E21d — Nimzo-Indian: Three Knights, 4…O-O

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 O-O * ○ 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 les cases fortes b5, e5 et g5 et la paire de fous.

Côté adverse. Le fou enfermé en c8.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les fous c1 et f1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; e4 (Centre d4+e4, menace e5, libère Bf1) ; Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur un fou actif en b4 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et f1 et le roi resté au centre.

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

Plans. ...d6 (Libérer Bc8) ; ...Nc6 (Développer Nb8) ; ...Bg4 (Clouer Nf3) ; ...c5 (Rupture) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● e5 (2v0), ● g5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v0)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 0)
Bb4		● Bb4 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Clouages	● knight c3	—
Non développées	4 (c1, 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	semi-ouvert
Ruptures	● c4-c5, ● d4-d5, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1925 Baden-Baden – Round 18 – Rabinovich, Ilya Mar – 1/2-1/2 – Saemisch, Friedrich – G153 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 c5 7. Qb3 Nc6 8. dxc5 g5 9. Bg3 Ne4 10. O-O-O Bxc3
1936 Moscow – Round 1 – Levenfish, Grigory – 1/2-1/2 – Riumin, Nikolai – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Qc2 cxd4 7. Nxd4 Be7 8. e4 Nc6 9. Nf3 Qa5 10. Bd2 Qh5
1936 Podebrady – Round ? – Zinner, Emil – 1-0 – Frydman, Paulino – G90 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bxf6 Qxf6 7. Qc2 d6 8. O-O-O d5 9. e3 dxc4 10. Bxc4 Nd7
1937 Berlin BSG – Round 5 – Saemisch, Friedrich – 1-0 – Rogmann, Gustav – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 d5 6. e3 h6 7. Bh4 b6 8. Rc1 Bb7 9. cxd5 Bxd5 10. a3 Be7
1937 Stockholm ol – Round 5 – Zinner, Emil – 1-0 – Stoltz, Gosta – G27 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bxf6 Qxf6 7. Qc2 Nc6 8. O-O-O Bxc3 9. Qxc3 d6 10. e3 e5
1937 Teplitz-Schoenau – Round 4 – Saemisch, Friedrich – 0-1 – Gilg, Karl – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 h6 7. Bxf6 Qxf6 8. dxc5 Bxc5 9. g3 Nc6 10. Bg2 Qe7
1938 URS Ch, semi final – Round 1 – Botvinnik, Mikhail – 1-0 – Chekhover, Vitaly – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 d6 6. e3 Qe7 7. Be2 e5 8. Qc2 Re8 9. O-O Bxc3 10. bxc3 h6
1940 Bad Elster – Round 1 – Saemisch, Friedrich – 0-1 – Roedl, Ludwig – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 h6 7. Bxf6 Qxf6 8. dxc5 Nc6 9. a3 Bxc5 10. e3 Qd8
1946 Mar del Plata – Round 1 – Najdorf, Miguel – 1-0 – Bolbochan, J. – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 d6 6. e3 Nbd7 7. Be2 Bxc3+ 8. bxc3 Re8 9. Nd2 e5 10. O-O h6
1948 Buenos Aires – Round 1 – Stahlberg, Gideon – 1-0 – Rossetto, Hector – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Qb3 c5 6. dxc5 Na6 7. Bd2 Bxc5 8. g3 b6 9. Bg2 Bb7 10. O-O d5
1948 Mar del Plata – Round 1 – Stahlberg, Gideon – 1-0 – De Freitas, Manuela Schmitz – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Qb3 Qe7 6. Bg5 h6 7. Bh4 Nc6 8. e3 a5 9. a3 Bxc3+ 10. Qxc3 d6
1948 Mar del Plata ARG – Round ? – Stahlberg, Gideon – 1-0 – De Freitas, Marcio Elisio – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Qb3 Qe7 6. Bg5 h6 7. Bh4 Nc6 8. e3 a5 9. a3 Bxc3+ 10. Qxc3 d6
1950 Bled – Round 13 – Najdorf, Miguel – 1-0 – Pirc, Vasja – G61 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Qb3 c5 6. Bg5 h6 7. Bh4 d5 8. e3 Nc6 9. dxc5 g5 10. Bg3 Ne4
1950 Dubrovnik olm – Round 3 – Enevoldsen, Harald – 1-0 – Mueller, Hans – G36 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 d6 7. Qc2 Nbd7 8. a3 Bxc3+ 9. Qxc3 Qe8 10. O-O-O b6
1950 Dubrovnik YUG – Round 10 – Van Scheltinga, Theo – 0-1 – Pirc, Vasja – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Qb3 c5 6. Bg5 Nc6 7. dxc5 Bxc5 8. e3 Be7 9. Be2 b6 10. O-O Bb7
1951 USA-op52 – Round 2 – Sharp, C. – 0-1 – Kashdan, Isaac – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Qc2 Nc6 7. e3 h6 8. Bh4 d5 9. dxc5 g5 10. Bg3 Ne4
1952 Chester ch-BCF – Round 4 – Wade, Robert G – 1-0 – Russ, VJ. – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. g3 Bxc3+ 6. bxc3 d6 7. Bg2 Nc6 8. O-O Rb8 9. Qd3 e5 10. Nd2 Bd7
1952 Helsinki olm – Round 1 – Enevoldsen, Harald – 0-1 – Rossetto, Hector Decio – G49 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 d5 7. a3 Bxc3+ 8. bxc3 c5 9. e3 Qa5 10. Bxf6 Qxc3+
1952 Mar del Plata – Round 5 – Rossetto, Hector – 1-0 – German, Eugenio – G37 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Qb3 c5 6. e3 d5 7. dxc5 Nc6 8. Bd2 Bxc5 9. cxd5 exd5 10. Be2 a6
1954 Leningrad RUS – Round ? – Borisenko, Georgy K – 1/2-1/2 – Tolush, Alexander – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 c5 7. e3 cxd4 8. Nxd4 Qa5 9. Bd3 Nc6 10. O-O Bxc3
1955 Moscow Ch – Round 7 – Simagin, Vladimir – 0-1 – Khasin, Abram – G45 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 c5 7. Qc2 cxd4 8. Nxd4 Nc6 9. Nxc6 bxc6 10. e3 d5
1955 Prague tm – Round 3 – Alster, Ladislav – 1/2-1/2 – Cucka, Josef – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Qb3 Nc6 6. Bg5 h6 7. Bh4 a5 8. a3 a4 9. Qc2 Bxc3+ 10. Qxc3 d6
1956 Olympiad, Moscow RUS – Round 1 – Ehnevoldsen I – 1/2-1/2 – Karaklajic, Nikola – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Qb3 c5 6. e3 b6 7. Bd2 d6 8. Be2 Nc6 9. a3 Bxc3 10. Bxc3 Ne4
1957 Sao Paulo – Round 3 – Zacharias Guardia, Jose Bismarck – 0-1 – Rossetto, Hector – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 c5 7. e3 Qa5 8. Qb3 Ne4 9. Rc1 cxd4 10. exd4 Nc6
1959 Stevenson Memorial – Round 5 – Karaklajic, Nikola – 1-0 – Hindle, Owen M – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 d5 6. cxd5 Bxc3+ 7. bxc3 exd5 8. e3 h6 9. Bh4 Nbd7 10. Bd3 c5
1960 Leipzig olm fin-A – Round 8 – Byrne, Robert E – 1/2-1/2 – Wexler, Bernardo – G140 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 c5 7. Rc1 cxd4 8. Nxd4 d5 9. cxd5 exd5 10. e3 Nc6
1960 Ljubljana – Round 1 – Gligorić, Svetozar – 1/2-1/2 – Sofrevski, Jovan – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 c5 7. d5 b5 8. Rc1 Bb7 9. e3 d6 10. dxe6 fxe6
1961 Moskou – Round 1 – Simagin, Vladimir – 1/2-1/2 – Petrosian, Tigran A. – G33 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. d5 d6 7. e3 Qe7 8. dxe6 Bxe6 9. Be2 h6 10. Bh4 Nbd7
1961 URS Ch sf Batumi GEO – Round ? – Nei, Iivo – 0-1 – Roizman, Abram Y – G8 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. d4 O-O 5. Bg5 c5 6. d5 exd5 7. cxd5 d6 8. g3 h6 9. Bd2 Bg4 10. Bg2 Nbd7
1961 Vrnjacka Banja ct women – Round 11 – Borisenko-Belova, Valentina – 1-0 – Lazarevic, Milunka – G56 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 Bxc3+ 6. bxc3 d6 7. e3 Nbd7 8. Bd3 Re8 9. Nd2 h6 10. Bh4 e5
1962 Candidats Tournament – Round 10 – Filip, Marius Liviu – 1/2-1/2 – Fischer, Raphael – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Qb3 c5 6. dxc5 Na6 7. Bd2 Qe7 8. e3 Nxc5 9. Qc2 b6 10. Be2 Bb7
1962 New York ch-USA – Round 3 – Byrne, Ray – 1/2-1/2 – Evans Lianda – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 h6 7. Bh4 g5 8. Bg3 Ne4 9. e3 f5 10. Bd3 cxd4
1962 Varna olm – Round 9 – Barden, Leonard – 1-0 – O'Hare, E. – G390 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. d5 d6 7. Rc1 exd5 8. cxd5 Nbd7 9. a3 Ba5 10. Nd2 Nb6
1963 Hoogovens – Round 5 – Stahlberg, Gideon – 1/2-1/2 – O'Kelly, Albéric de Galway – G46 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 O-O 5. Qb3 c5 6. Bg5 d5 7. dxc5 Nc6 8. e3 dxc4 9. Bxc4 Qa5 10. Bxf6 gxf6
1963 New York ch-USA – Round 4 – Byrne, Ray – 1/2-1/2 – Reshevsky, Samuel – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 d6 7. e3 Nbd7 8. Bd3 e5 9. dxe5 dxe5 10. Nd2 h6
1963 Spartak CC – Round ? – Zaitsev, Alexander – 1-0 – Cherepkov, Alexander V – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 c5 7. e3 cxd4 8. exd4 Qa5 9. Bd3 Bxc3+ 10. bxc3 Qxc3+
1964 Buenos Aires – Round 12 – Byrne, Robert E – 1/2-1/2 – Eliskases, Erich – G104 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 cxd4 7. Nxd4 Nc6 8. e3 Be7 9. Be2 Qa5 10. Bh4 Nxd4
1965 Asztalos Memorial 8th – Round 2 – Borisenko, Georgy K – 1-0 – Lengyel, Levente – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 Qa5 7. Bxf6 Bxc3+ 8. bxc3 Qxc3+ 9. Nd2 gxf6 10. Rc1 Qa3
1965 HUN-ch21 – Round 1 – Kluger, Gyula – 1-0 – Varnusz, Egon – G24 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 h6 7. Bh4 cxd4 8. Nxd4 Qa5 9. Bd3 Bxc3+ 10. bxc3 Nc6
1966 ARMIES-ch3 Prague CZE – Round 11 – Liptay, Laszlo Dr. – 1-0 – Sanchez, Miguel – G19 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 d5 6. e3 Nbd7 7. cxd5 exd5 8. Bd3 c6 9. Qc2 h6 10. Bh4 Re8
1966 Asztalos Memorial 9th – Round 6 – Navarovszky, Laszlo – 1/2-1/2 – Flesch, Janos – G29 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 c5 7. e3 cxd4 8. Nxd4 Nc6 9. Rc1 Be7 10. Be2 Nxd4
1966 CSR Ch Int 1st – Round 16 – Pachman, Ludek – 1-0 – Novak, Ervin – G93 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 c5 7. e3 d6 8. Bd3 Nbd7 9. O-O Bxc3 10. bxc3 b6
1966 La Habana olm prel – Round 2 – Littlewood, Norman – 1/2-1/2 – Cassidy, Paul L. – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Qb3 c5 6. Bg5 Bxc3+ 7. Qxc3 Ne4 8. Bxd8 Nxc3 9. Be7 Re8 10. Bxc5 Ne4
1967 Sousse Interzonal – Round 10 – Korchnoi, Viktor – 1-0 – Larsen, Benjamin Holsko – G88 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. d5 b5 7. e3 Bb7 8. d6 Qa5 9. Bxf6 gxf6 10. Nd2 Bxc3
1967 URS Team Ch – Round 1 – Borisenko, Georgy K – 1-0 – Kudriashov, Anatoli – G43 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 b6 7. e3 Bb7 8. Bd3 c5 9. a3 Bxc3+ 10. bxc3 d6
1967 Vrnjacka Banja zt – Round 9 – Pachman, Ludek – 1/2-1/2 – Zuidema, Coen – G58 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 c5 7. e3 cxd4 8. exd4 Be7 9. Bd3 b6 10. O-O Bb7
1968 CSR Ch – Round 12 – Dolezal, Jiri – 1/2-1/2 – Blatny, Frantisek – G105 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 c5 7. d5 b5 8. e3 Bb7 9. d6 Qa5 10. Bxf6 gxf6
1968 It Lublin POL – Round 10 – Jamroz, Zbigniew – 1-0 – Filipowicz, Andrzej – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 d5 7. e3 Nbd7 8. Rc1 c6 9. Bd3 Bd6 10. O-O dxc4
1968 Lugano olm - Round 1 - Szabo, Ladislav - 0-1 - Korchnoi, Viktor - G91 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 cxd4 7. Nxd4 Nc6 8. e3 a6 9. Be2 Be7 10. O-O d6
1968 Moscow UM – Round 1 – Razuvaev, Yuri S – 1-0 – Khasin, Abram – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 h6 7. Bh4 cxd4 8. Nxd4 b6 9. e3 Bb7 10. Nb5 Na6
1968 Prague U26 – Round 14 – Zajic, Jiri – 1/2-1/2 – Kraus, Jiri – G57 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 O-O 5. Bg5 c5 6. e3 Qa5 7. Bxf6 Bxc3+ 8. bxc3 Qxc3+ 9. Nd2 gxf6 10. Qg4+ Kh8
1973 Leningrad Interzonal – Round 17 – Taimanov, Mark – 1-0 – Estevez Garcia, Gonzalo – G45 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 Qa5 7. Bxf6 Bxc3+ 8. bxc3 Qxc3+ 9. Nd2 gxf6 10. Rc1 Qa5
2. Norway Chess 2014 – Round 6.4 – Topalov, Veselin – 1-0 – Kramnik, Vladimir – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 h6 7. Bh4 cxd4 8. Nxd4 d5 9. Bxf6 Qxf6 10. cxd5 Rd8
41. Olympiad Open 2014 – Round 6.9 – Le, Quang Liem – 1/2-1/2 – Leko, Peter – G460 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. d5 exd5 7. cxd5 d6 8. e3 Nbd7 9. Bd3 h6 10. Bh4 Qa5
41. Olympiad Open 2014 – Round 7.14 – Sadler, Matthew D – 1/2-1/2 – Hambleton, Aman – G479 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 b6 7. Rc1 Bb7 8. e3 Be7 9. Bd3 c5 10. O-O d6
42. Olympiad 2016 – Round 6.31 – Zhao, Zong-Yuan – 1/2-1/2 – Leitao, Rafael – G442 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 c5 7. Rc1 cxd4 8. Nxd4 b6 9. Nb5 Nc6 10. e3 Bb7
43. Olympiad 2018 – Round 6.6 – Harikrishna, Pentala – 1/2-1/2 – Kramnik, Vladimir – G414 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 h6 7. Bh4 cxd4 8. Nxd4 d5 9. cxd5 g5 10. Bg3 Qxd5
7. Norway Armageddon 2019 – Round 5.5 – Mamedyarov, Shakhriyar – 0-1 – Grischuk, Alexander – G18 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 cxd4 7. Nxd4 h6 8. Bh4 d5 9. e3 e5 10. Nf3 d4
7. Sinquefield Cup 2019 – Round 8.2 – Carlsen, Magnus – 1/2-1/2 – Ding, Liren – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 h6 7. Bh4 cxd4 8. Nxd4 d5 9. cxd5 g5 10. Bg3 Qxd5
85. Tata Steel Masters 2023 – Round 9.3 – Maghsoodloo, Parham – 1/2-1/2 – So, Wesley – G59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. g3 Qa5 8. Bg2 cxd4 9. Qxd4 Nc6 10. Qd3 b6
FIDE Grand Prix 3 playoff 2022 – Round 1.2 – Tabatabaei Bafghi, Mohammad – 1-0 – So, Wesley – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. g3 b6 8. Bg2 Bb7 9. d5 d6 10. O-O Qe7
FIDE Grand Swiss 2025 – Round 2 – Lagarde Maxime – 1/2-1/2 – Bluebaum Matthias – G90 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. Be2 Nf6 7. O-O Be7 8. d4 dxe4 9. Qe3 O-O 10. Nxe4 Nxe4
FIDE World Cup 2015 – Round 1.6 – Lupulescu, Constantin – 0-1 – Lysyj, Igor – G186 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 cxd4 7. exd4 d5 8. Rc1 Nc6 9. a3 Bxc3+ 10. Rxc3 Re8
FIDE World Cup 2019 – Round 6.3 – Yu, Yangyi – 1/2-1/2 – Ding, Liren – G416 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Qb3 h6 7. Bh4 Nc6 8. d5 Na5 9. Qc2 Nxc4 10. O-O-O Bxc3
FIDE-Wch k.o. 1999 – Round 2.2 – Zvjaginsev, Vadim – 1/2-1/2 – Andersson, Ulf 1949 – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 d6 6. e3 h6 7. Bh4 Qe7 8. Nd2 Nbd7 9. Bd3 c6 10. O-O e5
GCT Blitz Paris 2017 – Round 16.1 – Mamedyarov, Shakhriyar – 1-0 – Nakamura, Hikaru – G76 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 cxd4 7. exd4 d5 8. cxd5 exd5 9. Be2 h6 10. Bxf6 Qxf6
GCT Blitz YourNextMove 2016 – Round 16.5 – Aronian, Levon – 1/2-1/2 – Nakamura, Hikaru – G80 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 cxd4 7. Nxd4 Nc6 8. e3 h6 9. Bh4 Be7 10. Be2 d5
GCT Blitz YourNextMove 2016 – Round 18.4 – Carlsen, Magnus – 1/2-1/2 – Nakamura, Hikaru – G89 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 cxd4 7. exd4 d5 8. Rc1 h6 9. Bh4 Nc6 10. a3 Be7
GCT Blitz YourNextMove 2016 – Round 4.3 – Aronian, Levon – 1-0 – Caruana, Fabiano – G18 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 c5 7. Rc1 cxd4 8. Nxd4 Nc6 9. e3 b6 10. Nb5 a6
GCT Rapid Paris 2016 – Round 5.1 – Carlsen, Magnus – 1/2-1/2 – Nakamura, Hikaru – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 cxd4 7. exd4 d5 8. Rc1 Be7 9. a3 b6 10. Bxf6 Bxf6
GCT Rapid Paris 2017 – Round 2.1 – Mamedyarov, Shakhriyar – 0-1 – Carlsen, Magnus – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 cxd4 7. exd4 d5 8. cxd5 exd5 9. Be2 h6 10. Bxf6 Qxf6
GCT Rapid YourNextMove 2016 – Round 8.3 – Aronian, Levon – 1-0 – Nakamura, Hikaru – G38 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 d5 6. cxd5 exd5 7. e3 c5 8. dxc5 Nbd7 9. Rc1 Qa5 10. a3 Bxc3+
GCT Rapid YourNextMove 2018 – Round 3.1 – Vachier-Lagrave, Maxime – 1/2-1/2 – So, Wesley – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 cxd4 7. exd4 h6 8. Bh4 d5 9. Be2 dxc4 10. O-O Nc6
Olympiad 2002 – Round 11 – Gelfand, Boris – 1/2-1/2 – Rozentalis, Eduardas – G365 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 d5 6. e3 c6 7. Qb3 Be7 8. Bd3 dxc4 9. Bxc4 b5 10. Be2 Nbd7
Qatar Masters Open 2015 – Round 6.32 – Ipatov, Alexander – 1-0 – Ma, Zhonghan – G218 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 c5 7. Rc1 cxd4 8. Nxd4 Nc6 9. e3 b6 10. Be2 Bb7
Qatar Masters Open 2015 – Round 9.26 – Ipatov, Alexander – 1-0 – Saduakassova, Dinara – G304 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 c5 7. Rc1 cxd4 8. Nxd4 d5 9. cxd5 Qxd5 10. Bxf6 gxf6
Region Blitz Moscow 2018 – Round 7.1 – Mamedyarov, Shakhriyar – 1-0 – Nakamura, Hikaru – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 h6 7. Bxf6 Qxf6 8. Rc1 cxd4 9. exd4 d5 10. cxd5 exd5
Saint Louis Blitz 2021 – Round 6.5 – Mamedyarov, Shakhriyar – 1/2-1/2 – Le, Quang Liem – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 cxd4 7. Nxd4 h6 8. Bh4 Be7 9. e3 Nc6 10. Be2 Qb6
Saint Louis Rapid 2023 – Round 6.4 – Xiong, Jeffery – 1/2-1/2 – Nepomniachtchi, Ian – G29 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 d5 7. e3 c5 8. cxd5 exd5 9. dxc5 g5 10. Bg3 Ne4
Superbet Classic 2023 – Round 1.2 – Caruana, Fabiano – 1/2-1/2 – Deac, Bogdan-Daniel – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 cxd4 7. Nxd4 h6 8. Bh4 d5 9. cxd5 Bxc3+ 10. Rxc3 g5
Tata Steel Chess 2025 – Round 9 – Sarana Alexey – 1/2-1/2 – Keymer Vincent – G51 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 cxd4 7. Qxd4 Nc6 8. Qd3 Qa5 9. Bxf6 gxf6 10. Be2 Bxc3+
Tata Steel India Blitz 2022 – Round 4.3 – Maghsoodloo, Parham – 1-0 – So, Wesley – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Qc2 d5 8. e3 Nc6 9. a4 Re8 10. Be2 Na5
Tata Steel Masters 2024 - Round 12 - Gukesh, D - 1/2-1/2 - Praggnanandhaa, R 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. d5 exd5 7. cxd5 d6 8. e3 h6 9. Bh4 Bf5 10. Bd3 Bxd3
World Blitz 2006 – Round 9 – Bacrot, Etienne – 0-1 – Anand, Viswanathan – G55 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 h6 6. Bh4 d5 7. e3 Nbd7 8. cxd5 exd5 9. Bd3 c5 10. O-O Bxc3
World Blitz 2015 – Round 16.35 – Moiseenko, Alexander – 0-1 – Riazantsev, Alexander – G1000 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 cxd4 7. Nxd4 h6 8. Bh4 d5 9. e3 dxc4 10. Bxc4 e5
World Blitz 2016 – Round 10.22 – Aditya Tari – 0-1 – Wei, Yi – G395 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. e3 cxd4 7. exd4 d5 8. cxd5 exd5 9. Be2 h6 10. Bh4 g5
World Blitz 2022 – Round 11.10 – Moiseenko, Alexander – 0-1 – Nepomniachtchi, Ian – G560 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 c5 6. Rc1 cxd4 7. Nxd4 h6 8. Bh4 d5 9. cxd5 e5 10. Bxf6 Qxf6
World Blitz 2022 – Round 14.29 – Maghsoodloo, Parham – 1-0 – Durarbayli, Vasif – G742 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. a3 Bxc3+ 6. bxc3 d6 7. Bg5 Nbd7 8. Nd2 c5 9. Bh4 Qa5 10. Qc2 cxd4
World Championship 32th-KK2 1985 – Round 7 – Kasparov, Garry – 1/2-1/2 – Karpov, Anatoly – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. Bg5 d6 6. e3 Nbd7 7. Qc2 b6 8. Bd3 Bxc3+ 9. bxc3 h6 10. Bh4 Bb7

E21d — Three Knights

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Nf3 O-O

Eval: [+0.07]

Les coups candidats

5.Bg5 — 52.4% (1913 parties)

Ambassadeurs : Chatalbashev, Boris (13x), Voege, Tobias (9x), Batsiashvili, Nino (9x), Borisenko, Georgy K (8x), Kazhgaleyev, Murtas (8x), Edouard, Romain (8x), Cruz, William Ferreira Da (7x), Nechaeva, Marina (7x)

5.e3 — 20.8% (760 parties) →

Ambassadeurs : Kolanek, Roman (10x), Habes, Jiri (9x), Vo, Thi Kim Phung (6x), Li, Yunshan (5x), Gligorić, Svetozar (4x), Ilett, Raymond J (4x), Primrose, J.. (4x), Letelier Martner, Rene (3x)

5.Qc2 — 9.4% (342 parties) →

Ambassadeurs : Ding, Liren (6x), Mamedyarov, Shakhriyar (6x), Yu, Yangyi (3x), Alarvo, Eero (2x), Vetter, Udo (2x), Hasinski, Krystian (2x), Debashis, Das (2x), Batsiashvili, Nino (2x)

5.g3 — 8.3% (304 parties)

Ambassadeurs : Anton, Teodor (6x), Steponavicius, Stasys (4x), Roussel-Roozmon, Thomas (3x), Hamilton, Douglas G (3x), Akshat, Khamparia (3x), Hartleb, Glenn E (2x), Morovic Fernandez, Ivan (2x), Knezevic, Milorad (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.Bg5	5.e3	5.Qc2	5.g3
<1800	164	40%	21%	11%	5%
1800-2200	1131	43%	26%	11%	10%
2200-2600	1440	63%	17%	7%	10%
2600+	148	66%	8%	16%	1%

Évolution par décennie (% des parties)

Décennie	N parties	5.Bg5	5.e3	5.Qc2	5.g3
1920s	6	33%	33%	—	33%
1930s	11	73%	—	9%	—
1940s	22	36%	23%	14%	5%
1950s	43	33%	37%	7%	9%
1960s	79	46%	42%	4%	1%
1970s	34	65%	24%	—	—
1980s	146	70%	10%	5%	11%
1990s	402	49%	18%	10%	12%
2000s	851	54%	17%	9%	10%
2010s	1464	52%	22%	10%	8%
2020s	593	50%	24%	10%	6%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.Bg5	52%	50%	▼ -2.3%
5.e3	22%	24%	▲ +1.8%
5.Qc2	10%	10%	+0.3%
5.g3	8%	6%	▼ -1.8%

Joueurs célèbres

Champions du monde dans cette position

Ding, Liren — 10 parties
Carlsen, Magnus — 8 parties
Kramnik, Vladimir — 3 parties
Kasparov, Garry — 2 parties
Karpov, Anatoly — 2 parties
Anand, Viswanathan — 2 parties
Ju, Wenjun — 2 parties
Gukesh D — 2 parties
Botvinnik, Mikhail — 1 partie
Lasker, Emanuel — 1 partie
Tal, Mikhail — 1 partie
Smyslov, Vladimir — 1 partie
Karpov, Aleksandr — 1 partie
Hou, Yifan — 1 partie

Parties historiques

5.Bg5 — 52.4% (1913 parties)

1923 — Harwich, SY. vs Lasker, Emanuel — 1/2-1/2 — Helsingborg SWE
1925 — Rabinovich, Ilya Mar vs Saemisch, Friedrich — 1/2-1/2 — Baden-Baden GER
1936 — Levenfish, Grigory vs Riumin, Nikolai — 1/2-1/2 — Moscow RUS
1936 — Zinner, Emil vs Frydman, Paulino — 1-0 — Podebrady CZE
1936 — Loukascheff, I. vs Poulsen, Carl — 0-1 — Glostrup

5.e3 — 20.8% (760 parties)

1920 — Reshevsky, Samuel vs Saemisch, Friedrich — 0-1 — Berlin GER
1929 — Winter, William vs Yates, Fred Dewhirst — 0-1 — London, The Gambit
1945 — Tolush, Alexander V vs Mikenas, Vladas — 1-0 — Tallinn EST
1945 — Tolush, Alexander V vs Mikenas, Vladas — 1-0 — Tallinn EST
1946 — Levenfish, Grigory vs Kottnauer, Cenek — 0-1 — Leningrad RUS

5.Qc2 — 9.4% (342 parties)

1934 — Sullivan, Charlotte vs Insall, MA. — 0-1 — Bristol Club ch
1942 — Graf, Sascha vs Canepa, Jose — 0-1 — Mar del Plata ARG
1949 — O'Kelly, Albéric de Galway vs Szabo, Laszlo — 1/2-1/2 — Trencianske Teplice SVK
1949 — O'Kelly de Galway, Alberic vs Szabo, Ladislav — 1/2-1/2 — Trencianske Teplice SVK
1950 — Gusev, Aleksandr vs Blagidze — 1-0 — Moscow RUS

5.g3 — 8.3% (304 parties)

1920 — Rubinstein, Akiba vs Bogoljubow, Efim — 1-0 — Stockholm / Goteburg m
1929 — Olsson, Kaj vs Stoltz, Gosta — 0-1 — Stockholm SWE
1942 — Poulsen, Christian vs Christensen, Alfred — 1-0 — Norresundby
1952 — Wade, Robert G vs Russ, VJ. — 1-0 — Chester ch-BCF
1956 — Hartleb, Glenn E vs Nowak, John — 1/2-1/2 — Oklahoma City, OK USA

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