A17f — English: Nimzo-English

1.c4 Nf6 2.Nc3 e6 3.Nf3 Bb4 * ○ 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 b5 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 (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) ; d3 (Libérer Bc1) ; 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. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, le fou c8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d6 (Libérer Bc8) ; ...Nc6 (Développer Nb8) ; ...Bg4 (Clouer Nf3) ; ...c5 (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)	—
Cases faibles	—	—
Centre	● d4 (1v0), ● e5 (1v0)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 0)
Bb4		● Bb4 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (c1, f1, a1, h1)	4 (b8, 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, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1941 Munchen – Round 5 – Lundin, Erik – 1-0 – Opocensky, Karel – G47 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Qe7 5. g3 d5 6. Bg2 O-O 7. O-O c5 8. d4 cxd4 9. Nxd4 e5 10. Nc2 Bxc3
1951 Hungary Ch – Round 1 – Hajtun, Jozsef – 1-0 – Füster, Géza – G3 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. e3 b6 5. Qc2 Bb7 6. Be2 O-O 7. a3 Be7 8. O-O c5 9. d4 cxd4 10. Nxd4 Nc6
1954 Anderson-Fuster m – Round 1 – Fuster, Geza – 1/2-1/2 – Anderson, Frank Ross – G1 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 Nc6 5. a3 Bxc3 6. Qxc3 d6 7. d4 O-O 8. Bg5 h6 9. d5 hxg5 10. dxc6 Ne4
1954 FRG Ch qual West – Round 1 – Werner, Stephan – 1-0 – Wieckowiak, Hans – G3 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3 5. bxc3 b6 6. d3 Bb7 7. e4 d6 8. Be2 Nbd7 9. O-O O-O 10. Ne1 Ne8
1958 HUN Ch 13th – Round 1 – Kluger, Gyula – 1/2-1/2 – Portisch, Lajos – G2 1. c4 Nf6 2. Nf3 e6 3. Nc3 Bb4 4. e3 O-O 5. Be2 Re8 6. Qb3 Nc6 7. O-O e5 8. Nd5 Bf8 9. d3 d6 10. Bd2 Nd7
1958 Munich olm prel – Round 7 – Pachman, Ludek – 1/2-1/2 – Andersen, Borge – G61 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qb3 Nc6 5. a3 Bxc3 6. Qxc3 a5 7. d4 d6 8. Bg5 h6 9. Bh4 g5 10. d5 Nb8
1959 Kragujevac ch14-YUG – Round 1 – Sofrevski, Jovan – 1/2-1/2 – Trifunovic, Petar – G17 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qb3 c5 5. a3 Ba5 6. e3 Nc6 7. Be2 d5 8. O-O d4 9. Na4 dxe3 10. Qxe3 Nd4
1960 Leningrad ch-URS – Round 11 – Kortchnoi, V. – 1/2-1/2 – Bronstein, Daniel E – G99 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. e3 c5 5. Be2 O-O 6. O-O Bxc3 7. dxc3 b6 8. Bd3 Bb7 9. Qe2 Be4 10. Rd1 Nc6
1960 Leningrad ch-URS – Round 15 – Nei, Iivo – 1/2-1/2 – Taimanov, Mark E – G135 1. c4 e6 2. Nc3 Bb4 3. Nf3 Nf6 4. e3 O-O 5. Be2 b6 6. O-O Bb7 7. Qc2 d5 8. b3 Nc6 9. Bb2 a6 10. d3 Re8
1960 Stockholm SWE – Round 1 – Stahlberg, Gideon – 1/2-1/2 – Lundin, Erik – G3 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qb3 Nc6 5. a3 Bxc3 6. Qxc3 a5 7. d3 d6 8. g3 e5 9. Bg2 O-O 10. O-O Bg4
1960 Varna Varna BUL – Round 3 – Neikirkh, Oleg – 1/2-1/2 – Krogius, Nikolai V – G11 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qb3 Nc6 5. a3 Be7 6. e4 e5 7. d3 O-O 8. h3 d6 9. Be3 Nd7 10. g4 Nc5
1961 IBM – Round 9 – Armoon Tan, Hooman – 1-0 – Langeweg, Kick – G42 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qb3 Nc6 5. a3 Bxc3 6. Qxc3 a5 7. b3 d6 8. d4 Qe7 9. Bb2 O-O 10. e3 Re8
1961 Moskou – Round 1 – Geller, Efim P – 1/2-1/2 – Borisenko, Georgy K – G8 1. c4 e6 2. Nc3 Bb4 3. Nf3 Nf6 4. a3 Bxc3 5. bxc3 d6 6. g3 b6 7. Bg2 Bb7 8. O-O Nbd7 9. d3 O-O 10. e4 Nc5
1961 Oberhausen etc – Round 9 – Korchnoi, Viktor – 1-0 – Bilek, Istvan – G219 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. a3 Bxc3 5. bxc3 d6 6. g3 b6 7. Bg2 Bb7 8. O-O Nbd7 9. d3 O-O 10. e4 Ne8
1962 Capablanca Memorial – Round 4 – Pachman, Ludek – 0-1 – Haro Garcia, Gilberto – G32 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qb3 Nc6 5. a3 Be7 6. d4 Na5 7. Qa4 b6 8. e4 O-O 9. Bd3 Ba6 10. e5 Ne8
1962 Clare Benedict Cup – Round 4 – Bouwmeester, Hans – 1/2-1/2 – Decreton Keller, Henrique – G12 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qb3 Nc6 5. a3 Be7 6. e4 e5 7. d3 d6 8. Be2 O-O 9. Nd5 Nd7 10. Qc3 Nc5
1962 Mar del Plata – Round 13 – Polugaevsky, Lev – 1/2-1/2 – Sanguineti, Raúl Carlos – G108 1. c4 e6 2. Nc3 Nf6 3. Nf3 Bb4 4. a3 Bxc3 5. bxc3 O-O 6. g3 Nc6 7. Bg2 e5 8. O-O d6 9. d3 e4 10. Nd4 exd3
1962 Mar del Plata – Round 5 – Pachman, Ludek – 1/2-1/2 – Polugaevsky, Lev – G53 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. a3 Ba5 6. g3 O-O 7. Bg2 d5 8. O-O Nc6 9. d3 Bxc3 10. Qxc3 d4
1962 Varna olm – Round 11 – Sanguineti, Raúl Carlos – 1-0 – Kramer, Haije – G449 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. a3 Bxc3 5. bxc3 c5 6. g3 Nc6 7. Bg2 O-O 8. O-O d5 9. cxd5 exd5 10. d3 Re8
1962 Varna olm – Round 4 – Pachman, Ludek – 1/2-1/2 – Ivkov, Borislav – G117 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qb3 Nc6 5. a3 Be7 6. d4 d5 7. cxd5 exd5 8. Bg5 O-O 9. e3 Re8 10. Bd3 h6
1963 Asztalos Memorial – Round 1 – Brzozka, Stefan – 0-1 – Bilek, Istvan – G1 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qb3 Nc6 5. a3 Bxc3 6. Qxc3 d5 7. e3 O-O 8. b4 Ne4 9. Qc2 f5 10. Bb2 Bd7
1963 GDR Ch Aschersleben GER – Round 14 – Kahn, Manfred – 1-0 – Csulits, Anton – G71 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. a3 Bxc3 5. bxc3 d6 6. g3 O-O 7. Bg2 e5 8. O-O Nc6 9. d3 Re8 10. e4 b6
1963 Leningrad ch-URS – Round 1 – Kortchnoi, V. – 1/2-1/2 – Bronstein, Daniel E – G11 1. c4 e6 2. Nf3 Nf6 3. Nc3 Bb4 4. a3 Bxc3 5. bxc3 c5 6. g3 Nc6 7. d3 d5 8. cxd5 exd5 9. Bg2 O-O 10. O-O Re8
1963 New York ch-USA – Round 3 – Byrne, David – 1-0 – Weinstein, Raymond – G15 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. a3 Bxc3 5. bxc3 b6 6. g3 Bb7 7. Bg2 O-O 8. O-O d5 9. cxd5 exd5 10. Qc2 c5
1964 7. It Sarajevo BIH – Round 10 – Pachman, Ludek – 1/2-1/2 – Polugaevsky, Lev – G6 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. a3 Ba5 6. g3 Nc6 7. Bg2 Bc7 8. d3 b6 9. O-O Bb7 10. Qc2 O-O
1964 Tel Aviv olm – Round 1 – Lengyel, Laszlo – 1/2-1/2 – Johansson Rexner, Melker – G3 1. c4 e6 2. Nc3 Bb4 3. Nf3 Nf6 4. Qb3 Nc6 5. d4 a5 6. a3 a4 7. Qc2 Bxc3+ 8. Qxc3 O-O 9. Bg5 d6 10. e3 Re8
1964 Tel Aviv olm fin-A – Round 1 – Stepak, Yedael – 1/2-1/2 – Spassky, Boris Vasily – G2 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qb3 Nc6 5. a3 Be7 6. e3 O-O 7. d4 d5 8. Qc2 dxc4 9. Bxc4 Bd6 10. Bd3 e5
1965 Copenhagen – Round 1 – Blom, Kaj – 1/2-1/2 – Kolvig, Bent – G5 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. a3 Bxc3 5. bxc3 O-O 6. g3 c5 7. Bg2 Nc6 8. d3 d5 9. cxd5 exd5 10. O-O Re8
1965 Hamburg etc – Round 5 – Van Wijngaarden, Frank – 1/2-1/2 – Krogius, Nikolai V – G88 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qa4 Nc6 5. g3 O-O 6. Bg2 d5 7. a3 Be7 8. cxd5 exd5 9. d3 d4 10. Ne4 Nxe4
1965 Tallinn ch-URS – Round 1 – Korchnoi, Viktor – 1-0 – Sakharov, Yuri G. – G26 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. a3 Bxc3 5. bxc3 O-O 6. g3 b6 7. Bg2 Bb7 8. d3 d6 9. e4 Nbd7 10. O-O Nc5
1965 Tallinn ch-URS – Round 1 – Osnos, Viatcheslav – 1/2-1/2 – Sakharov, Yuri G. – G24 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qb3 c5 5. g3 Nc6 6. a3 Ba5 7. Bg2 O-O 8. O-O Rb8 9. d3 a6 10. Ne4 Nxe4
1965 Zagreb – Round 12 – Damjanovic, Marko – 1/2-1/2 – Petrosian, Tigran A. – G118 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. a3 Bxc3 5. bxc3 d6 6. g3 e5 7. Bg2 Qe7 8. a4 a5 9. O-O O-O 10. d3 e4
1965 Zagreb – Round 12 – Damjanovic, Mato – 1/2-1/2 – Petrosian, Tigran V – G117 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. a3 Bxc3 5. bxc3 d6 6. g3 e5 7. Bg2 Qe7 8. a4 a5 9. O-O O-O 10. d3 e4
1966 Hoogovens – Round 15 – Damjanovic, Marko – 1-0 – Van den Berg, Cees – G67 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. e3 O-O 5. a3 Bxc3 6. bxc3 b6 7. a4 a5 8. Be2 d6 9. d3 Nbd7 10. O-O Bb7
1966 Kislovodsk – Round 8 – Kholmov, Ratmir D – 1/2-1/2 – Nikitin, Aleksander S – G47 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3 5. bxc3 O-O 6. g3 b6 7. Bg2 Bb7 8. O-O c5 9. a4 Nc6 10. d3 Rc8
1966 Reykjavik – Round 6 – Book, Eero – 1/2-1/2 – Olafsson, Frimann Galdur – G28 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qb3 c5 5. a3 Ba5 6. e3 Nc6 7. Be2 d5 8. O-O Bc7 9. Qc2 O-O 10. d4 cxd4
1966 Sochi – Round 1 – Bobotsov, Milko G – 0-1 – Korchnoi, Viktor – G2 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. e3 O-O 5. Be2 d5 6. O-O b6 7. d4 Bb7 8. cxd5 exd5 9. Bd2 a6 10. Ne5 Bd6
1966 Sochi – Round 7 – Polugaevsky, L. – 1-0 – Kortchnoi, V. – G27 1. c4 e6 2. Nc3 Nf6 3. Nf3 Bb4 4. Qb3 c5 5. a3 Ba5 6. g3 Nc6 7. Bg2 d5 8. O-O Bxc3 9. Qxc3 d4 10. Qc2 a5
1966 Titovo Uzice – Round 1 – Pachman, Ludek – 1/2-1/2 – Parma, Bruno – G81 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. a3 Ba5 6. g3 O-O 7. Bg2 Nc6 8. O-O a6 9. d3 Rb8 10. Be3 d6
1967 DSV-Turnier – Round 2 – Sliwa, Bogdan – 0-1 – Csom, Istvan – G7 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. a3 Bxc3 5. bxc3 b6 6. d3 d6 7. g3 Bb7 8. Bg2 Nbd7 9. e4 a5 10. O-O h6
1967 FRG Ch 09th – Round 5 – Stern, Dieter – 0-1 – Mohrlok, Dieter – G6 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qb3 c5 5. e3 O-O 6. Be2 Nc6 7. d4 d5 8. cxd5 exd5 9. dxc5 Bxc5 10. O-O Bb6
1967 Groningen – Round 4 – Karpov, Aleksandr – 1-0 – Timman, Jan H – G5 1. c4 e6 2. Nc3 Nf6 3. Nf3 Bb4 4. Qb3 c5 5. a3 Ba5 6. e3 O-O 7. Be2 d5 8. O-O Nc6 9. Na4 Qe7 10. Qc2 Nd7
1968 IBM I – Round 2 – Kotov Lundqvist, Alex – 1/2-1/2 – Langeweg, Kick – G7 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. e3 O-O 5. Bd3 b6 6. a3 Bxc3 7. dxc3 d5 8. cxd5 exd5 9. O-O Ba6 10. Bxa6 Nxa6
1968 Kecskemet Kecskemet HUN – Round 1 – Hernandez Stein, Dario Eduardo – 1/2-1/2 – Dely, Peter – G1 1. c4 e6 2. Nf3 Nf6 3. Nc3 Bb4 4. a3 Bxc3 5. bxc3 d6 6. g3 e5 7. Bg2 O-O 8. O-O Re8 9. d3 e4 10. Ng5 exd3
1968 Lugano olm - Round 1 - Brostrom, Goran - 1/2-1/2 - Keene, Raymond D - G39 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qb3 c5 5. a3 Ba5 6. g3 O-O 7. Bg2 d5 8. O-O Bxc3 9. Qxc3 d4 10. Qc2 Nc6
1968 Skopje/Ohrid – Round 9 – Sofrevski, Jovan – 1/2-1/2 – Matanovic, Aleksandar – G77 1. Nf3 e6 2. c4 Nf6 3. Nc3 Bb4 4. Qb3 c5 5. a3 Ba5 6. g3 Nc6 7. Bg2 O-O 8. O-O a6 9. d3 Rb8 10. Rd1 b5
1968 Toth Memorial – Round 2 – Stein, Leonid – 1/2-1/2 – Dely, Peter – G11 1. c4 e6 2. Nf3 Nf6 3. Nc3 Bb4 4. a3 Bxc3 5. bxc3 d6 6. g3 e5 7. Bg2 O-O 8. O-O Re8 9. d3 e4 10. Ng5 exd3
1968 URS Team Ch – Round 1 – Glatman, Viktor – 0-1 – Bagirov, Vladimir – G8 1. c4 e6 2. Nf3 Nf6 3. Nc3 Bb4 4. a3 Bxc3 5. bxc3 d6 6. g3 e5 7. d3 e4 8. Nd4 Qe7 9. Bg2 exd3 10. Qxd3 O-O
1968 USSR – Round 1 – Karpenko, Nikolaj – 1-0 – Murey, Jacob – G9 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. a3 Bxc3 5. dxc3 b6 6. g3 Bb7 7. Bg2 Nc6 8. O-O Na5 9. c5 bxc5 10. Qa4 Nc6
Alekhine Memorial 1971 – Round 1 – Tal, Mikhail – 1-0 – Lengyel, Laszlo – G4 1. c4 e6 2. Nf3 Nf6 3. Nc3 Bb4 4. Qb3 c5 5. g3 Nc6 6. a3 Ba5 7. Bg2 a6 8. O-O O-O 9. d3 d6 10. Rb1 Rb8
Dortmund 1996 – Round 3 – Kramnik, Vladimir – 1-0 – Adams, Michael – G10 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. g3 Nc6 6. Bg2 O-O 7. O-O d6 8. d3 h6 9. e3 e5 10. Nd2 Bxc3
FIDE WCh KO 2001 – Round 3.1 – Zvjaginsev, Vadim – 1/2-1/2 – Adams, Michael – G261 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. g4 h6 5. Rg1 b6 6. Qb3 c5 7. a3 Bxc3 8. Qxc3 d5 9. cxd5 exd5 10. b4 d4
FIDE WCh KO 2001 – Round 3.3 – Zvjaginsev, Vadim – 0-1 – Adams, Michael – G280 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. g4 h6 5. Rg1 b6 6. Qc2 Bb7 7. a3 Be7 8. g5 hxg5 9. Nxg5 Bf8 10. d4 Nc6
FIDE-Wch k.o. 1997 – Round 2.1 – Krasenkow, Michal – 1-0 – Abad Garcia, Gonzalo – G73 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. g4 d5 5. g5 Ne4 6. Qa4+ Nc6 7. Nxe4 dxe4 8. Ne5 e3 9. fxe3 Qxg5 10. Nf3 Qe7
Fontys, Tilburg NED 1998 – Round 11 – Zvjaginsev, Vadim – 1-0 – Piket, Jeroen – G9 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. g4 d5 5. g5 Ne4 6. h4 Nc6 7. Qc2 f5 8. gxf6 Nxf6 9. a3 Bxc3 10. dxc3 Qe7
Hoogovens 1999 – Round 12 – Van Wely, Loek – 0-1 – Timman, Jan H – G73 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. g4 h6 5. Rg1 b6 6. h4 Bb7 7. g5 hxg5 8. hxg5 Ne4 9. Qc2 Nxc3 10. dxc3 Bd6
Manila Interzonal 1990 – Round 7 – Dzindzichashvili, Roman – 1/2-1/2 – Salov, Valery – G130 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. a3 Ba5 6. g3 O-O 7. Bg2 Nc6 8. O-O d6 9. d3 Qe7 10. Bd2 Rd8
PCA/Intel-GP 1995 – Round 1 – Speelman, Jon S – 1/2-1/2 – Korchnoi, Viktor – G13 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Be2 b6 6. O-O d5 7. a3 Bxc3 8. bxc3 Ba6 9. cxd5 Bxe2 10. Qxe2 exd5
Sparkassen Cat XXI 2001 – Round 1 – Topalov, Veselin – 0-1 – Kramnik, Vladimir – G3 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. g3 Nc6 6. a3 Ba5 7. Bg2 O-O 8. O-O d5 9. d3 h6 10. Bf4 Re8
World Blitz 2021 – Round 1.88 – Sadhwani, Raunak – 0-1 – Klimkowski, Jan – G66 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qb3 c5 5. a3 Ba5 6. g3 O-O 7. Bg2 Nc6 8. O-O d6 9. d3 h6 10. Qc2 e5
World Cup 1989 – Round ? – Illescas Cordoba, Miguel – 1-0 – Korchnoi, Viktor – G121 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. a3 Ba5 6. g3 O-O 7. Bg2 d5 8. O-O d4 9. Na4 Nbd7 10. Qc2 Rb8
XVI Ciudad de Linares 99 1999 – Round 2.7 – Anand, Viswanathan – 1-0 – Adams, Michael – G9 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. g3 Nc6 6. a3 Ba5 7. Bg2 O-O 8. O-O d6 9. e3 e5 10. d3 Rb8

A17f — Nimzo-English

1.c4 Nf6 2.Nc3 e6 3.Nf3 Bb4

Eval: [+0.26]

Les coups candidats

4.Qc2 — 60.7% (4352 parties) →

Ambassadeurs : Pogorelov, Ruslan (38x), Rozentalis, Eduardas (38x), Romanishin, Oleg M (36x), Uhlmann, Wolfgang (34x), Korchnoi, Viktor (26x), Kramnik, Vladimir (22x), Chuchelov, Vladimir (20x), Timman, Jan H (19x)

4.g3 — 17.4% (1247 parties) →

Ambassadeurs : Ftacnik, Lubomir (19x), Akesson, Ralf (16x), Mikhalchishin, Adrian (15x), Ruck, Robert (14x), Romanishin, Oleg M (13x), Korchnoi, Viktor (13x), Kramnik, Vladimir (12x), Rozentalis, Eduardas (11x)

4.Qb3 — 6.6% (475 parties)

Ambassadeurs : Pelletier, Yannick (8x), Pachman, Ludek (7x), Korchnoi, Viktor (6x), Kramnik, Vladimir (5x), Mrva, Martin (5x), Ivanov, Jordan (5x), Polugaevsky, Lev (4x), Bogdanovski, Vlatko (4x)

4.g4 — 5.8% (415 parties)

Ambassadeurs : Krasenkow, Michal (17x), Rozentalis, Eduardas (9x), Zvjaginsev, Vadim (7x), Muse, Drazen (7x), Eklund, Lars-Goran (6x), Popov, Valerij (6x), Savina, Anastasia (6x), Pogorelov, Ruslan (5x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4.Qc2	4.g3	4.Qb3	4.g4
<1800	90	44%	22%	3%	1%
1800-2200	1146	56%	17%	6%	5%
2200-2600	4697	65%	16%	7%	7%
2600+	382	59%	22%	6%	7%

Évolution par décennie (% des parties)

Décennie	N parties	4.Qc2	4.g3	4.Qb3	4.g4
1920s	3	67%	33%	—	—
1930s	3	—	67%	—	—
1940s	8	38%	50%	12%	—
1950s	29	31%	21%	14%	—
1960s	150	24%	26%	19%	—
1970s	287	72%	14%	6%	—
1980s	575	61%	27%	4%	—
1990s	1263	53%	27%	10%	2%
2000s	2198	63%	14%	7%	8%
2010s	2175	62%	14%	5%	8%
2020s	484	65%	11%	6%	10%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4.Qc2	62%	65%	▲ +3.1%
4.g3	14%	11%	▼ -3.1%
4.Qb3	5%	6%	▲ +1.4%
4.g4	8%	10%	▲ +2.1%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Aleksandr — 10 parties
Tal, Mikhail — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 9 parties
Hou, Yifan — 6 parties
Smyslov, Vladimir — 5 parties
Euwe, Max — 4 parties
Alekhine, Alexander — 1 partie
Ju, Wenjun — 1 partie
Botvinnik, Mikhail — 1 partie

Parties historiques

4.Qc2 — 60.7% (4352 parties)

1927 — Bogoljubow, Efim vs Ahues, Carl — 1/2-1/2 — Berlin GER
1927 — Kmoch, Hans vs Alekhine, Alexander — 1/2-1/2 — Kecskemet I
1941 — Füster, Géza vs Saemisch, Friedrich — 1-0 — Trencianske Teplice SVK
1947 — De Souza Mendes, Joao vs De Freitas, Marcio Elisio — 1/2-1/2 — Porto Alegre
1949 — Chekhover, Vitaly vs Sokolsky, Alexey — 1/2-1/2 — Vilnius LTU

4.g3 — 17.4% (1247 parties)

1928 — Helling, Karl vs Von Holzhausen, Walther — 1/2-1/2 — Berlin GER
1937 — Lundin, Erik vs Andersen, Erik — 0-1 — Copenhagen DEN
1939 — Lundin, Erik vs Gromer, Aristide — 1-0 — Buenos Aires ARG
1941 — Junge, Klaus vs Mueller, Hans — 1/2-1/2 — Bad Oeynhausen GER
1946 — List, Paul vs Friedmann, O. — 1-0 — Londen I

4.Qb3 — 6.6% (475 parties)

1941 — Lundin, Erik vs Opocensky, Karel — 1-0 — Munich GER
1952 — Podgorny, Jiri vs Kucera, Jan — 0-1 — Tatranska Lomnica
1954 — Fuster, Geza vs Anderson, Frank Ross — 1/2-1/2 — Toronto CAN
1958 — Pachman, Ludek vs Andersen, Borge — 1/2-1/2 — Munchen olm
1959 — Sofrevski, Jovan vs Trifunovic, Petar — 1/2-1/2 — Kragujevac ch14-YUG

4.g4 — 5.8% (415 parties)

1997 — Zvjaginsev, Vadim vs Benjamin Bedell, Jr. — 1/2-1/2 — Groningen NED
1997 — Krasenkow, Michal vs Abad Garcia, Gonzalo — 1-0 — Groningen NED
1998 — Rajlich, Iweta vs Szymanski, Marcin — 1/2-1/2 — POL-chTJ Rowy POL
1998 — Roiz, Michael vs Alienkin, Aleksander — 1/2-1/2 — Beersheba Beer Sheba ISR
1998 — Alfonso Jimenez, Pedro Alberto vs Benjamin Bedell, Jr. — 0-1 — New York, NY USA

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