E87c — King’s Indian: Saemisch, Orthodox, 7.d5 c5

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5 c5 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte b5.

Atouts. Les Blancs s'appuient sur la case forte b5, un fou actif en e3 et la paire de fous.

Côté adverse. Les fous enfermés en g7 et c8.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier g1, le fou f1 et les tours a1 et h1).

Plans. Bd3 (Développer Bf1).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Manœuvres et amélioration des pièces.

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

Côté adverse. Le fou enfermé en f1 et le roi resté au centre.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b8, le fou c8 et la tour a8).

Plans. ...Nbd7 (Développer Nb8).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● g2→f3, f3→e4, c4→d5, e4→d5	● d6→c5, d6→e5, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0)	—
Cases faibles	● d4	● d5
Centre	● d5 (4v1), ● e4 (2v1)	● e5 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 2)
Be3	● Be3 Actif (mob. 8)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	4 (● g1, ● f1, ● a1, ● h1)	3 (● b8, ● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Roqué
Droits de roque	O-O / O-O-O	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● f3-f4	—

Partie
1935 Moscow – Round 11 – Bohatyrchuk, Fedir Parfenovych – 1/2-1/2 – Menchik, Vera Frantsevna – G50 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 6. f3 Bg7 7. Be3 O-O 8. Bd3 Ne8 9. Nge2 Nd7 10. Qd2 a6
1953 Candidats Tournament – Round 25 – Kotov, Alexander. – 1/2-1/2 – Gligorić, Svetozar – G165 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Bd3 Nh5 9. Nge2 f5 10. exf5 gxf5
1953 Candidats Tournament – Round 27 – Kotov Lundqvist, Alex – 1/2-1/2 – Najdorf, Miguel – G174 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. g4 Ne8 9. h4 f5 10. exf5 gxf5
1954 Budapest HUN – Round ? – Berger, Bela – 0-1 – Gereben, Erno – G4 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Bd3 Na6 9. a3 Ne8 10. Nge2 f5
1954 DDR Ch U20 – Round 6 – Moehring, Guenther – 1/2-1/2 – Moeckel, Klaus – G28 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Ne8 9. g4 f5 10. gxf5 gxf5
1954 Hastings5455 – Round 3 – Pachman, Ludek – 1/2-1/2 – Phillips, Alan – G10 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Ne8 9. Bd3 f5 10. exf5 gxf5
1954 Hungary Ch – Round 1 – Hajtun, Jozsef – 1/2-1/2 – Bilek, Istvan – G28 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Nh5 9. g4 Nf4 10. Nge2 Nxe2
1954 Leningrad – Round 1 – Chekhover, Vitaly – 1-0 – Dommes, Vladimir M – G12 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Nh5 9. O-O-O f5 10. exf5 gxf5
1954 Mar del Plata – Round 1 – Estrada Degrandi, Walter – 0-1 – Wexler, Bernardo – G5 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be3 d6 6. f3 e5 7. d5 c5 8. Qd2 Ne8 9. g4 f5 10. gxf5 gxf5
1954 Mar del Plata – Round 8 – Jauregui, Carlos – 1-0 – Bombardo Schroder, Liam – G63 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Nh5 9. g4 Nf4 10. Nge2 g5
1954 Olympiad final A – Round 1 – Milev, Zdravko – 0-1 – Kluger, Gyula – G48 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Nh5 9. O-O-O f5 10. Kb1 Na6
1954 Prague zt Prague CZE – Round 12 – Ciocaltea, Victor – 0-1 – Kluger, Gyula – G43 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Na6 9. g4 Nc7 10. h4 Re8
1954 URS Ch, semi final – Round 1 – Kasparian, Genrikh – 0-1 – Gurgenidze, Bukhuti – G13 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Bd3 Nh5 9. Nge2 f5 10. Qd2 f4
1955 Buenos Aires CA – Round 12 – Szabo, Ladislav – 1-0 – Bianco Esposito, Antonio – G87 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Bd3 Nh5 9. Qd2 f5 10. exf5 gxf5
1955 Hungary Ch – Round 1 – Portisch, Lajos – 0-1 – Benko, Pal – G29 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. g4 h5 9. h3 Nh7 10. Qd2 h4
1955 Ljubljana – Round 11 – Vidmar, Milan Jr – 0-1 – Padevsky, Nikola – G90 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Qe8 9. g4 Na6 10. O-O-O Nc7
1955 Ljubljana – Round 7 – Vidmar, Milan Jr – 0-1 – Milic, Borislav – G55 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be3 d6 6. f3 e5 7. d5 c5 8. Qc2 Ne8 9. Bd3 f5 10. exf5 gxf5
1955 Long Beach US-open – Round 12 – Lombardy, William J – 0-1 – Rivise, Irving – G68 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 a6 9. Bd3 Ne8 10. Nge2 f5
1955 Mar del Plata – Round 2 – Pachman, Ludek – 1-0 – Toran Albero, Roman – G11 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Nh5 9. O-O-O f5 10. exf5 gxf5
1955 Moscow RUS – Round 1 – Ragozin, Viacheslav – 1-0 – Shishov, Mikhail – G2 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. g4 Ne8 9. h4 f5 10. exf5 gxf5
1955 Moskou ch-URS – Round 1 – Kan, Ilya A – 1-0 – Taimanov, Mark E – G67 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 e5 6. d5 O-O 7. Be3 c5 8. Qd2 Na6 9. g4 Nc7 10. h4 a6
1955 Odessa Odessa UKR – Round ? – Chekhover, Vitaly – 1/2-1/2 – Lein, Anatoly – G6 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Na6 9. g4 Nc7 10. h4 a6
1955 Prague tm Prague CZE – Round 1 – Antos, Zoltan – 0-1 – Szilagyi, Gyorgy Laszlo – G5 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Nh5 9. Bd3 f5 10. exf5 gxf5
1955 Prague tm Prague CZE – Round 1 – Rejfir, Josef – 1/2-1/2 – Dworzynski, Roman – G3 1. c4 Nf6 2. Nc3 g6 3. e4 Bg7 4. d4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Ne8 9. Nge2 f5 10. Nc1 Nf6
1955 URS Team Ch fin – Round 3 – Taimanov, Mark E – 1-0 – Shishov, Mikhail – G6 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 O-O 6. Be3 e5 7. d5 c5 8. g4 Ne8 9. Qd2 f5 10. gxf5 gxf5
1955 USSR – Round 1 – Polyak, Angela – 1/2-1/2 – Boleslavsky, Isaac – G12 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Ne8 9. Bd3 f5 10. exf5 gxf5
1955 USSR – Round 1 – Taimanov, Mark E – 1-0 – Shishov, Mikhail – G13 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. g4 Ne8 9. Qd2 f5 10. gxf5 gxf5
1956 CAN-op – Round ? – Sherwin, James T – 1-0 – Aczel Szabo, Janos – G11 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Ne8 9. Bd3 f5 10. exf5 gxf5
1956 CAN-op – Round 6 – Sherwin, James T – 1-0 – Szabo, Stefan – G3 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Ne8 9. Bd3 f5 10. exf5 gxf5
1956 Leningrad ch-URS – Round 1 – Spassky, Boris V. – 1-0 – Boleslavsky, Isaac – G73 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qc2 Ne8 9. O-O-O f5 10. exf5 gxf5
1956 Montreal – Round 1 – Sherwin, James T – 1-0 – Yanofsky, Daniel Abraham – G15 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Ne8 9. Bd3 f5 10. exf5 gxf5
1956 URS Ch sf – Round ? – Zamikhovsky, Abram – 1-0 – Nei, Iivo – G45 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Bd3 Nh5 9. Qd2 f5 10. exf5 gxf5
1956 URS Ch, semi final – Round 1 – Tal, Mikhail – 1-0 – Giorgadze, Tamaz – G26 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. g4 h5 9. h3 Na6 10. Qd2 Nh7
1957 CSR-ITA Prague CZE – Round 1 – Romani, Elio – 0-1 – Dolezal, Jiri – G5 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Ne8 9. g4 f5 10. gxf5 gxf5
1957 Danmarksmesterskabet – Round 8 – Nielsen, Axel – 1-0 – Lauridsen, Evald – G28 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Nge2 Na6 9. g4 Bxg4 10. fxg4 Nxg4
1957 It Gotha GER – Round 6 – Fuchs, Reinhart – 1/2-1/2 – Golz, Werner – G14 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Nh5 9. O-O-O f5 10. exf5 gxf5
1957 Leningrad Ch – Round 1 – Chekhover, Vitaly – 0-1 – Cherepkov, Alexander V – G2 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. f3 O-O 6. Be3 e5 7. d5 c5 8. g4 Na6 9. Qd2 Nc7 10. O-O-O a6
1957 Moskou ch-URS – Round 15 – Kortchnoi, V. – 1-0 – Boleslavsky, I. – G147 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Ne8 9. Bd3 f5 10. exf5 gxf5
1957 URS Ch, semi final – Round 5 – Chistiakov, Alexander – 0-1 – Boleslavsky, Isaac – G48 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Bd3 Ne8 9. Nge2 a6 10. Qd2 f5
1958 Argentina – Round 14 – Emma, Jaime – 1-0 – Garcia Rodriguez, Raimundo – G110 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Ne8 9. Bd3 f5 10. exf5 gxf5
1958 Corr Golden Knights – Round ? – Aronson, Eva – 1/2-1/2 – Zalys, Ignas – G1 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Bd3 Nh5 9. Qd2 f5 10. exf5 gxf5
1958 Riga ch-URS – Round 1 – Polugaevsky, Lev – 1-0 – Suetin, Alexey S – G42 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. g4 Ne8 9. h4 f5 10. gxf5 gxf5
1958 Riga ch-URS – Round 1 – Tal, Mikhail – 0-1 – Boleslavsky, Isaac – G43 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. g4 Ne8 9. h4 f5 10. gxf5 gxf5
1958 Riga ch-URS – Round 18 – Kotov Lundqvist, Alex – 1-0 – Spassky, Boris V. – G135 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. g4 Ne8 9. h4 a6 10. Bd3 b5
1958 WchT U26 fin-A 05th – Round 7 – Emma, Jaime – 0-1 – Lukic, Arsenije – G75 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Na6 9. Bd3 Nc7 10. Nge2 a6
1959 BUL Ch Sofia BUL – Round 8 – Popov, Luben – 1-0 – Radev, Nikolai – G25 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Nh5 9. Bd3 f5 10. exf5 gxf5
1959 Moscow – Round 1 – Buslaev, Aleksander – 0-1 – Gufeld, Eduard – G11 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be3 d6 6. f3 e5 7. d5 c5 8. g4 Na6 9. h4 Nc7 10. h5 a6
1959 UKR Ch – Round 21 – Rotstein, Jefim – 1-0 – Gufeld, Eduard – G158 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 e5 6. d5 c5 7. Be3 O-O 8. Qd2 Ne8 9. g4 Nd7 10. h4 Nc7
1960 Prague radio sim – Round ? – Tal, Mikhail – 1-0 – Volf, Jaroslav – G8 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. g4 Na6 9. Qd2 Nc7 10. Bd3 a6
1961 Buenos Aires ch-ARG – Round 10 – Luckis, Marcos – 1-0 – Chemes, Luis – G62 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Nbd7 9. g4 a6 10. Nge2 h5
1961 Corr FS – Round 1 – O'Kelly, Albéric de Galway – 1-0 – Endzelins, Lucius – G7 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. g4 Ne8 9. h4 f5 10. gxf5 gxf5
1962 Leningrad-Moscow m – Round ? – Artsukevich, K – 0-1 – Liberzon, Vladimir M – G2 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Ne8 9. g4 f5 10. gxf5 gxf5
1963 Bath ch-BCF – Round 1 – Firth, Malcolm – 0-1 – Littlewood, John E – G9 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be3 d6 6. f3 e5 7. d5 c5 8. Bd3 Ne8 9. Qd2 a6 10. Nge2 f5
1966 La Habana olm fin-C – Round 1 – Campomanes, Florencio – 1-0 – Badamgarav, G. – G3 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Nge2 Na6 9. g4 h5 10. h3 Nh7
1967 Sweden (ch) – Round 8 – Ek, Hans – 1-0 – Berglund Martin – G38 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Bd3 a6 9. Nge2 Nbd7 10. Qd2 Ne8
1968 Alma Ata ch-URS – Round 16 – Platonov, Igor V – 1-0 – Nikitin, A. – G139 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be3 d6 6. f3 e5 7. d5 c5 8. Qd2 Na6 9. Bd3 Nc7 10. Nge2 Rb8
1968 Cardenas/Matanzas/Santa Clara – Round 16 – Jimenez Zerquera, Eleazar – 1-0 – Mandivil – G83 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 Ne8 9. Bd3 Na6 10. Nge2 f5
1969 USSR – Round 1 – Katalymov, Boris – 1-0 – Gulko, Boris – G3 1. c4 g6 2. d4 Bg7 3. Nc3 d6 4. e4 Nf6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Qd2 a6 9. Bd3 Nh5 10. Nge2 f5
Niksic 1978 – Round 1 – Hort, Vlastimil – 1-0 – Gligoric, Svetozar – G2 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 c5 8. Bd3 Nh5 9. Nge2 f5 10. exf5 gxf5

E87c — Saemisch Orthodox

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3 O-O 6.Be3 e5 7.d5 c5

Eval: [+1.19]

Les coups candidats

8.Qd2 — 47.1% (173 parties)

Ambassadeurs : Boleslavsky, Isaac (3x), Sherwin, James T (3x), Pachman, Ludek (2x), Chekhover, Vitaly (2x), Pogrebissky, Iosif (2x), Kurass, Iskir (2x), Liberzon, Vladimir M (2x), Gunsberger, Alexander (2x)

8.g4 — 24.8% (91 parties)

Ambassadeurs : Uhlmann, Wolfgang (5x), Baljon, Christofoor (4x), Shishov, Mikhail (3x), Tal, Mikhail (3x), Kotov, Alexander (2x), Najdorf, Miguel (2x), Kotov Lundqvist, Alex (2x), Spassky, Boris V. (2x)

8.Bd3 — 19.1% (70 parties)

Ambassadeurs : Boleslavsky, Isaac (2x), Berger, Bela (1x), Gereben, Erno (1x), Kasparian, Genrikh (1x), Gurgenidze, Bukhuti (1x), Spassky, Boris Vasily (1x), Gluschtschenok (1x), Firth, Malcolm (1x)

8.dxc6 — 4.1% (15 parties)

Ambassadeurs : Koshel, G (1x), Klompus, Grigory Yakovlevich (1x), Nei, Iivo (1x), Boleslavsky, Isaac (1x), Zatulovskaya, Tatiana (1x), Szmacinska, Grazyna (1x), Macek, Vlasta (1x), Rakic-Serianc, Brigita (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.Qd2	8.g4	8.Bd3	8.dxc6
<1800	12	33%	17%	25%	8%
1800-2200	71	58%	14%	17%	7%
2200-2600	80	38%	32%	24%	2%

Évolution par décennie (% des parties)

Décennie	N parties	8.Qd2	8.g4	8.Bd3	8.dxc6
1950s	82	52%	29%	12%	1%
1960s	25	36%	28%	28%	4%
1970s	31	52%	32%	16%	—
1980s	32	34%	38%	19%	6%
1990s	74	35%	30%	20%	9%
2000s	70	54%	16%	21%	3%
2010s	44	52%	11%	23%	5%
2020s	9	78%	—	22%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Qd2	52%	78%	▲ +25.5%
8.g4	11%	0%	▼ -11.4%
8.Bd3	23%	22%	▼ -0.5%
8.dxc6	5%	0%	▼ -4.5%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 3 parties
Anand, Viswanathan — 2 parties

Parties historiques

8.Qd2 — 47.1% (173 parties)

1954 — Pachman, Ludek vs Phillips, Alan — 1/2-1/2 — Hastings ENG
1954 — Arlamowski, Edward vs Ziembinski, Marian — 1-0 — POL-ch Lodz POL
1954 — Estrada Degrandi, Walter vs Wexler, Bernardo — 0-1 — Mar del Plata ARG
1954 — Hajtun, Jozsef vs Bilek, Istvan — 1/2-1/2 — Hungary ch
1954 — Chekhover, Vitaly vs Dommes, Vladimir M — 1-0 — Leningrad RUS

8.g4 — 24.8% (91 parties)

1953 — Kotov, Alexander vs Najdorf, Miguel — 1/2-1/2 — Zurich SUI
1953 — Kotov Lundqvist, Alex vs Najdorf, Miguel — 1/2-1/2 — Zurich SUI
1954 — Kopylov, Igor vs Dommes, Vladimir M — 1-0 — Leningrad RUS
1954 — Petrosian, Tigran V. vs Belkadi, Ridha — 1-0 — Paris FRA
1954 — Phillips Andrea vs Hooper, David — 1/2-1/2 — Nottingham ch-BCF

8.Bd3 — 19.1% (70 parties)

1953 — Spassky, Boris Vasily vs Gluschtschenok — 1-0 — Leningrad RUS
1953 — Kotov, Alexander vs Gligorić, Svetozar — 1/2-1/2 — Zurich SUI
1954 — Berger, Bela vs Gereben, Erno — 0-1 — Budapest HUN
1954 — Kasparian, Genrikh vs Gurgenidze, Bukhuti — 0-1 — Erevan ARM
1954 — Citores Orlov, Serafim vs Shcherbakov, Vitaly — 0-1 — Riga LAT

8.dxc6 — 4.1% (15 parties)

1955 — Nei, Iivo vs Boleslavsky, Isaac — 0-1 — Ch URS (1/2 final)
1965 — Koshel, G vs Klompus, Grigory Yakovlevich — 0-1 — USSR corr
1980 — Zatulovskaya, Tatiana vs Szmacinska, Grazyna — 1-0 — Bydgoszcz POL
1981 — Macek, Vlasta vs Rakic-Serianc, Brigita — 1-0 — Arandjelovac
1990 — Jagstaidt, Patrick vs Zindel, Ernst — 0-1 — op

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