E50a — Nimzo-Indian: 4.e3 O-O 5.Nf3

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 * ● 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 b5 et e5 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) ; Bd2 (Développer Bc1) ; Bd3 (Développer Bf1) ; 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	● f2→e3, e3→d4	● d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bf1	● Bf1 Non développé (mob. 2)
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, ● e3-e4	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1926 Dresden – Round 2 – Johner, Paul – 0-1 – Nimzowitsch, Aron – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 Nc6 7. O-O Bxc3 8. bxc3 d6 9. Nd2 b6 10. Nb3 e5
1933 GER Ch 1st – Round 8 – Rellstab, Ludwig – 0-1 – Roedl, Ludwig – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 Bxc3+ 7. bxc3 d6 8. O-O Nc6 9. Nd2 e5 10. Nb3 b6
1935 Tatatovaros – Round 11 – Korody Keresztely, Imre – 1/2-1/2 – Steiner, Endre – G60 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 b6 6. Be2 Bb7 7. O-O Re8 8. a3 Bf8 9. b4 d5 10. Bb2 Nbd7
1943 Madrid – Round 6 – Pomar Salamanca, Arturo – 1/2-1/2 – Alonso Arburu, Juan Ignacio – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 Ne4 6. Qc2 f5 7. Bd3 d5 8. O-O c6 9. Ne5 Nd7 10. f4 Rf6
1944 New York ch-USA – Round 12 – Pinkus, Albert – 1/2-1/2 – Horowitz, Albert Israel – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d6 6. Qc2 Nc6 7. a3 Bxc3+ 8. Qxc3 Qe7 9. b4 e5 10. dxe5 Nxe5
1945 Moscow Ch – Round 12 – Zagoriansky, Evgeny – 1/2-1/2 – Lilienthal, Andor – G65 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d6 6. Qb3 Nc6 7. Be2 e5 8. d5 Bxc3+ 9. Qxc3 Ne7 10. O-O Ne4
1946 Leningrad-Prague – Round 2 – Levenfish, Grigory – 0-1 – Kottnauer, Cenek – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. e3 b6 6. Qc2 Bb7 7. Bd3 d6 8. Bd2 Nbd7 9. a3 Bxc3 10. Bxc3 Qe7
1948 GBR-NED match – Round 1.9 – Henneberke, Frans – 1/2-1/2 – Horne, Dennis Morton – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d6 7. O-O Nc6 8. Ne2 e5 9. d5 e4 10. Bxe4 Nxe4
1949 URS Ch, semi final – Round 7 – Vistaneckis, Isakas – 0-1 – Chekhover, Vitaly – G53 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d6 7. O-O Bxc3 8. bxc3 Qe7 9. e4 e5 10. Bg5 Re8
1953 Candidats Tournament – Round 20 – Bronstein, David I – 1-0 – Szabo, Laszlo – G127 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Be2 d5 7. O-O Nc6 8. cxd5 cxd4 9. dxc6 dxc3 10. Qb3 Qe7
1953 Candidats Tournament – Round 29 – Geller, Efim P – 1/2-1/2 – Petrosian, Tigran V – G191 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 c5 5. e3 O-O 6. Be2 b6 7. O-O Bb7 8. Qb3 cxd4 9. Qxb4 Nc6 10. Qa3 dxc3
1953 Candidats Tournament – Round 4 – Bronstein, David I – 1/2-1/2 – Averbakh, Yuri L – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 b6 6. Be2 Bb7 7. O-O d5 8. cxd5 exd5 9. Bd2 Bd6 10. Rc1 a6
1953 Hastings5354 – Round 5 – Bronstein, David I – 1-0 – Horne, Dennis Morton – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 Nc6 7. Qc2 b6 8. O-O Bxc3 9. Qxc3 Bb7 10. dxc5 Ne4
1953 URS Team Ch – Round 1 – Bannik, Anatolij – 1-0 – Guldin, L. – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 Nc6 7. O-O Bxc3 8. bxc3 d6 9. e4 Qc7 10. Qe2 e5
1953 Wch U20 fin-A – Round 3 – Olafsson, Fridrik – 1-0 – Mellberg B – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d6 7. O-O Bxc3 8. bxc3 Nc6 9. e4 Ne8 10. e5 dxe5
1954 Belgrade – Round 6 – Rabar, Braslav – 1/2-1/2 – Nedeljkovic, Aleksandar – G61 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 b6 7. O-O Bxc3 8. bxc3 Nc6 9. Qc2 d6 10. e4 Qc7
1954 Montevideo – Round 5 – Corral, Hector – 0-1 – Salas Romo, Julio – G55 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 Qe7 7. O-O d6 8. Qc2 Nc6 9. Rd1 Bxc3 10. bxc3 e5
1954 Munich zt – Round 6 – Fuderer, Andrija – 0-1 – Unzicker, Wolfgang – G36 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 b6 7. O-O Bb7 8. Na4 cxd4 9. exd4 Be7 10. a3 Ne4
1954 Olympiad prel IV – Round 1 – Cuellar Gacharna, Miguel – 1-0 – O'Kelly de Galway, Alberic – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 O-O 7. O-O Bxc3 8. bxc3 d6 9. e4 e5 10. d5 Ne7
1954 Open – Round 1 – Fotias, Chris – 0-1 – Bermudez Adams, William – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd3 Nc6 7. O-O b6 8. a3 Bxc3 9. bxc3 Qc7 10. Bb2 Ba6
1954 USA-URS – Round 2 – Taimanov, Mark E – 0-1 – Evans, Larry M – G6 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 Bxc3+ 7. bxc3 d6 8. O-O Nc6 9. Nd2 e5 10. Bb2 b6
1955 BLR-POL m – Round ? – Saigin, Vladimir – 1-0 – Gawlikowski, Stanislaw – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 b6 7. O-O Bxc3 8. bxc3 Bb7 9. Nd2 cxd4 10. cxd4 d5
1955 Budapest – Round 1 – Tipary, Lajos – 1/2-1/2 – Negyesy, Gyorgy – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd2 cxd4 7. exd4 d5 8. a3 Bxc3 9. Bxc3 Ne4 10. Bb4 Re8
1955 Erfurt – Round 2 – Dittmann, Sieghart – 1-0 – Balanel, Ion – G19 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d6 7. O-O Bxc3 8. bxc3 Re8 9. d5 e5 10. Nd2 Qe7
1955 Novi Sad – Round 14 – Udovcic, Mijo – 1-0 – Matanovic, Aleksandar – G105 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 b6 7. O-O Bb7 8. Qc2 Nc6 9. Rd1 cxd4 10. exd4 d5
1955 Poland ch13 – Round 11 – Pytlakowski, Andrzej – 0-1 – Blaszczak, Czeslaw – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 O-O 7. O-O d6 8. Ne4 Nxe4 9. Bxe4 d5 10. cxd5 exd5
1955 URS Ch sf – Round 1 – Antoshin, Vladimir S – 1-0 – Vladimirov, Boris T – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 b6 7. O-O Bb7 8. Nb5 cxd4 9. a3 Be7 10. Nbxd4 d5
1955 URS Team Ch fin – Round 6 – Averbakh, Yuri L – 1/2-1/2 – Kholmov, Ratmir D – G20 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 d5 7. O-O Nbd7 8. cxd5 exd5 9. dxc5 Nxc5 10. Bd2 Ne6
1955 URS-USA telex – Round 1 – Geller, Efim P – 1-0 – Byrne, David – G2 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 b6 7. d5 Bb7 8. e4 exd5 9. cxd5 Re8 10. O-O Bxc3
1956 Hastings5657 – Round 1 – Olafsson, Fridrik – 1-0 – Penrose, Justin – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 Nc6 7. O-O Bxc3 8. bxc3 d6 9. Nd2 e5 10. Nb3 Re8
1956 Leningrad ch-URS – Round 1 – Khasin, Abram – 1/2-1/2 – Spassky, Boris Vasily – G50 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 b6 7. O-O Bb7 8. Na4 cxd4 9. exd4 Be7 10. Bf4 d6
1956 Manhattan CC Ch sf-C 5657 – Round ? – Bisguier, Arthur B – 1-0 – Greene, Sanford I – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 Nc6 6. Bd3 d6 7. O-O e5 8. Ne4 Ba5 9. a3 Bb6 10. dxe5 Nxe5
1957 GBR Ch 44th – Round 6.4 – Parr, Frank – 0-1 – Penrose, Jonathan – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 O-O 7. O-O d6 8. Qc2 Bxc3 9. Qxc3 e5 10. d5 Ne7
1957 Hastings5758 – Round 1 – Clarke, Paul R H – 1/2-1/2 – Penrose, Justin – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 Nc6 7. O-O d6 8. Ne2 cxd4 9. exd4 e5 10. Bg5 Bg4
1957 Leningrad Ch – Round 1 – Antoshin, Vladimir S – 1/2-1/2 – Spassky, Boris Vasily – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 O-O 7. d5 exd5 8. cxd5 Nxd5 9. Bxh7+ Kxh7 10. Qxd5 d6
1957 New York ch-USA – Round 4 – Bisguier, Arthur B – 0-1 – Denker, Arnold S – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 Bxc3+ 7. bxc3 d6 8. e4 e5 9. O-O Bg4 10. d5 Ne8
1957 San Benedetto – Round 9 – Gereben, Erno – 1/2-1/2 – Barcza, Gedeon – G44 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. e3 O-O 6. Be2 Ne4 7. Qb3 Nc6 8. O-O Bxc3 9. bxc3 Ba6 10. Ba3 Re8
1957 URS Ch, semi final – Round 4 – Furman, Slavomir – 1-0 – Blagidze, Alexander – G36 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 Nc6 7. d5 Bxc3+ 8. bxc3 Na5 9. O-O d6 10. e4 h6
1958 Argentina – Round 10 – Idigoras, Gregorio – 0-1 – Sanguinetti, Raul – G77 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d6 7. O-O Nc6 8. d5 Ne7 9. e4 Ng6 10. dxe6 Bxe6
1958 Argentina – Round 11 – Shocron, Ruben – 1/2-1/2 – Reinhardt, Heinrich – G84 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 b6 7. d5 b5 8. dxe6 fxe6 9. cxb5 d5 10. O-O Bb7
1958 Munich olm fin-B – Round 9 – Rantanen, Matti – 1/2-1/2 – Barcza, Gedeon – G83 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 Nc6 6. Qc2 d6 7. a3 Bxc3+ 8. Qxc3 Re8 9. Be2 e5 10. dxe5 dxe5
1958 Munich olm prel – Round 4 – Panno, Oscar – 1/2-1/2 – Penrose, Jonathan – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 O-O 7. O-O Bxc3 8. bxc3 d6 9. Nd2 e5 10. Bb2 Re8
1958 NLD Ch – Round 5 – Van den Berg, Carel B – 1/2-1/2 – Van Weezel, Chris – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d6 7. O-O Nc6 8. Qc2 Bxc3 9. Qxc3 e5 10. dxe5 dxe5
1959 FRG Ch 05th – Round 1 – Schuster, Theodor – 1-0 – Niephaus, Walter – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. a3 Bxc3+ 7. bxc3 d6 8. Bd3 Nc6 9. O-O e5 10. d5 Ne7
1959 Moscow – Round 1 – Titenko, Vladimir F – 1-0 – Thorbergsson, Freysteinn – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 O-O 7. d5 exd5 8. cxd5 Qa5 9. dxc6 Bxc3+ 10. bxc3 Qxc3+
1959 UKR Ch – Round 4 – Poliak, Evsey – 0-1 – ? – G27 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd2 cxd4 7. Nxd4 Nc6 8. Nc2 Ba5 9. Be2 d5 10. cxd5 exd5
1959 URS-JUG – Round 1 – Petrosian, Tigran V – 1-0 – Matanovic, Aleksandar – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 b6 7. O-O Bb7 8. Na4 cxd4 9. exd4 Qc7 10. c5 bxc5
1959 York ch-BCF – Round 9 – Mardle, Denis – 1-0 – Hallmark, AM. – G103 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 Nc6 7. O-O Bxc3 8. bxc3 d6 9. e4 e5 10. d5 Ne7
1960 Cordoba – Round 1 – Korchnoi, Viktor – 1-0 – Redolfi, Argentino Rodolfo – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 d5 7. O-O Nc6 8. cxd5 exd5 9. dxc5 Bxc3 10. bxc3 Qa5
1960 ITA-HUN – Round 1 – Varnusz, Egon – 1/2-1/2 – Romani, Elio – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. e3 Ne4 6. Qc2 f5 7. Bd3 d5 8. O-O c6 9. Ne5 Nd7 10. cxd5 cxd5
1960 Leipzig olm fin-B – Round 5 – Diez del Corral, Jesus – 1/2-1/2 – Janetschek, Karl – G55 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 O-O 7. O-O d6 8. Bd2 Qe7 9. a3 Ba5 10. d5 exd5
1960 Leipzig olm fin-C – Round 7 – O'Kelly de Galway, Alberic – 1/2-1/2 – Chalkhasuren, Gonchich – G37 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 Nc6 7. d5 exd5 8. cxd5 Nxd5 9. Bxh7+ Kxh7 10. Qxd5 Qf6
1960 Leningrad ch-URS – Round 17 – Korchnoi, Viktor – 1-0 – Krogius, Nikolai V – G156 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 d5 7. O-O Nc6 8. cxd5 exd5 9. dxc5 Bxc5 10. b3 a6
1960 Ljubljana – Round 12 – Gligorić, Svetozar – 1/2-1/2 – Smederevac, Petar – G85 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. e3 c6 6. Bd3 d6 7. O-O Nbd7 8. a3 Ba5 9. b4 Bc7 10. e4 a5
1960 Moscow CCCT – Round 9 – Puc, Stojan – 0-1 – Kholmov, Ratmir D – G51 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd2 cxd4 7. Nxd4 Nc6 8. a3 Be7 9. Qc2 d5 10. Nf3 Re8
1960 Olympiad prel III – Round 1 – Filip, Miroslav – 1-0 – Momo, Suren – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 Nc6 7. O-O d6 8. Qc2 Ba5 9. a3 Bxc3 10. Qxc3 e5
1960 UKR Ch sf – Round 6 – Bannik, Anatolij – 1/2-1/2 – Novopashin, Arkady – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 b6 6. Be2 Bb7 7. O-O Nc6 8. Bd2 d5 9. cxd5 exd5 10. a3 Bd6
1960 UKR Ch sf – Round 7 – Poliak, Evsey – 1/2-1/2 – Kurass, Iskir – G40 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd2 d5 7. cxd5 cxd4 8. Nxd4 Nxd5 9. Rc1 Nxc3 10. Bxc3 Bxc3+
1960 URS Team Ch – Round 1 – Korchnoi, Viktor – 1-0 – Krogius, Nikolai V – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 b6 7. O-O Bxc3 8. bxc3 Bb7 9. Nd2 Nc6 10. Nb3 d6
1960 URS Team Ch – Round 1 – Kortchnoi, V. – 1/2-1/2 – Keres, P. – G2 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 b6 7. O-O Bb7 8. Na4 cxd4 9. exd4 Ne4 10. c5 bxc5
1961 Baden-Vienna – Round 1 – Averbakh, Yuri L – 1-0 – Dueckstein, Andreas – G1 1. c4 e6 2. d4 Nf6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 Bxc3+ 7. bxc3 d6 8. O-O Nc6 9. Nd2 e5 10. Nb3 b6
1961 GBR Ch 48th – Round 1.8 – Parr, Frank – 1/2-1/2 – Reuben, Stewart – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 Ne4 7. Qc2 f5 8. O-O Bxc3 9. bxc3 b6 10. Bd3 Bb7
1961 Maroczy Memorial – Round ? – Portisch, Lajos – 0-1 – Korchnoi, Viktor – G47 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 b6 6. Bd2 Bb7 7. Bd3 d5 8. cxd5 exd5 9. O-O a6 10. Ne2 Bd6
1961 ROM Ch – Round 7 – Ghitescu, Theodor – 1-0 – Vaisman, Volodia – G45 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 d5 7. O-O Nc6 8. cxd5 exd5 9. dxc5 Bxc5 10. a3 Bb6
1961 Warsaw – Round 1 – Podolsky, Horst – 1/2-1/2 – Mititelu, Gheorghe – G4 1. c4 e6 2. Nc3 Bb4 3. d4 Nf6 4. e3 O-O 5. Nf3 c5 6. d5 d6 7. Bd2 e5 8. Qc2 Na6 9. a3 Ba5 10. Bd3 Qe7
1961 Zagreb – Round 9 – Marovic, Drazen – 1-0 – Suvalic – G79 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd3 Nc6 7. O-O d6 8. Qc2 e5 9. dxe5 dxe5 10. Rd1 Bd7
1962 Copenhagen – Round 11 – Kolvig, Bent – 1-0 – From, Sigfred – G50 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 b6 7. d5 d6 8. O-O Bxc3 9. bxc3 e5 10. e4 Ne8
1962 Corr Wch4 – Round 1 – Borisenko, Georgy K – 1/2-1/2 – Lim Hong Gie – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 Nc6 7. d5 Bxc3+ 8. bxc3 Ne7 9. e4 d6 10. Nh4 Ng6
1962 FRG-NED – Round 1.1 – Van Scheltinga, Theo – 1/2-1/2 – Unzicker, Wolfgang – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd2 d5 7. a3 Bxc3 8. Bxc3 Ne4 9. Rc1 Nxc3 10. Rxc3 cxd4
1962 Marianske Lazne – Round 10 – Muehlberg, Siegfried – 1/2-1/2 – Djurasevic, Bozidar – G62 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd2 b6 7. a3 Bxc3 8. Bxc3 Bb7 9. Bd3 Ne4 10. Rc1 d6
1962 Marianske Lazne – Round 12 – Ghitescu, Theodor – 1/2-1/2 – Djurasevic, Bozidar – G75 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 d5 7. O-O Nc6 8. cxd5 exd5 9. dxc5 Bxc5 10. a3 a6
1962 Moscow – Round 1 – Aronin, Lev – 1/2-1/2 – Yudovich, Mikhail Jr – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Be2 d5 7. cxd5 Nxd5 8. Bd2 cxd4 9. Nxd5 Bxd2+ 10. Qxd2 Qxd5
1962 Varna olm – Round 8 – Portisch, Lajos – 1/2-1/2 – Unzicker, Wolfgang – G188 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 b6 7. O-O Bb7 8. Na4 cxd4 9. exd4 Be7 10. a3 Ne4
1963 Hoogovens – Round 8 – Van Scheltinga, Theo – 1-0 – Trifunovic, Petar – G65 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd2 b6 7. Bd3 Bb7 8. a3 Bxc3 9. Bxc3 Ne4 10. Bxe4 Bxe4
1963 Pan American Ch – Round 2 – Cobo Arteaga, Eldis – 1-0 – Ortega, Rogelio – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 Nc6 7. O-O d6 8. a3 Bxc3 9. bxc3 e5 10. Qc2 Qe7
1963 URS Ch sf – Round ? – Averbakh, Yuri L – 0-1 – Osnos, Viatcheslav – G3 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. e3 b6 6. Be2 Ne4 7. Qc2 Bxc3+ 8. bxc3 f5 9. O-O Ba6 10. d5 Qf6
1963 URS Team Ch Moscow RUS – Round 1 – Shestoperov, Aleksej – 0-1 – Osnos, Viatcheslav – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Be2 b6 7. O-O Bxc3 8. bxc3 Bb7 9. Nd2 Nc6 10. Nb3 d6
1964 Budapest ch-HUN – Round 1 – Portisch, Lajos – 1/2-1/2 – Szabo, Ladislav – G64 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 O-O 5. e3 d6 6. Qc2 Nbd7 7. Bd3 e5 8. O-O Bxc3 9. bxc3 Re8 10. e4 b6
1964 Budapest ch-HUN – Round 1 – Szabo, Ladislav – 1-0 – Flesch, Jean-benoit – G50 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd3 Nc6 7. d5 Bxc3+ 8. bxc3 Ne7 9. e4 d6 10. Nh4 Ng6
1964 Capablanca Memorial – Round 18 – O'Kelly de Galway, Alberic – 1-0 – Acevedo Ortega, Rodrigo Andres – G180 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. e3 Ne4 6. Qc2 f5 7. Bd3 Nf6 8. Bd2 h6 9. a3 Be7 10. h3 b6
1964 Hoogovens – Round 1 – Van Scheltinga, Theo – 0-1 – Portisch, Lajos – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd2 cxd4 7. exd4 d5 8. c5 b6 9. a3 Bxc3 10. Bxc3 Ne4
1964 Tel Aviv olm fin-B – Round 7 – Levy, Mauricio – 0-1 – Haro Garcia, Gilberto – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. a3 Ba5 7. Bd3 d5 8. O-O Bxc3 9. bxc3 b5 10. Bc2 bxc4
1964 Tel Aviv olm prel – Round 4 – Filip, Miroslav – 1/2-1/2 – Hanks, John – G124 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 O-O 7. d5 Bxc3+ 8. bxc3 Na5 9. O-O d6 10. e4 e5
1965 Asztalos Memorial 8th – Round 5 – Gasztonyi, Endre – 0-1 – Kolarov, Atanas Stefanov – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd2 Nc6 7. d5 Ne7 8. a3 Ba5 9. Qc2 exd5 10. Nxd5 Nexd5
1965 Asztalos Memorial 8th – Round 6 – Borisenko, Georgy K – 1/2-1/2 – Haag, Ervin – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. e3 O-O 6. Bd2 d5 7. Rc1 Bb7 8. a3 Bxc3 9. Bxc3 Nbd7 10. b4 Ne4
1965 Gyula – Round 1 – Korchnoi, Viktor – 1-0 – Forintos, Gyozo V – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Be2 b6 7. O-O Bb7 8. Bd2 cxd4 9. exd4 Be7 10. Re1 d5
1965 Hoogovens – Round 13 – Geller, Efim P – 1-0 – Smederevac, Petar – G99 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c6 6. a3 Ba5 7. b4 Bc7 8. e4 d6 9. Be2 Nbd7 10. O-O e5
1965 It II Beverwijk NED – Round 1 – Balashov, Yuri S – 1/2-1/2 – Karaklajic, Nikola – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. e3 c5 6. Be2 d5 7. cxd5 Nxd5 8. Bd2 cxd4 9. exd4 Nc6 10. O-O Nxc3
1965 Malaga Malaga ESP – Round 10 – O'Kelly de Galway, Alberic – 1-0 – Ulvestad, Olaf – G19 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. e3 Re8 6. Bd3 d6 7. O-O Bxc3 8. bxc3 Nc6 9. Nd2 e5 10. f3 Ne7
1965 Mar del Plata – Round 14 – Averbakh, Yuri L – 1-0 – Behrensen, Joern – G109 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 b6 7. O-O Nc6 8. d5 Bxc3 9. dxc6 Ba5 10. Qc2 d5
1965 Moscow – Round 1 – Korchnoi, Viktor – 1-0 – Petrosian, Tigran A. – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 Bxc3+ 7. bxc3 b6 8. Nd2 Bb7 9. O-O d6 10. f3 Nc6
1965 Tallinn ch-URS – Round 1 – Polugaevsky, Lev – 1-0 – Kuzmin, Gennadiy – G57 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 Nc6 7. O-O Bxc3 8. bxc3 b6 9. e4 d6 10. e5 dxe5
1965 URS-JUG – Round 1 – Taimanov, Mark E – 1-0 – Matanovic, Aleksandar – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 b6 7. O-O Bb7 8. Na4 Qe7 9. a3 Ba5 10. dxc5 bxc5
1965 URS-JUG – Round 2 – Polugaevsky, Lev – 1-0 – Parma, Bruno – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 d5 7. O-O Nc6 8. cxd5 exd5 9. dxc5 Bxc5 10. b3 Be6
1965 Wch U20 f-A – Round 4 – Farago, Ivan – 0-1 – Kurajica, Bojan – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 Nc6 7. d5 Bxc3+ 8. bxc3 Na5 9. O-O d6 10. e4 e5
1966 Asztalos Memorial 9th – Round 6 – Csom, Istvan – 0-1 – Dely, Peter – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. d5 Ne4 7. Qc2 Qf6 8. Bd2 Bxc3 9. Bxc3 Nxc3 10. bxc3 d6
1966 Hungary – Round 1 – Sapi, Laszlo – 0-1 – Csom, I. – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 O-O 6. Bd3 c5 7. O-O cxd4 8. exd4 Bb7 9. Bg5 Be7 10. Qe2 d6
1966 La Habana olm fin-A – Round 12 – Olafsson, Fridrik – 1-0 – Johannessen, Svein – G220 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 Nc6 6. Qc2 d6 7. a3 Bxc3+ 8. Qxc3 Re8 9. b4 e5 10. d5 Ne7
1967 Capablanca Memorial – Round 7 – Gligoric, Sofija – 1/2-1/2 – Filip, Marius Liviu – G61 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 b6 7. Bd2 cxd4 8. exd4 d5 9. cxd5 exd5 10. Ne5 Bb7
1967 Palma de Mallorca – Round 15 – Gligorić, Svetozar – 1/2-1/2 – O'Kelly, Albéric de Galway – G106 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 b6 7. Bd2 Ba6 8. a3 Bxc3 9. Bxc3 cxd4 10. exd4 d5
1967 Palma de Mallorca – Round 17 – Donner, Jan-Hein – 1-0 – O'Kelly, Albéric de Galway – G121 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 b6 7. d5 exd5 8. cxd5 Bb7 9. e4 Re8 10. O-O Bxc3
1967 Sochi – Round 5 – Kotov Lundqvist, Alex – 1/2-1/2 – Flesch, Janos – G46 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. a3 Bxc3+ 7. bxc3 d6 8. Bd3 Nc6 9. e4 e5 10. d5 Ne7
1967 Venice Venice ITA – Round 13 – Evans, Larry M – 1/2-1/2 – Pachman, Ludek – G42 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 b6 7. d5 exd5 8. cxd5 Bb7 9. e4 Re8 10. O-O Bxc3
1968 Buesum – Round 4 – Pollak, Georg – 1/2-1/2 – Mohrlok, Dieter – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 b6 7. O-O Bb7 8. Na4 cxd4 9. exd4 Be7 10. a3 Ne4
1968 It Buesum GER – Round 8 – Pollak, Georg – 1/2-1/2 – Parma, Bruno – G36 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 d5 7. O-O Nc6 8. cxd5 exd5 9. dxc5 Bxc5 10. b3 Be6
1968 Reykjavik – Round ? – Johansson, Gunnar – 1/2-1/2 – Taimanov, Mark E – G83 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 Nc6 6. Qc2 d6 7. a3 Bxc3+ 8. Qxc3 a5 9. b3 Re8 10. Bb2 e5
1969 Capablanca Memorial – Round 15 – Panno, Oscar – 0-1 – Haro Garcia, Gilberto – G109 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 Nc6 7. d5 Ne7 8. e4 d6 9. Qc2 e5 10. g3 Bxc3+
1969 Capablanca Memorial – Round 4 – Korchnoi, Viktor – 1-0 – Parma, Bruno – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Be2 d5 7. a3 cxd4 8. axb4 dxc3 9. bxc3 Qc7 10. Qb3 Nbd7
1969 Luhacovice – Round 1 – Korchnoi, Viktor – 1/2-1/2 – Kolarov, Atanas S. – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 Nc6 7. O-O Bxc3 8. bxc3 d6 9. e4 e5 10. d5 Ne7
1969 Luhacovice – Round 10 – Korchnoi, Viktor – 1-0 – Lengyel, Laszlo – G76 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 b6 7. d5 exd5 8. cxd5 Nxd5 9. Bxh7+ Kxh7 10. Qxd5 Bxc3+
1969 Palma de Mallorca – Round 14 – Korchnoi, Viktor – 1-0 – Mecking, Henrique – G123 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 b6 7. O-O Bb7 8. Na4 cxd4 9. exd4 Be7 10. a3 Ne4
1969 URS Ch U18 playoff – Round 5 – Vaganian, Rafael A – 0-1 – Karpov, Aleksandr – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Be2 d5 7. O-O Nbd7 8. cxd5 exd5 9. Qb3 Bxc3 10. Qxc3 Ne4
American Cup Blitz 2022 – Round 9.1 – So, Wesley – 1/2-1/2 – Aronian, Levon – G47 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Nf3 Bxc3+ 6. bxc3 d6 7. Bd3 e5 8. Nd2 Qe7 9. e4 Nc6 10. Bb2 exd4
USA Ch 2022 – Round 7.5 – Robson, Ray – 1-0 – So, Wesley – G46 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 Bxc3+ 6. bxc3 d6 7. Bd3 e5 8. e4 Re8 9. O-O exd4 10. cxd4 Nxe4
World Blitz 2023 – Round 3.3 – Rakhmanov, Aleksandr – 1-0 – Keymer, Vincent – G166 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d6 6. Bd2 Nc6 7. Qc2 e5 8. dxe5 Nxe5 9. Be2 a5 10. h3 Be6

E50a —

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3

Eval: [+0.11]

Les coups candidats

5…d5 — 46.7% (1616 parties) →

Ambassadeurs : Korchnoi, Viktor (11x), Kolanek, Roman (10x), ? (9x), Vaisser, Anatoly (9x), Rakhmanov, Aleksandr (9x), Swahnberg, Lars (8x), Kovacs, Gabor (8x), Kozma, Julius (7x)

5…c5 — 28.0% (969 parties) →

Ambassadeurs : Korchnoi, Viktor (11x), Najdorf, Miguel (9x), Kolanek, Roman (8x), Swahnberg, Lars (7x), Krogius, Nikolai V (6x), Polugaevsky, Lev (6x), Portisch, Lajos (5x), Taimanov, Mark (5x)

5…b6 — 16.2% (561 parties) →

Ambassadeurs : Kolanek, Roman (9x), Speelman, Jon S (4x), Korchnoi, Viktor (4x), Portisch, Lajos (4x), Popov, Vladimir Valentinovich (4x), Gligorić, Svetozar (3x), Reshevsky, Samuel (3x), Bernal Varela, Nelson (3x)

5…Bxc3+ — 3.8% (133 parties)

Ambassadeurs : Kolanek, Roman (3x), Zabransky, Frantisek (2x), Volkov, Aleksandr (2x), Schubert, Steffen (2x), Habes, Jiri (2x), Salonen, Jukka (2x), Vetokhin, Savva (2x), Struzka, Vlastimil (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…d5	5…c5	5…b6	5…Bxc3+
<1800	108	37%	24%	20%	9%
1800-2200	1037	41%	27%	21%	5%
2200-2600	1262	51%	27%	15%	4%
2600+	86	50%	30%	9%	5%

Évolution par décennie (% des parties)

Décennie	N parties	5…d5	5…c5	5…b6	5…Bxc3+
1850s	1	—	—	—	—
1920s	3	33%	33%	33%	—
1930s	3	33%	—	67%	—
1940s	13	23%	8%	23%	—
1950s	89	40%	42%	13%	—
1960s	250	42%	41%	11%	—
1970s	92	40%	35%	18%	2%
1980s	165	59%	27%	11%	—
1990s	381	55%	25%	14%	1%
2000s	741	46%	30%	18%	2%
2010s	1165	42%	27%	19%	5%
2020s	558	52%	21%	13%	9%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…d5	42%	52%	▲ +9.9%
5…c5	27%	21%	▼ -6.6%
5…b6	19%	13%	▼ -6.9%
5…Bxc3+	5%	9%	▲ +3.6%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 7 parties
Smyslov, Vladimir — 3 parties
Karpov, Aleksandr — 3 parties
Alekhine, Alexander — 2 parties
Ju, Wenjun — 2 parties
Euwe, Max — 1 partie
Botvinnik, Mikhail — 1 partie
Karpov, Anatoly — 1 partie
Anand, Viswanathan — 1 partie
Ding, Liren — 1 partie
Carlsen, Magnus — 1 partie
Gukesh D — 1 partie

Parties historiques

5…d5 — 46.7% (1616 parties)

1929 — Winter, William vs Yates, Fred Dewhirst — 0-1 — London, The Gambit
1939 — Landau, Salo vs Euwe, Max — 1/2-1/2 — Amsterdam m ch-NED
1945 — Tolush, Alexander V vs Mikenas, Vladas — 1-0 — Tallinn EST
1945 — Tolush, Alexander V vs Mikenas, Vladas — 1-0 — Tallinn EST
1947 — Taimanov, Mark vs Averbakh, Yuri L — 0-1 — Leningrad RUS

5…c5 — 28.0% (969 parties)

1920 — Reshevsky, Samuel vs Saemisch, Friedrich — 0-1 — Berlin GER
1941 — Lopez Esnaola, B. vs Alekhine, Alexander — 0-1 — Vitoria
1950 — Alatortsev, Vladimir N. vs Averbakh, Yuri L — 1/2-1/2 — Moskou ch-URS
1950 — Alatortsev, Vladimir N. vs Averbakh, Yuri L — 1/2-1/2 — ?
1952 — Najdorf, Miguel vs Reshevsky, Samuel — 1/2-1/2 — San Salvador ESA

5…b6 — 16.2% (561 parties)

1926 — Bogoljubow, Efim vs Saemisch, Friedrich — 1/2-1/2 — Munich GER
1935 — Korody Keresztely, Imre vs Steiner, Endre — 1/2-1/2 — Tatatovaros
1938 — Reshevsky, Samuel vs Alekhine, Alexander — 1/2-1/2 — Nederland
1941 — Luckis, Marcos vs Stahlberg, Gideon — 0-1 — Mar del Plata ARG
1946 — Levenfish, Grigory vs Kottnauer, Cenek — 0-1 — Leningrad RUS

5…Bxc3+ — 3.8% (133 parties)

1978 — Dyker, Gerald vs Ehring, B — 1-0 — GER
1979 — Gonzalo Gonzalez, Francisco vs Gutierrez Herrera, Jose Antonio — 1/2-1/2 — Manizales
1992 — Stajcic, Nikola M vs Golovin, Leonid — 1/2-1/2 — Budapest HUN
1994 — Rios Garcia, Miguel vs Sanz Alonso, Francisco Javier — 0-1 — Mislata
1996 — Radnoti, Gergely vs Tamas, Gyorgy — 0-1 — HUN

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