E15 — Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation, Nimzowitsch Attack

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 ● 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 f4, b5, e5 et g5 et la paire de fous.

Côté adverse. Le fou enfermé en f8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b1, 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) ; Nc3 (Développer Nb1) ; 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 a6 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 f8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Bb7 (Fou actif (mobilité 6),) ; ...Nc6 (Développer Nb8) ; ...Be7 (Développer Bf8) ; ...c5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

-0.37 léger avantage noir. Base Masters : Blancs 25.9%, Nulles 53.4%, Noirs 20.7%.

Coups candidats

auto

Analyse coup par coup — 9 demi-coups commentés

1.d4 Avancée centrale — contrôle c5, e5. Prépare c4, e4, Nc3.
1…Nf6 Contrôle e4, d5.
2.c4 Avancée centrale — contrôle b5, d5. Prépare d4, Nc3, e4.
2…e6 Avancée centrale — contrôle d5, f5. Prépare d5, Be7, Bd6.
3.Nf3 Contrôle f4, c5, d5, e5.
3…b6 Prépare le fianchetto du Fou (Bb7).
4.g3 Prépare le fianchetto du Fou (Bg2).
4…Ba6 Contrôle c4, e4, c5, d5.
5.Qa4 Contrôle f4, c5, d5, e5.

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● a7→b6, c7→b6, d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● b5 (2v1), ● e5 (2v0), ● g5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (1v0), ● e5 (2v0)	● d5 (2v1), ● e4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 2)
Ba6		● Ba6 Actif (mob. 4)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Clouages	—	● pawn d7
Non développées	5 (b1, c1, f1, a1, h1)	4 (b8, 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	semi-ouvert
Ruptures	● c4-c5, ● d4-d5, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1938 AVRO – Round 1 – Euwe, Max – 1/2-1/2 – Alekhine, Alexander – G9 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. O-O Bb7 8. Bf4 c5 9. Nc3 cxd4 10. Nxd4 Bxg2
1945 Ljubljana Liberation – Round 4 – Tomovic, Vasilje – 1-0 – Pachman, Ludek – G10 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 Bb7 7. Nc3 O-O 8. O-O Ne4 9. d5 Nxc3 10. bxc3 d6
1946 Ostrawa ch CZE – Round 9 – Sajtar, Jaroslav – 1-0 – Potucek, Ludovit – G15 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 Bb7 7. O-O c5 8. Nc3 cxd4 9. Nxd4 Bxg2 10. Kxg2 Qc8 1-0
1952 Saltsjobaden Interzonal – Round 13 – Vaitonis, Povilas – 1/2-1/2 – Unzicker, Wolfgang – G125 1. Nf3 Nf6 2. d4 e6 3. c4 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 c6 7. O-O O-O 8. Bf4 b5 9. cxb5 cxb5 10. Qd1 Bb7
1952 URS ch sf – Round 6 – Fridstein, German – 1/2-1/2 – Cherepkov, Alexander V – G36 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. O-O c6 8. Nc3 d5 9. Ne5 Qe8 10. Re1 b5
1953 Buenos Aires ch-ARG – Round 1 – Guimard, Jean Louis – 1-0 – Rossetto, Aline – G11 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Nc3 O-O 7. Bg2 c6 8. Bf4 d6 9. O-O b5 10. cxb5 cxb5
1953 Candidats Tournament – Round 9 – Stahlberg, Gideon – 0-1 – Taimanov, Mark E – G55 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. Nc3 c6 8. Ne5 Qe8 9. O-O d5 10. Re1 b5
1953 Hastings5354 – Round 5 – Olafsson, Fridrik – 1/2-1/2 – Matanovic, Aleksandar – G23 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. O-O c6 8. Nc3 d5 9. Ne5 Qe8 10. cxd5 cxd5
1953 Opatija – Round 14 – Porreca, Giorgio – 1/2-1/2 – Wade, Robert G – G99 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. O-O c6 8. Nc3 d5 9. Ne5 Qe8 10. b4 b5
1954 Anderson-Fuster m – Round 3 – Fuster, Geza – 1-0 – Anderson, Frank Ross – G3 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. Nc3 c6 8. Bf4 d6 9. O-O b5 10. cxb5 cxb5
1954 Mar del Plata – Round 8 – Castillo Larenas, Mariano – 1/2-1/2 – Maderna, Carlos – G64 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. O-O c6 8. Re1 d5 9. cxd5 cxd5 10. Nc3 Qe8
1954 Olympiad final B – Round 1 – Prameshuber, Alexander – 0-1 – Nievergelt, Erwin – G14 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. O-O c6 8. Bf4 b5 9. cxb5 cxb5 10. Qc2 Nc6
1954 Prague zt Prague CZE – Round 1 – Uhlmann, Wolfgang – 0-1 – Szabo, Laszlo – G3 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 c6 7. Bf4 b5 8. cxb5 cxb5 9. Qd1 d5 10. Nbd2 Nc6
1955 Gothenburg Interzonal – Round 17 – Sliwa, Bogdan – 0-1 – Szabo, Laszlo – G160 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. Nc3 c6 8. Ne5 Qe8 9. b4 Bb7 10. O-O d6
1955 Wch U20 prel-B – Round 2 – Johannsson, Ingi R – 0-1 – Portisch, Lajos – G5 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 c6 7. Ne5 O-O 8. Nc3 Qe8 9. b4 d5 10. b5 Bb7
1955 Wch U20 prel-C – Round 4 – Van Hoorne, F – 0-1 – Keller, Dieter – G9 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. O-O c6 8. Ne5 Qe8 9. Bf4 d5 10. cxd5 b5
1956 Hoogovens – Round 1 – Toran Albero, Roman – 0-1 – Matanovic, Aleksandar – G2 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Nc3 O-O 7. e4 d5 8. cxd5 Bxf1 9. Kxf1 exd5 10. e5 Ne4
1957 Danmarksmesterskabet – Round 7 – Hage, Poul – 0-1 – Pedersen, Eigil – G26 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. Nc3 Bb7 8. O-O c5 9. d5 exd5 10. Nh4 Bc6
1957 Dublin zt – Round 15 – O'Sullivan, Donal – 0-1 – Gligorić, Svetozar – G122 1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. b4 Bxc4 8. Na3 Bd5 9. O-O a6 10. Nc2 Nc6
1957 Hoogovens – Round 3 – Kramer, Hanspeter – 1/2-1/2 – O'Kelly de Galway, Alberic – G12 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Nc3 O-O 7. Bg2 c6 8. O-O d5 9. cxd5 cxd5 10. Ne5 Qe8
1957 Mar del Plata – Round 3 – Incutto, Carlos – 1/2-1/2 – Behrensen, Joern – G40 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. O-O d5 8. Ne5 c6 9. cxd5 cxd5 10. Nc3 Qe8
1957 Mar del Plata – Round 8 – Albert Seguer, Eladio – 1/2-1/2 – Eliskases, Erich – G75 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 c6 7. Nc3 O-O 8. O-O d5 9. cxd5 cxd5 10. Ne5 Qe8
1957 Minsk zt – Round 4 – Zelinsky, Yuri – 0-1 – Uusi, Gunnar – G26 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. Ne5 c6 8. Nc3 Qe8 9. O-O d5 10. cxd5 b5
1957 Reykjavik ol stud tt – Round 1 – Kolarov, Atanas S. – 0-1 – Larsen, Benjamin Holsko – G9 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Nc3 O-O 7. e4 d5 8. cxd5 Bxf1 9. Kxf1 exd5 10. e5 Ne4
1957 Sofia zt Sofia BUL – Round 1 – Szilagyi, Gyorgy Laszlo – 1/2-1/2 – Matanovic, Aleksandar – G28 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 c6 7. Nc3 O-O 8. Bf4 Qc8 9. Rc1 Qb7 10. O-O b5
1957 Wageningen zt – Round 8 – Kolarov, Atanas S. – 1/2-1/2 – Niephaus, Walter – G23 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Nc3 Bb7 7. Bg2 c5 8. O-O O-O 9. Rd1 Bc6 10. Qc2 cxd4
1958 Hoogovens – Round 9 – Euwe, Max – 1/2-1/2 – Matanovic, Aleksandar – G35 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 c6 7. Nc3 O-O 8. Bf4 Qc8 9. O-O Qb7 10. Ne5 d5
1958 JUG-13ch – Round 15 – Ivkov, Borislav – 1/2-1/2 – Milic, Borislav – G17 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 c6 7. Nc3 O-O 8. Bf4 Qc8 9. O-O Qb7 10. Ne5 d5
1958 Munich olm fin-A – Round 1 – Ivkov, Borislav – 1-0 – Bertholdt, Dieter – G2 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 c6 7. Nc3 O-O 8. Bf4 Qc8 9. O-O d5 10. Ne5 Qb7
1958 Portoroz Interzonal – Round 14 – Bronstein, David I – 1/2-1/2 – Petrosian, Tigran V – G129 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Nc3 Bb7 7. Bg2 O-O 8. Bg5 d5 9. Bxf6 Bxf6 10. cxd5 exd5
1958 Portoroz Interzonal – Round 16 – Rossetto, Hector – 1/2-1/2 – Matanovic, Aleksandar – G149 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. Nc3 c6 8. Bf4 Qc8 9. O-O Qb7 10. d5 exd5
1958 Portoroz Interzonal – Round 6 – Füster, Géza – 1/2-1/2 – Sanguineti, Raúl Carlos – G54 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. Nc3 c6 8. Bf4 Bb7 9. O-O d5 10. Rac1 a6
1958 WchT U26 fin-B 05th – Round 1 – Roessel, Frits – 1/2-1/2 – Mititelu, Gheorghe – G2 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Nc3 O-O 7. e4 d5 8. cxd5 Bxf1 9. Kxf1 exd5 10. e5 Ne4
1959 Belgrade – Round 1 – Fuderer, Andrija – 1/2-1/2 – Bilek, Istvan – G22 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. Nc3 Bb7 8. O-O c5 9. Rd1 Bc6 10. Qc2 cxd4
1959 Hoogovens – Round 1 – Toran Albero, Roman – 1/2-1/2 – Olafsson, Fridrik – G12 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. O-O c6 8. Nc3 d5 9. cxd5 cxd5 10. Bf4 Qd7
1960 Budapest zt – Round 15 – Bertok, Mario Jr. – 1-0 – Mititelu, Gheorghe – G86 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 c6 7. Nc3 O-O 8. Bf4 Qc8 9. O-O Qb7 10. Ne5 d5
1960 Buenos Aires ch-ARG – Round 16 – Foguelman – 1-0 – Behrensen, Jorge – G115 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. Ne5 c6 8. O-O Qe8 9. Nc3 d5 10. Qb3 Nfd7
1960 Nimzowitsch Memorial – Round ? – Holm, Sejer – 0-1 – Petrosian, Tigran V – G29 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. O-O c6 8. Nc3 Qc8 9. Re1 d5 10. cxd5 b5
1961 BUL-RUS m – Round 2.5 – Kolarov, Atanas Stefanov – 1-0 – Antoshin, Vladimir S – G11 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Nc3 O-O 7. Bg2 c6 8. Bf4 d6 9. O-O b5 10. cxb5 cxb5
1961 New York ch-USA – Round 5 – Sherwin, James T – 1-0 – Seidman, Herbert – G23 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. Nc3 c6 8. O-O d5 9. Ne5 b5 10. cxb5 cxb5
1963 Alekhine Memorial – Round 7 – Balcerowski, Witold – 0-1 – Keres, Paul – G45 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Nc3 O-O 7. Bg2 c6 8. Bf4 b5 9. cxb5 cxb5 10. Nxb5 Nd5
1963 Asztalos Memorial – Round 11 – Lengyel, Laszlo – 0-1 – Bilek, Istvan – G30 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. Qa4 Be7 6. Nc3 O-O 7. Bg2 c6 8. Bf4 d6 9. Rc1 Qe8 10. O-O b5
1963 Asztalos Memorial 6th – Round 14 – Flesch, János – 1/2-1/2 – Lengyel, Laszlo – G39 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 c6 7. Bf4 d6 8. Nc3 O-O 9. Rc1 Qe8 10. c5 dxc5
1963 Hoogovens – Round 3 – Trifunovic, Petar – 1/2-1/2 – O'Kelly, Albéric de Galway – G31 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 c6 7. Nc3 O-O 8. Bf4 Qc8 9. O-O Qb7 10. Ne5 d5
1963 Hoogovens-B – Round 2 – Henneberke, Frans – 1/2-1/2 – Zuidema, Coen – G6 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. Nc3 c6 8. Bf4 d6 9. O-O b5 10. cxb5 cxb5
1963 Piatigorsky Cup – Round 2 – Benko, Pal – 0-1 – Keres, Paul Petrovich – G3 1. c4 Nf6 2. Nf3 e6 3. d4 b6 4. g3 Ba6 5. Qa4 Be7 6. Nc3 Bb7 7. Bg2 O-O 8. O-O Ne4 9. Nxe4 Bxe4 10. Rd1 Qc8
1963 Reggio Emilia 6364 06th – Round 8 – Beggi, Pierluigi – 0-1 – Flesch, János – G25 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. Qa4 Be7 6. Bf4 O-O 7. Bg2 d6 8. Nfd2 c6 9. Bxc6 Nxc6 10. Qxc6 e5
1964 Bordeaux Open Bordeaux FRA – Round 2 – Clarke, Peter H – 1/2-1/2 – Bilek, Istvan – G10 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 c6 7. Nc3 O-O 8. O-O d5 9. cxd5 cxd5 10. Bf4 Qe8
1964 Budapest ch-HUN – Round 1 – Sapi, Laszlo – 1/2-1/2 – Szabo, Ladislav – G61 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 Bb7 7. Nc3 c5 8. O-O O-O 9. Rd1 d6 10. Qc2 cxd4
1964 ESP Ch 29th – Round 6 – Pomar Salamanca, Arturo – 1-0 – Saborido Carre, Rafael – G25 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. O-O c6 8. Nc3 d5 9. Ne5 Qe8 10. cxd5 cxd5
1964 Hoogovens Beverwijk NED – Round 1 – Ivkov, Borislav – 1-0 – Zuidema, Coen – G20 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. Nc3 c6 8. Bf4 d6 9. Rc1 Qe8 10. O-O b5
1965 Asztalos Memorial 8th – Round 1 – Lengyel, Levente – 1-0 – Gunsberger, Alexander – G4 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Nc3 O-O 7. Bg2 c6 8. Bf4 d6 9. Rc1 Qe8 10. O-O b5
1965 Buenos Aires Ch – Round 2 – Palermo, Vicente – 1/2-1/2 – Behrensen, Jorge – G5 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. Nc3 c6 8. O-O d5 9. cxd5 cxd5 10. Ne5 Qe8
1965 Hamburg etc – Round 1 – Krogius, Nikolai V – 1/2-1/2 – Weise, Daniel, Dr. – G6 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Nc3 Bb7 7. Bg2 O-O 8. O-O c5 9. Rd1 cxd4 10. Nxd4 Bxg2
1965 Hamburg etc – Round 2 – Kluger, Gyula – 1/2-1/2 – Weise, Daniel, Dr. – G63 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Nc3 Bb7 7. Bg2 O-O 8. O-O Ne4 9. Nxe4 Bxe4 10. Ne1 Bxg2
1965 Mar del Plata – Round 14 – Bolbochan, J. – 1/2-1/2 – Sanguinetti, Ricardo – G110 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 c6 7. Nc3 O-O 8. O-O d5 9. cxd5 cxd5 10. Ne5 Bb7
1966 BRA-ch33 – Round 2 – De Souza Mendes, Joao – 0-1 – Miranda, Marcio Marcos do Carmo – G4 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Nc3 O-O 7. e4 d5 8. cxd5 Bxf1 9. Kxf1 exd5 10. e5 Ne4
1966 Rio Hondo zt – Round 17 – Bolbochan, J. – 1-0 – Aguilera Rocha, Angelina – G103 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. Nc3 c6 8. Bf4 d6 9. O-O Bb7 10. e4 Nfd7
1966 Tel Aviv 6th – Round 7 – Kagan, Shimon – 1/2-1/2 – Matanovic, Aleksandar – G24 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 c6 7. Nc3 O-O 8. Ne5 Qe8 9. O-O d5 10. cxd5 cxd5
1966 URS Team Ch – Round ? – Birbrager, Isaak – 0-1 – Smyslov, Vasily – G113 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 c6 7. Nc3 O-O 8. Ne5 Qe8 9. b4 Bb7 10. O-O d6
1967 URS Team Ch – Round 1 – Luik, Helmuth – 1/2-1/2 – Cherepkov, Alexander V – G50 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. O-O c6 8. Bf4 b5 9. cxb5 cxb5 10. Qd1 d5
40. Olympiad Open 2012 – Round 7.5 – Khenkin, Igor – 1-0 – Iordachescu, Viorel – G429 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. Ne5 c6 8. Nc3 Qe8 9. O-O d5 10. cxd5 cxd5
6. Tal Memorial 2011 – Round 1 – Aronian, Levon – 1/2-1/2 – Carlsen, Magnus – G2 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 c6 7. Nc3 O-O 8. O-O d5 9. Ne5 Qe8 10. b3 b5
FIDE WCh KO 2001 – Round 5.1 – Lautier, Joel – 1/2-1/2 – Ivanchuk, Vasyl – G322 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Nc3 Bb7 7. Bg2 Ne4 8. Nxe4 Bxe4 9. O-O O-O 10. Ne1 Bxg2
Tata Steel Masters 2024 - Round 3 - Warmerdam, Max - 1/2-1/2 - Firouzja, Alireza 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Bb7 6. Bg2 Be7 7. O-O O-O 8. Nc3 Ne4 9. Bd2 f5 10. Ne5 Qc8
World Cup 1988 – Round 1 – Salov, Valery – 1/2-1/2 – Karpov, Anatoly – G92 1. Nf3 Nf6 2. d4 e6 3. c4 b6 4. g3 Ba6 5. Qa4 Be7 6. Nc3 O-O 7. Bg2 c6 8. O-O d5 9. Ne5 b5 10. cxb5 cxb5
World Rapid 2019 – Round 15.25 – Xu, Yinglun – 1/2-1/2 – Sargissian, Gabriel – G960 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 O-O 7. Nc3 c6 8. O-O Qe8 9. Bf4 d6 10. c5 dxc5
Zurich Korchnoi CC Blitz 2017 – Round 2.1 – Pelletier, Yannick – 0-1 – Anand, Viswanathan – G5 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Nc3 Bb7 7. Bg2 O-O 8. O-O c6 9. Rd1 d5 10. Ne5 Nfd7

E15h — Nimzowitsch

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Ba6 5.Qa4

Eval: [+0.20]

Les coups candidats

5…Bb7 — 60.4% (3140 parties)

Ambassadeurs : Galanov, Sergey Igorevich (30x), Nikolic, Predrag (25x), Farago, Ivan (23x), Dlugy, Maxim (22x), Leko, Peter (20x), Pérez López, Alberto (20x), Ilincic, Zlatko (19x), Timman, Jan H (16x)

5…c5 — 18.0% (935 parties) →

Ambassadeurs : Nikolic, Predrag (13x), Dlugy, Maxim (9x), Tishin, D. (8x), Ilincic, Zlatko (8x), Rodriguez Cespedes, Amador (7x), Schneider, Lars-Ake (5x), Panno, Oscar (5x), Melnichuk, Mikhail (5x)

5…Be7 — 13.5% (703 parties) →

Ambassadeurs : Matanovic, Aleksandar (7x), Kovalenko, Igor (7x), Ivkov, Borislav (5x), Romanishin, Oleg M (5x), Beliavsky, Alexander G (5x), Bilek, Istvan (4x), Kolarov, Atanas S. (4x), Sriram, Jha (4x)

5…c6 — 7.5% (392 parties) →

Ambassadeurs : Portisch, Lajos (4x), Gulko, Boris (4x), Petursson, Margeir (4x), Iordachescu, Viorel (4x), Suto, Gabor (4x), Polugaevsky, Lev (3x), Bronstein, David I (3x), Nikolic, Predrag (3x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…Bb7	5…c5	5…Be7	5…c6
<1800	34	65%	9%	15%	9%
1800-2200	1138	58%	18%	17%	6%
2200-2600	3188	64%	18%	10%	7%
2600+	237	78%	9%	11%	2%

Évolution par décennie (% des parties)

Décennie	N parties	5…Bb7	5…c5	5…Be7	5…c6
1920s	1	—	—	—	100%
1930s	2	—	—	100%	—
1940s	5	—	—	60%	20%
1950s	59	—	7%	80%	14%
1960s	67	3%	12%	54%	31%
1970s	142	15%	37%	19%	25%
1980s	313	38%	36%	10%	15%
1990s	555	51%	25%	12%	12%
2000s	1422	62%	19%	13%	6%
2010s	2317	70%	13%	12%	5%
2020s	314	69%	14%	11%	6%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…Bb7	70%	69%	▼ -1.0%
5…c5	13%	14%	▲ +1.1%
5…Be7	12%	11%	▼ -0.5%
5…c6	5%	6%	▲ +0.9%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 8 parties
Karpov, Aleksandr — 6 parties
Carlsen, Magnus — 5 parties
Anand, Viswanathan — 5 parties
Smyslov, Vladimir — 3 parties
Euwe, Max — 2 parties
Tal, Mikhail — 2 parties
Hou, Yifan — 2 parties
Ju, Wenjun — 2 parties
Alekhine, Alexander — 1 partie
Ding, Liren — 1 partie

Parties historiques

5…Bb7 — 60.4% (3140 parties)

1964 — Kluger, Gyula vs Portisch, Lajos — 1-0 — Ungarn
1966 — Brander, Ilmari vs Brostrom, Goran — 1/2-1/2 — WchTJ U26 prel
1971 — Minev, Nikolay N vs Lengyel, Levente — 1/2-1/2 — Sarajevo Sarajevo BIH
1973 — Reshevsky, Samuel vs Keene, Raymond D — 1/2-1/2 — London ENG
1974 — Popov, Luben vs Keene, Raymond D — 1/2-1/2 — Hoogovens-B Wijk aan Zee NED

5…c5 — 18.0% (935 parties)

1954 — Kan, Ilya A vs Tolush, Alexander V — 1-0 — Leningrad ch22-SU sf
1955 — Kan, Ilya A vs Tolush, Alexander — 1-0 — ?
1958 — Bertok, Mario Jr. vs Kolarov, Atanas Stefanov — 1/2-1/2 — Varna BUL
1958 — Kolarov, Atanas Stefanov vs Mednis, Edmar J — 1/2-1/2 — Varna BUL
1961 — Corinthio, M. vs Meza Schmidt, Javier Esteban — 0-1 — corr EU/M

5…Be7 — 13.5% (703 parties)

1934 — Stoltz, Gosta vs Nimzowitsch, Aron — 1-0 — Stockholm SWE
1938 — Euwe, Max vs Alekhine, Alexander — 1/2-1/2 — Nederland
1942 — Schmidt, Pascal vs Keres, Paul — 1/2-1/2 — Salzburg AUT
1945 — Tomovic, Vasilje vs Pachman, Ludek — 1-0 — Ljubljana SLO
1946 — Sajtar, Jaroslav vs Potucek, Ludovit — 1-0 — Ostrawa ch CZE

5…c6 — 7.5% (392 parties)

1925 — Gruenfeld, Ernst vs Nimzowitsch, Aaron — 1/2-1/2 — Breslau GER
1948 — Furman, Slavomir vs Keres, Paul — 1-0 — Moskou ch-URS
1952 — Andric, Dragoslav vs Trifunovic, Petar — 1/2-1/2 — Belgrade SRB
1953 — Kwapisz, Stanislaw vs Szymanski, Aleksander — 1-0 — Krakow POL
1953 — Jewitt, Earl vs Anderson, Frank Ross — 0-1 — Toronto CAN

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