri – 1/2-1/2 – Uusi, Gunnar – G11 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 d6 7. d4 exd4 8. exd4 O-O 9. O-O Bg4 10. h3 Bxe2
1967 URS-ch35 – Round 1 – Polugaevsky, Lev – 1-0 – Lutikov, Anatoly S – G9 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nf6 7. d4 O-O 8. O-O Bd7 9. h3 a6 10. b3 Rb8
1968 Buenos Aires – Round 6 – Panno, Oscar – 1-0 – Palermo, Vicente – G43 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. Rb1 d6 8. d3 Be6 9. Nd5 Qd7 10. b4 Rae8
1968 Hastings6869 – Round 1 – Tukmakov, Vladimir B – 1/2-1/2 – Wright, Daniel – G1 1. c4 g6 2. Nc3 Bg7 3. g3 e5 4. Bg2 Nc6 5. e3 d6 6. Nge2 Nge7 7. d4 exd4 8. exd4 Bg4 9. h3 Bxe2 10. Nxe2 Nf5
1968 Hastings6869 – Round 4 – Tukmakov, Vladimir B – 1-0 – Hartoch, Robert G – G19 1. c4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 Nc6 5. e3 d6 6. Nge2 h5 7. h4 Nge7 8. Rb1 O-O 9. b4 a6 10. O-O Be6
1968 Hastings6869 – Round 7 – Hartoch, Robert G – 1-0 – Wright, Daniel – G34 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. Rb1 Be6 8. Nd5 Qd7 9. b4 a6 10. O-O O-O
1968 Lugano ol (Men) fin-C – Round 1 – Koshnitsky, Gregory – 1-0 – Wibe, Terje – G1 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. O-O O-O 8. a3 Be6 9. Nd5 Nf5 10. d3 Qd7
1968 Lugano olm - Round 1 - Zwaig, Arne - 1-0 - Siaperas, Triantafyllos - G456 1. g3 e5 2. Bg2 g6 3. c4 Nc6 4. Nc3 Bg7 5. e3 d6 6. Nge2 Nge7 7. Rb1 O-O 8. b4 Qe8 9. b5 Nd8 10. O-O f5
1968 OWL Ch – Round 10 – Werner, Stephan – 0-1 – Soelter, Reinhold – G20 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 d6 7. b3 O-O 8. Bb2 Bg4 9. f3 Be6 10. O-O Qd7
1968 Palma de Mallorca – Round 2 – Visier Segovia, Fernando – 1/2-1/2 – Gheorghiu, Florin – G22 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. b3 Nge7 7. Nge2 Be6 8. Bb2 O-O 9. O-O Qd7 10. Na4 Bh3
1968 POL Ch 25th – Round 10 – Lewi, Jerzy – 1-0 – Filipowicz, Andrzej – G56 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 d6 7. O-O Be6 8. b3 Qd7 9. d4 Bh3 10. d5 Nd8
1968 Rubinstein Memorial – Round 1 – Simagin, Vladimir – 0-1 – Padevsky, Nikola – G12 1. g3 e5 2. c4 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 f5 6. d3 Nf6 7. Nge2 O-O 8. Rb1 d6 9. b4 Qe8 10. O-O Be6
1968 Solingen – Round 5 – Eising, Johannes – 0-1 – Wade, Robert G – G23 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 h5 7. h4 Nh6 8. d3 O-O 9. Rb1 Bg4 10. b4 e4
1968 SWE Ch – Round 7 – Skold, Kristian – 1-0 – Litsberger, Rune – G14 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. O-O O-O 8. a3 a5 9. h3 Be6 10. Nd5 Qd7
1968 URS Team Ch – Round 1 – Belinkov, A. – 1/2-1/2 – Gufeld, Eduard – G12 1. c4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 Nc6 5. e3 d6 6. Nge2 h5 7. h4 Nh6 8. Nd5 Bg4 9. d3 Qd7 10. b4 O-O
1969 Luhacovice – Round 3 – Hort, Vlastimil – 1/2-1/2 – Augustin, Josef – G36 1. g3 e5 2. c4 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 d6 6. Nge2 Nge7 7. d3 O-O 8. O-O Be6 9. Nd5 Qd7 10. Rb1 Nd8
1969 OWL Ch – Round 9 – Werner, Stephan – 1/2-1/2 – Soelter, Reinhold – G17 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. O-O d6 8. b3 Bg4 9. f3 Be6 10. Bb2 Qd7
1969 Rhyl ch-BCF – Round 8 – Fuller, Maxwell Leonard – 1/2-1/2 – Wade, Robert G – G59 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 h5 7. h3 Nh6 8. b3 h4 9. g4 f5 10. gxf5 Bxf5
1969 Vrsac – Round 2 – Masic, Almir – 1/2-1/2 – Barcza, Gedeon – G21 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nf6 7. d4 O-O 8. O-O Bd7 9. h3 Qc8 10. Kh2 Ne7
1969 WchT U26 fin-B 16th – Round 3.1 – Zwaig, Arne – 0-1 – Sigurjonsson, Gudmundur – G16 1. g3 e5 2. Bg2 Nc6 3. c4 g6 4. Nc3 Bg7 5. e3 d6 6. Rb1 a5 7. a3 f5 8. Nge2 Nf6 9. d4 O-O 10. O-O Kh8
1969 Zagreb – Round 13 – Hort, Vlastimil – 1/2-1/2 – Kovacevic, Veljko – G88 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nh6 6. Nge2 O-O 7. O-O d6 8. d3 Be6 9. Nd5 Qd7 10. Rb1 Bh3
1975 URS Team Ch – Round 3 – Zitserman, Tatyana – 1/2-1/2 – Muslimova, Aida – G10 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 d6 7. d3 O-O 8. O-O Bg4 9. h3 Be6 10. Nd5 Qd7
Amber Blindfold 2001 – Round 8 – Leko, Peter – 1-0 – Almasi, Zoltan – G10 1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 h5 6. h3 d6 7. Nge2 Nh6 8. d4 exd4 9. exd4 Nf5 10. d5 Ncd4
Biel Interzonal 1976 – Round 6 – Smejkal, Jan – 1-0 – Gulko, Boris – G26 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nf6 7. d4 O-O 8. O-O a5 9. b3 exd4 10. Nxd4 Nxd4
Biel Interzonal 1993 – Round 1 – Topalov, Veselin – 0-1 – Seirawan, Yasser – G2 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Rb1 f5 7. d3 Nf6 8. Nge2 O-O 9. O-O Ne7 10. f4 c6
Candidats qf4 1977 – Round 3 – Spassky, Boris V. – 1-0 – Hort, Vlastimil – G3 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 f5 7. d4 e4 8. b4 Nf6 9. Rb1 Ne7 10. f3 exf3
Candidats Tournament 1985 – Round 10 – Seirawan, Yasser – 0-1 – Korchnoi, Viktor – G57 1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 d6 6. Nge2 Nge7 7. O-O O-O 8. d3 Bg4 9. h3 Be6 10. Nd5 Qd7
IBM 1978 – Round 12 – Hort, Vlastimil – 1-0 – Browne, Walter Shawn – G32 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 f5 6. Nge2 Nf6 7. d4 e4 8. f3 exf3 9. Bxf3 O-O 10. O-O d6
Interpolis 1981 – Round 1 – Portisch, Lajos – 1-0 – Ljubojevic, Ljubomir – G5 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. d3 O-O 8. O-O Be6 9. Nd5 Rb8 10. e4 Qd7
Interpolis 1982 – Round 1 – Portisch, Lajos – 0-1 – Petrosian, Tigran V. – G3 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 h5 7. d4 h4 8. d5 Nb8 9. e4 Bg4 10. Qa4+ Kf8
Interpolis 4th 1980 – Round 2 – Ribli, Zoltan – 0-1 – Karpov, Anatoly – G1 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Nge7 7. d3 O-O 8. O-O Bd7 9. h3 Rb8 10. Qd2 Be6
Jakarta / Yogya / Bali 1983 – Round 1 – Portisch, Lajos – 0-1 – Jussupow, Artur – G1 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 h5 7. d4 h4 8. d5 Nce7 9. e4 h3 10. Bf1 f5
Luzern olm 1982 – Round 3 – Portisch, Lajos – 1/2-1/2 – Murey, Jacob – G14 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 O-O 7. O-O a6 8. d3 Rb8 9. Bd2 b5 10. b3 Nb4
Saint Louis Blitz 2019 – Round 9.5 – Ding, Liren – 1-0 – Caruana, Fabiano – G45 1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 Nge7 6. Nge2 O-O 7. O-O d6 8. d3 Rb8 9. b3 a6 10. Bb2 b5
Saint Louis Rapid and Blitz 2025 – Round 22 – Gukesh D – 1-0 – Abdusattorov Nodirbek – G109 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 h5 7. h3 h4 8. g4 f5 9. gxf5 Bxf5 10. d3 Nf6
SportAccord Blitz Men 2012 – Round 11.4 – Leko, Peter – 1-0 – Ding, Liren – G82 1. c4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 Nc6 5. e3 d6 6. Nge2 f5 7. O-O Nf6 8. d3 O-O 9. b3 Be6 10. Nd5 Qd7
Superbet Blitz 2022 – Round 11.3 – So, Wesley – 0-1 – Duda, Jacob – G53 1. c4 e5 2. g3 Nc6 3. Nc3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 f5 7. d3 Nf6 8. O-O O-O 9. b3 g5 10. f4 h6
World Blitz 2015 – Round 6.4 – Bocharov, Dmitry – 1-0 – Ivanchuk, Vasyl – G371 1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 d6 6. Nge2 h5 7. h3 f5 8. d4 h4 9. dxe5 hxg3 10. exd6 gxf2+
World Rapid 2019 – Round 11.27 – Nikolov, Nikolay Petrov – 1-0 – Chigaev, Maksim – G704 1. c4 g6 2. Nc3 Bg7 3. g3 e5 4. Bg2 Nc6 5. e3 d6 6. Nge2 Nge7 7. a3 h5 8. h3 h4 9. g4 f5 10. gxf5 Bxf5

A25s — Closed

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e3

Eval: [+0.28]

Les coups candidats

5…d6 — 63.8% (2821 parties)

Ambassadeurs : Cvetkovic, Srdjan (18x), Contin, Daniel (16x), Sehner, Norbert (14x), Jussupow, Artur (10x), Kaposztas, Miklos (8x), Sarno, Spartaco (8x), Hort, Vlastimil (7x), Stanec, Nikolaus (7x)

5…Nge7 — 19.5% (860 parties)

Ambassadeurs : Soelter, Reinhold (6x), Moody, David W (6x), Goldberg, Grigory A (5x), Bannik, Anatolij (4x), Werner, Stephan (4x), Gheorghiu, Florin (4x), Murey, Jacob (4x), Korchnoi, Viktor (3x)

5…f5 — 11.0% (487 parties)

Ambassadeurs : Browne, Walter Shawn (5x), Sammalvuo, Tapani (4x), ? (4x), Mulyar, Michael (4x), Pap, Marko (4x), Bukal, Vladimir Jr. (3x), Zapolskis, Antanas (3x), Sehner, Norbert (3x)

5…Nf6 — 3.7% (162 parties)

Ambassadeurs : Gleizerov, Evgeny (8x), Miladinovic, Igor (3x), Khomeriki, Nino (3x), Dzagnidze, Nana (3x), Anelli, Antonio (2x), Haik, Aldo (2x), Duchene, Klaus (2x), Rajkovic, Mladen (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…d6	5…Nge7	5…f5	5…Nf6
<1800	75	57%	20%	17%	5%
1800-2200	1417	62%	23%	11%	3%
2200-2600	1914	67%	15%	12%	4%
2600+	54	76%	9%	11%	2%

Évolution par décennie (% des parties)

Décennie	N parties	5…d6	5…Nge7	5…f5	5…Nf6
1920s	1	—	100%	—	—
1930s	17	53%	41%	—	—
1940s	19	32%	63%	—	5%
1950s	41	49%	46%	5%	—
1960s	144	62%	32%	2%	1%
1970s	183	63%	23%	5%	3%
1980s	416	71%	14%	10%	2%
1990s	1046	63%	17%	13%	5%
2000s	1211	65%	17%	13%	3%
2010s	1100	62%	23%	10%	4%
2020s	241	68%	17%	9%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…d6	62%	68%	▲ +6.1%
5…Nge7	23%	17%	▼ -5.1%
5…f5	10%	9%	▼ -1.2%
5…Nf6	4%	5%	▲ +0.9%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 4 parties
Ding, Liren — 3 parties
Botvinnik, Mikhail — 2 parties
Smyslov, Vladimir — 2 parties
Karpov, Anatoly — 2 parties
Gukesh D — 2 parties
Kramnik, Vladimir — 1 partie
Kasparov, Garry — 1 partie
Ju, Wenjun — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

5…d6 — 63.8% (2821 parties)

1932 — Robitsek Paul vs Palda, Karl — 1-0 — Vienna AUT
1936 — Endzelins, Lucius vs Zita, Frantisek — 0-1 — Schack-olympiaden i Munchen
1937 — Ozols, Karlis vs Mikenas, Vladas — 0-1 — Kemeri LAT
1937 — Ozols, Karlis vs Mikenas, Vladas — 0-1 — Kemeri LAT
1937 — Kan, Ilya A vs Yudovich, Mikhail M — 0-1 — Tbilisi GEO

5…Nge7 — 19.5% (860 parties)

1923 — Colle, Edgar vs Mieses, Jacques — 1-0 — Hastings ENG
1935 — Kibbermann, Feliks vs Vaitonis, Povilas — 1-0 — Warsschau ol
1936 — Chan Wo Kan, Lea vs Yudovich, Mikhail M — 1/2-1/2 — Moscow RUS
1936 — Alexander, Conol Hugh vs Reshevsky, Samuel — 0-1 — Nottingham ENG
1937 — Kan, Ilya A vs Yudovich, Mikhail M — 0-1 — Tbilisi ch-URS

5…f5 — 11.0% (487 parties)

1952 — Castaldi, Vincenzo vs Ulvestad, Olaf — 0-1 — Florence
1953 — Smyslov, Vladimir vs Kotov Lundqvist, Alex — 1-0 — Garga
1960 — Wexler, Bernardo vs Estrada Degrandi, Walter — 1/2-1/2 — Asuncion PAR
1968 — O'Kelly de Galway, Alberic vs Medina-Garcia, Antonio — 1/2-1/2 — Malaga ESP
1968 — Simagin, Vladimir vs Padevsky, Nikola — 0-1 — Polanica Zdroj POL

5…Nf6 — 3.7% (162 parties)

1949 — Aronin, Lev vs Levenfish, Grigory — 1-0 — Moskou ch-URS
1969 — Dobrovolsky, Ladislav vs Beil, Zdenek — 1-0 — Brno CZE
1972 — Grumer, Eugene vs Kadri, Mokhtar — 0-1 — Skopje MKD
1973 — Garcia, Horacio Pedro vs Anelli, Antonio — 1/2-1/2 — Pinamar ARG
1973 — Acevedo Garcia, Hilda vs Anelli, Antonio — 1/2-1/2 — Pinamar tt Pinamar ARG

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