E58 — Nimzo-Indian: Main Line, 9.bxc3 Qc7 10.cxd5 exd5 11.a4 Re8

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6 8.a3 Bxc3 9.bxc3 Qc7 10.cxd5 exd5 11.a4 Re8 ○ 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 une majorité de pions à l'centre (2 contre 1), la case forte b5, un fou actif en d3, la paire de fous et la colonne semi-ouverte b.

Côté adverse. Le fou enfermé en c8 et une pièce en prise (le pion en c5).

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1) et le pion isolé a4.

Plans. Bd2 (Développer Bc1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte e4.

Atouts. Les Noirs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), les cases fortes e4 et g4, un avant-poste en e4 et la colonne semi-ouverte e.

Côté adverse. Le pion isolé a4 et le fou enfermé en c1.

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

Plans. ...Bg4 (Développer Bc8, clouer Nf3) ; ...c4 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	● a4	—
Arriérés	—	—
Chaînes	● f2→e3, c3→d4, e3→d4	—
Passés	—	—
Majorité	● centre 2v1	● aile_dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0)	● e4 (3v1), ● g4 (2v0)
Cases faibles	—	● e5
Centre	● d4 (3v2)	● d5 (1v0), ● e4 (3v1), ● e5 (3v2)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● b	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 3)
Bd3	● Bd3 Actif (mob. 10)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	Non
Non développées	2 (● c1, ● a1)	2 (● c8, ● a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c3-c4, ● e3-e4	● …c5-c4

Partie
1911 San Sebastian – Round 8 – Burn, Amos – 1-0 – Bernstein, Olivia – G46 1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Nf3 Nf6 5. e3 O-O 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. Qc2 cxd4
1929 Karlsbad – Round 1 – Johner, Paul – 0-1 – Matisons, Hermanis – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 d5 6. e3 c5 7. Bd3 Nc6 8. Nf3 O-O 9. O-O b6 10. cxd5 exd5
1932 Berlin Ch – Round 6 – Rellstab, Ludwig – 1/2-1/2 – Saemisch, Friedrich – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 c5 6. Bd3 Nc6 7. O-O O-O 8. a3 Bxc3 9. bxc3 b6 10. Bb2 Na5
1935 Warsaw ol – Round 1 – Nielsen, Julius – 0-1 – Muller, Hans – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. Bb2 cxd4
1936 Dresden – Round 4 – Stahlberg, Gideon – 1-0 – Saemisch, Friedrich – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1937 Kemeri – Round 1 – Landau, Salo – 0-1 – Keres, Paul Petrovich – G45 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 d5 7. O-O O-O 8. a3 Bxc3 9. bxc3 b6 10. Ne5 Nxe5
1938 AVRO – Round 1 – Alekhine, Alexander – 1/2-1/2 – Keres, Paul – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 O-O 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. a4 cxd4
1939 Amsterdam m ch-NED – Round 1 – Landau, Salo – 1/2-1/2 – Euwe, Max – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1941 Leningrad/Moscow – Round 3 – Lilienthal, Andor – 1/2-1/2 – Keres, Paul – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 Nc6 7. O-O O-O 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1946 Pittsburgh Open – Round 1 – Byrne, Ray – 1/2-1/2 – Forster Arenas, Fernando – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 Nc6 8. Nf3 d5 9. O-O Qc7 10. Qe2 b6
1947 GBR Ch 34th – Round 10 – Blow, Ronald – 1/2-1/2 – Broadbent, Reginald – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. Nf3 Nc6 9. O-O b6 10. Bb2 Bb7
1948 Nijmegen – Round 4 – Henneberke, Frans – 1-0 – Baay, Jacob – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 c5 6. a3 Bxc3+ 7. bxc3 O-O 8. Bd3 Nc6 9. O-O b6 10. cxd5 exd5
1951 YUG Ch 6th – Round 3 – Simonovic, Borko – 0-1 – Matanovic, Aleksandar – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. Bb2 Ba6
1952 GBR Ch U18 – Round 8 – Sanderson, Peter Darrell – 1/2-1/2 – Cafferty, Bernard – G8 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 d5 7. O-O O-O 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1952 Helsinki olm – Round 1 – Byrne, Ray – 1-0 – Skold, Kent-Ake – G51 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 Nc6 7. O-O O-O 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1952 Moscow Ch – Round 1 – Lilienthal, Andor – 1-0 – Averbakh, Yuri L – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1952 URS Ch sf – Round ? – Taimanov, Mark E – 1/2-1/2 – Bondarevsky, Igor – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1953 Buenos Aires m – Round 10 – Najdorf, Miguel – 1-0 – Reshevsky, Samuel – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1953 Candidats Tournament – Round 11 – Euwe, Max – 0-1 – Averbakh, Yuri L – G68 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1953 Candidats Tournament – Round 12 – Keres, Paul Petrovich – 0-1 – Averbakh, Yuri L – G74 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. Ne5 Bb7
1953 Candidats Tournament – Round 15 – Smyslov, Vladimir – 1/2-1/2 – Petrosian, Tigran A. – G92 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1953 Candidats Tournament – Round 2 – Reshevsky, Samuel – 1/2-1/2 – Petrosian, Tigran V – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1953 Candidats Tournament – Round 20 – Taimanov, Mark E – 1-0 – Petrosian, Tigran V – G130 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1953 GER Ch 15th – Round 3 – Niephaus, Walter – 1/2-1/2 – Koch, Berthold – G6 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. a4 Qc7
1953 Zagreb – Round 8 – Janosevic, Dragoljub – 1-0 – Puc, Stojan – G71 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 d5 7. O-O O-O 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1954 Belgrade – Round 2 – Rabar, Braslav – 1/2-1/2 – Petrosian, Tigran A. – G36 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1954 Mar del Plata – Round 13 – Najdorf, Miguel – 1-0 – Wexler, Bernardo – G99 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1954 Mar del Plata zt Mar – Round 13 – Najdorf, Miguel – 1-0 – Wexler, Bernardo – G8 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1955 Argentina – Round 15 – Reinhardt, Heinrich – 0-1 – Corte, Cesar J – G105 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1955 Gothenburg Interzonal – Round 1 – Geller, Efim P – 1-0 – Sliwa, Bogdan – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1955 Gothenburg Interzonal – Round 3 – Bronstein, David I – 1-0 – Sliwa, Bogdan – G21 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1955 Gothenburg Interzonal – Round 5 – Rabar, Bakhtyar Hamasaleh – 0-1 – Sliwa, Bogdan – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1955 Hoogovens – Round 4 – Kramer, Haije – 1-0 – Bergsma, Alois – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1955 Long Beach US Open – Round 9 – Steinmeyer, Robert – 0-1 – Zalys, Ignas – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 Nc6 7. O-O O-O 8. a3 Bxc3 9. bxc3 b6 10. a4 Qc7
1955 Moscow Ch – Round 14 – Shcherbakov, Vitaly – 0-1 – Simagin, Vladimir – G83 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 O-O 8. Nf3 d5 9. O-O b6 10. cxd5 exd5
1955 Novi Sad – Round 11 – Vospernik, Zdravko – 1/2-1/2 – Djurasevic, Bozidar – G87 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1955 Poland ch13 – Round 4 – Luczynowicz, Waclaw – 1/2-1/2 – Pytlakowski, Andrzej – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. e3 c5 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1956 Candidats Tournament – Round 1 – Geller, Efim P – 1-0 – Petrosian, Tigran V – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 O-O 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. Qc2 Na5
1956 Candidats Tournament – Round 5 – Bronstein, David I – 1/2-1/2 – Szabo, Laszlo – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1956 Danmarksmesterskabet – Round 10 – Nielsen, Hartvig – 1/2-1/2 – Norman Hansen, Holger – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Na5 10. Ne5 Qc7
1956 Leningrad ch-URS – Round 1 – Borisenko, Georgy K – 1/2-1/2 – Khasin, Abram – G35 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. Qc2 Na5
1956 Marianske Lazne/Praha – Round 11 – Uhlmann, Wolfgang – 1/2-1/2 – Ragozin, Viacheslav – G72 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. a4 Rd8
1956 Marianske Lazne/Praha – Round 13 – Jezek, Jaroslav – 1-0 – Ragozin, Viacheslav – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 Nc6 7. O-O O-O 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1956 Moscow olm prel – Round 8 – Niemela, Ilmari Aarne – 1-0 – Venkataramanan, T.S. – G248 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1956 Moskou olm – Round 1 – Thorbergsson, Freysteinn – 1/2-1/2 – Venkataramanan, T.S. – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1956 URS Ch sf – Round ? – Borisenko, Georgy K – 1/2-1/2 – Vasilchuk, Yury – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1957 FRG Ch – Round 5 – Rellstab, Ludwig – 1-0 – Schipl – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. Qc2 Na5
1957 Gotha – Round 1 – Uhlmann, Wolfgang – 0-1 – Milic Dobos, Simun – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Bd3 O-O 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. Bb2 Na5
1957 It Gotha GER – Round 9 – Golz, Werner – 0-1 – Sliwa, Bogdan – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1957 Madrid – Round 6 – Franco Raymundo, Eduardo – 1/2-1/2 – Diez del Corral, Jesus – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. h3 b6
1957 Minsk zt – Round 19 – Boleslavsky, Isaac – 1/2-1/2 – Uusi, Gunnar – G134 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1957 Reykjavik – Round 7.2 – Berthold, Andreas – 1-0 – Yepez, Olavo – G46 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. Bb2 Qc7
1957 Reykjavik ol stud tt – Round 3.1 – Diaz Munos, Nestor Mauricio – 1-0 – Olafsson, Fridrik – G18 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. Qc2 Ba6
1957 San Benedetto – Round 8 – Mueller, Hans – 1/2-1/2 – Giustolisi, Alberto – G39 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. Bb2 Rd8
1957 URS Ch, semi final – Round 1 – Taimanov, Mark E – 1-0 – Bagirov, Vladimir – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1957 URS Ch, semi final – Round 15 – Bannik, Anatolij – 1-0 – Blagidze, Alexander – G133 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1957 URS Ch, semi final – Round 15 – Prokhorovich, Taras E – 0-1 – Averbakh, Yuri L – G143 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. Qc2 Na5
1957 Warchau ch POL – Round 7 – Galewicz, Marek – 1/2-1/2 – Sliwa, Bogdan – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. Ne5 Nxe5
1957 Zonal (Men) Wageningen NED – Round 12 – Alster, Ladislav – 1/2-1/2 – Trifunovic, Petar – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. Qc2 Na5
1958 Argentina – Round 12 – Emma, Jaime – 1-0 – Espinosa Flores, Rafael Emilio – G94 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1958 Argentina – Round 8 – Garcia Vera, Romeo – 0-1 – Espinosa Flores, Rafael Emilio – G62 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. e3 c5 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1958 Haifa/Tel Aviv – Round 1 – Szabo, Laszlo – 1/2-1/2 – Persitz, Raaphi – G1 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1958 Munich olm fin-A – Round 1 – Keres, Paul Petrovich – 1/2-1/2 – Evans, Larry M – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1958 Munich olm fin-A – Round 8 – Lokvenc, Josef – 0-1 – Rossolimo, Nicolas – G75 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1958 Riga ch-URS – Round 1 – Bannik, Anatolij – 0-1 – Averbakh, Yuri L – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1958 URS-ch25 – Round ? – Tolush, Alexander V – 1/2-1/2 – Averbakh, Yuri L – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1958 Yugoslavia – Round 2 – Bertok, Mario Jr. – 1/2-1/2 – Krogius, Nikolai V – G6 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1959 ch – Round 11 – Gromek, Jozef – 1-0 – Filipowicz, Andrzej – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 d5 6. Bd3 O-O 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1959 Hastings5960 – Round 5 – Gligorić, Svetozar – 1-0 – Burger, Hein – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1959 Tbilisi ch-URS – Round 6 – Kortchnoi, V. – 1-0 – Gurgenidze, B. – G46 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 Nc6 7. O-O d5 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1959 URS Team Ch – Round ? – Tolush, Alexander V – 0-1 – Arulaid, Alexander – G105 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1960 Balatonfured – Round 2 – Damjanovic, Mato – 1-0 – Sliwa, Bogdan – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1960 Buenos Aires ch-ARG – Round 3 – Bielicki, Carlos – 1-0 – Aguayo Cruz, Ramon Uriel – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1960 Buenos Aires ch-ARG – Round 9 – Schweber, Samuel – 1-0 – Espinosa Flores, Rafael Emilio – G63 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1960 BUL-ch14 Sofia BUL – Round 4 – Radev, Nikolai – 1-0 – Popov, Luben – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 d5 7. O-O O-O 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1960 Clare Benedict Cup 07th – Round 2 – Pfeiffer, Gerhard – 0-1 – Haygarth, Michael J – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. Bb2 Rd8
1960 Leipzig olm fin-B – Round 1 – Lindblom, Per – 1-0 – Persitz, Raaphi – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1960 Leipzig olm prel – Round 3 – Najdorf, Miguel – 1/2-1/2 – Sliwa, Bogdan – G78 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1960 Leipzig olm prel – Round 3 – Salas Romo, Julio – 1-0 – Troianescu, Octav – G87 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. Qc2 Re8
1960 Leipzig olm prel – Round 5 – Garcia Martinez, Silvino – 1/2-1/2 – Troianescu, Octav – G166 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1960 Ljubljana – Round 4 – Gligoric, Sofija – 1-0 – Vukovic, Maksimilijan – G37 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1960 Ljubljana – Round 5 – Vukovic, Maksimilijan – 1/2-1/2 – Puc, Stojan – G45 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 d5 7. O-O O-O 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1960 UKR Ch sf – Round 12 – Kurass, Iskir – 1/2-1/2 – Nikolaevsky, Yuri V – G75 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1960 UKR Ch sf – Round 14 – Kostiuchenko, Alexander – 1/2-1/2 – Nikolaevsky, Yuri V – G86 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1960 Zonal (Men) Budapest HUN – Round 6 – Raisa, Unto – 1/2-1/2 – Mititelu, Gheorghe – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1961 Bled – Round 7 – Geller, Efim P – 1/2-1/2 – Matanovic, Aleksandar – G67 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 O-O 8. Nf3 d5 9. O-O Qc7 10. cxd5 exd5
1961 Buenos Aires CA – Round 5 – Cruz, Raul C. – 1-0 – Espinosa Flores, Rafael Emilio – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1961 Buenos Aires CA – Round 7 – Goldenberg, Edgardo – 0-1 – Espinosa Flores, Rafael Emilio – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1961 Buenos Aires Villa – Round 1 – Cruz, Raul C. – 1/2-1/2 – Espinosa Flores, Rafael Emilio – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1961 Kiel – Round 1 – Schneider, Werner – 1-0 – Saemisch, Friedrich – G1 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 d5 6. Bd3 Nc6 7. O-O O-O 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1961 Marianske Lazne zt – Round 1 – Niemela, Ilmari Aarne – 0-1 – Sliwa, Bogdan – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. Ne5 Nxe5
1961 Moskou – Round 1 – Borisenko, Georgy K – 1/2-1/2 – Averbakh, Yuri L – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. Re1 Na5
1961 Sarajevo – Round 2 – Pachman, Ludek – 1-0 – Milic, Bozidar – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1961 URS Ch sf Batumi GEO – Round ? – Roizman, Abram Y – 1-0 – Anokhin, Yuri – G6 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 Nc6 7. O-O O-O 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1962 Candidats Tournament – Round 13 – Filip, Marius Liviu – 0-1 – Korchnoi, Viktor – G47 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1962 GDR Ch Gera GER – Round 17 – Bertholdt, Dieter – 1-0 – Fuchs, Reinhart – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1962 Mar del Plata Latin – Round 1 – Luckis, Marcos – 0-1 – Colon Cortegoso, Marta – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1962 Skopje ch17-YUG – Round 1 – Sokolov, Vladimir – 1/2-1/2 – Matanovic, Aleksandar – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1962 URS Team Ch – Round ? – Taimanov, Mark E – 1-0 – Averbakh, Yuri L – G146 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. Bb2 Na5
1962 URS Team Ch – Round 1 – Korelov, Alexander P – 1-0 – Zlotnik, Boris A – G31 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 Nc6 6. Bd3 d5 7. O-O O-O 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1962 URS-ch30 – Round ? – Khodos, German – 1/2-1/2 – Zaitsev, Igor A – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 O-O 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1962 Varna olm – Round 1 – Donner, Jan-Hein – 1/2-1/2 – Pachman, Ludek – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1962 Varna olm – Round 2 – Raisa, Unto – 1/2-1/2 – Sliwa, Bogdan – G80 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Nf3 c5 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1962 Varna olm – Round 4 – Soos, Bela – 1-0 – Abdel Mohsen Ammar, Mohamed – G163 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1963 CSR Ch – Round 16 – Hybl, Jaroslav – 0-1 – Pachman, Ludek – G143 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1963 JUG-URS – Round 3 – Gligorić, Svetozar – 1/2-1/2 – Averbakh, Yuri L – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1963 Kiev Avantgard Ch – Round ? – Kurass, Iskir – 0-1 – Sakharov, Yuri N – G2 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1963 Leningrad Ch – Round ? – Cherepkov, Alexander V – 0-1 – Reshko, Aron – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. Bb2 Na5
1964 Amsterdam Interzonal – Round 16 – Berger, Benedikt – 1/2-1/2 – Pachman, Ludek – G159 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 O-O 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1964 Chigorin Memorial – Round 3 – Bondarevsky, Igor – 0-1 – Lein, Anatoly – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. Nd2 Rd8
1964 Hoogovens – Round 1 – Van den Berg, Cees – 0-1 – Parma, Bruno – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. Nd2 dxc4
1964 Hoogovens Beverwijk NED – Round 1 – Donner, Jan-Hein – 1/2-1/2 – Parma, Bruno – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1964 URS – Round ? – Cherepkov, Alexander V – 0-1 – Reshko, Aron – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. Bb2 Na5
1965 Gyula – Round 1 – Borisenko, Georgy K – 0-1 – Korchnoi, Viktor – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Re8 10. Ne5 Nxe5
1965 IBM – Round 9 – Donner, Jan-Hein – 1/2-1/2 – Parma, Bruno – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1966 Hungary – Round 1 – Sapi, Laszlo – 1/2-1/2 – Haag, Ervin – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. Bb2 Re8
1966 Kislovodsk – Round 1 – Geller, Efim P – 1-0 – Nikitin, Aleksander S – G2 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. Bb2 Na5
1966 Palma de Mallorca – Round 7 – Portisch, Lajos – 0-1 – Pomar Salamanca, Arturo – G41 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1966 Panamerican – Round ? – Yepez, Olavo – 1/2-1/2 – Garcia Martinez, Silvino – G72 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1966 Panamerican – Round 1 – Pereira Cuellar, Miguel – 1-0 – Bielicki, Carlos – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Re8 10. cxd5 exd5
1966 URS Team Ch – Round ? – Mileika, Janis – 0-1 – Nikitin, Aleksander S – G107 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c5 8. Nf3 Nc6 9. O-O Qc7 10. Ra2 dxc4
1967 Budapest Bajnogsag 8th – Round 13 – Toth, Bela – 0-1 – Kluger, Gyula – G78 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1967 Hoogovens – Round 1 – Gligorić, Svetozar – 1-0 – Pomar Salamanca, Arturo – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1968 Alma Ata ch-URS – Round 1 – Osnos, Viatcheslav – 1-0 – Zakharov, Yan – G6 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 Nc6 7. O-O d5 8. a3 Bxc3 9. bxc3 Qc7 10. Bb2 Na5
1968 Clare Benedict Cup 15th – Round 4 – Donner, Jan-Hein – 1/2-1/2 – Keller, Dieter – G19 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1968 Hastings6869 – Round 5 – Gligorić, Svetozar – 1-0 – Persitz, Raaphi – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5
1968 Lugano ol (Men) fin-B – Round 11 – O'Kelly de Galway, Alberic – 1/2-1/2 – Keller, Dieter – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1968 Lugano SUI – Round 6 – Byrne, Ray – 1-0 – Villaroel, G. – G81 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 O-O 5. e3 d5 6. Bd3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1968 Palma de Mallorca – Round 10 – Gligorić, Svetozar – 0-1 – Korchnoi, Viktor – G89 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1969 Capablanca Memorial – Round 7 – Abreu Rodriguez, Juan Luis – 1/2-1/2 – Panno, Oscar – G52 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. Qc2 Na5
1969 Palma de Mallorca – Round 15 – Pomar Salamanca, Arturo – 1/2-1/2 – Parma, Bruno – G129 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. Qc2 Na5
1969 Palma de Mallorca – Round 5 – Panno, Oscar – 1/2-1/2 – Korchnoi, Viktor – G46 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. cxd5 exd5
1969 YUG Ch 24th – Round 5 – Stupica, Janez – 0-1 – Cvetkovic, Srdjan – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 b6 10. cxd5 exd5

E58 — Main Line, 9.bxc3 Qc7 10.cxd5 exd5 11.a4 Re8

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O Nc6 8.a3 Bxc3 9.bxc3 Qc7 10.cxd5 exd5 11.a4 Re8

Eval: [-0.07]

Les coups candidats

12.Ba3 — 92.4% (509 parties)

Ambassadeurs : Isigkeit, Hans-Jürgen (12x), Peralta, Fernando (8x), Junge, Wolfgang (8x), Veingold, Aleksandr (5x), Kurgansky, Vitaly Ivanovich (5x), Norri, Joose (4x), Almasi, Zoltan (4x), Schmidt, Theo (4x)

12.h3 — 3.6% (20 parties)

Ambassadeurs : Istomin, Aleksandr Vasilievich (2x), Gligoric, Svetozar (1x), Stojanovic, Marija (1x), Djurhuus, Rune (1x), Nielsen, Peter Heine (1x), Tauber, Manfred (1x), Landa, Konstantin (1x), Marzolo, Cyril (1x)

12.dxc5 — 2.4% (13 parties)

Ambassadeurs : Cody, Dr.Philip C. (1x), Kubasky, Alojz (1x), Cuno, Thomas (1x), Bendana-Guerrero, Guy Dr. (1x), Sheppard, Barry S (1x), Douglas, Steve R (1x), Kuosmanen, Kari (1x), Bueno, Telmo Sebastião (1x)

12.Nd2 — 0.7% (4 parties)

Ambassadeurs : Kazakov, Peter (1x), Bocharov, Dmitry (1x), Graf, Adrian (1x), Balogh Urbina, Carlos Alfonso (1x), Maloberti, David (1x), Shields, Glen D (1x), Kaidanov, Gregory (1x), David, Alberto (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	12.Ba3	12.h3	12.dxc5	12.Nd2
<1800	9	89%	11%	—	—
1800-2200	136	91%	4%	4%	1%
2200-2600	332	92%	3%	2%	1%
2600+	18	94%	—	—	6%

Évolution par décennie (% des parties)

Décennie	N parties	12.Ba3	12.h3	12.dxc5	12.Nd2
1950s	2	100%	—	—	—
1960s	1	100%	—	—	—
1970s	3	100%	—	—	—
1990s	47	87%	4%	2%	—
2000s	209	93%	3%	1%	2%
2010s	279	92%	4%	4%	—
2020s	10	100%	—	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
12.Ba3	92%	100%	▲ +7.5%
12.h3	4%	0%	▼ -3.9%
12.dxc5	4%	0%	▼ -3.6%
12.Nd2	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Kramnik, Vladimir — 1 partie
Hou, Yifan — 1 partie

Parties historiques

12.Ba3 — 92.4% (509 parties)

1958 — Bannik, Anatolij vs Averbakh, Yuri L — 0-1 — Riga ch-URS
1959 — Secchi, Eduardo vs Salm, Maxwell — 1-0 — ICCF
1961 — Geller, Efim P. vs Matanovic, Aleksandar — 1/2-1/2 — Bled SLO
1975 — Unzicker, Wolfgang vs Keller, Dieter — 1-0 — ch Switzerland Zurich Switzer
1977 — Gligoric, Svetozar vs Sigurjonsson, Gudmundur — 1/2-1/2 — Ljubljana

12.h3 — 3.6% (20 parties)

1996 — Gligoric, Svetozar vs Stojanovic, Marija — 1/2-1/2 — Yugoslavia Tch
1997 — Djurhuus, Rune vs Nielsen, Peter Heine — 1/2-1/2 — Asker NOR
2003 — Tauber, Manfred vs Landa, Konstantin — 0-1 — Bad Wiessee GER
2004 — Marzolo, Cyril vs Acs, Peter — 1/2-1/2 — Moscow RUS
2007 — Hoehne, Ernst vs Meifert, Dieter — 1-0 — ?

12.dxc5 — 2.4% (13 parties)

1998 — Cody, Dr.Philip C. vs Kubasky, Alojz — 1/2-1/2 — ICCF Email
2002 — Cuno, Thomas vs Bendana-Guerrero, Guy Dr. — 1-0 — ICCF Email
2006 — Sheppard, Barry S vs Douglas, Steve R — 1-0 — ICCF
2010 — Taranto, Gino vs Deforel, Jorge Eduardo — 0-1 — ICCF
2011 — Kuosmanen, Kari vs Bueno, Telmo Sebastião — 1-0 — ICCF

12.Nd2 — 0.7% (4 parties)

2001 — Kazakov, Peter vs Bocharov, Dmitry — 1/2-1/2 — Novosibirsk RUS
2001 — Maloberti, David vs Shields, Glen D — 1/2-1/2 — IECC
2004 — Graf, Adrian vs Balogh Urbina, Carlos Alfonso — 1/2-1/2 — Budapest HUN
2005 — Kaidanov, Gregory vs David, Alberto — 0-1 — Moscow RUS

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