E26c — Nimzo-Indian: Saemisch, O’Kelly Variation
1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.e3 b6 * ○ Trait aux Blancs
Ouverture — Centre semi-ouvert
♔ Point de vue Blancs
8
7
6
5
4
3
2
1
abcdefgh
Avantages : paire de fous, colonne b.
Faiblesses adverses : arriéré d7, Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, arriéré c3, isolé a3, 5 pièces non développées (G1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nf3 — Développer Ng1
● Bd2 — Développer Bc1
● Bd3 — Développer Bf1
● Rb — Tour sur colonne b
Faiblesses adverses : arriéré d7, Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, arriéré c3, isolé a3, 5 pièces non développées (G1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nf3 — Développer Ng1
● Bd2 — Développer Bc1
● Bd3 — Développer Bf1
● Rb — Tour sur colonne b
♚ Point de vue Noirs
1
2
3
4
5
6
7
8
hgfedcba
Faiblesses adverses : arriéré c3, isolé a3, Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, arriéré d7, 4 pièces non développées (B8, C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...d5 — Rupture
● ...e5 — Rupture
Problèmes : roi au centre, Bc8 enfermé, arriéré d7, 4 pièces non développées (B8, C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...d5 — Rupture
● ...e5 — Rupture
Avantages
Faiblesses adverses
Diagonale active
Plans
Structure de pions
| ♔ Blancs | ♚ Noirs | |
| Pions doublés | ● c3, ● c4 | — |
| Pions isolés | ● a3 | — |
| Arriérés | ● c3 | ● d7 |
| Chaînes | ● f2→e3, c3→d4, e3→d4 | ● b6→c5, a7→b6, d7→e6, f7→e6 |
| Passés | — | — |
| Majorité | — | — |
Cases
| ♔ Blancs | ♚ Noirs | |
| Cases fortes | — | — |
| Cases faibles | — | — |
| Centre | ● d4 (3v1), ● e5 (1v0) | ● d5 (2v1), ● e4 (1v0) |
Colonnes et diagonales
| ♔ Blancs | ♚ Noirs | |
| Semi-ouvertes | ● b | — |
Pièces
| ♔ Blancs | ♚ Noirs | |
| Bc1 | ● Bc1 Non développé (mob. 2) | |
| Bf1 | ● Bf1 Non développé (mob. 2) | |
| Bc8 | ● Bc8 Non développé (mob. 2) | |
| Paire de fous | ● Oui | Non |
| Non développées | 5 (g1, 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 | ● d4-d5, ● e3-e4, ● f2-f3 | ● …d7-d6, ● …d7-d5, ● …e6-e5 |
| Partie |
|---|
| ? 2000 – Round ? – Russell Chege – 0-1 – Gulko, Boris – G37 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8 |
| 1945 Moskou ch-URS – Round 1 – Kotov Lundqvist, Alex – 1/2-1/2 – Alatortsev, Vladimir N. – G42 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 e5 10. O-O d6 |
| 1946 Treybal Memorial – Round 10 – Najdorf, Miguel – 1-0 – Rohacek, Ivan – G53 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Nc6 8. Nf3 Ba6 9. e4 cxd4 10. cxd4 d5 |
| 1949 Venice – Round 3 – Gligorić, Svetozar – 1/2-1/2 – Mueller, Hans – G27 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 d6 9. Ne2 Nc6 10. O-O Qe7 |
| 1950 Bled – Round 6 – Najdorf, Miguel – 1-0 – Matanovic, Aleksandar – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. Nf3 O-O 9. Qc2 d5 10. cxd5 exd5 |
| 1950 Dubrovnik olm – Round 1 – Mastichiadis, Fotis – 0-1 – O'Kelly, Albéric de Galway – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8 |
| 1950 Dubrovnik olm – Round 10 – Castillo Bermudez, Manuel – 0-1 – O'Kelly de Galway, Alberic – G143 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8 |
| 1950 Dubrovnik olm – Round 12 – Mastichiadis, Fotis – 0-1 – Euwe, Max – G172 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8 |
| 1950 Dubrovnik olm – Round 8 – Gligorić, Svetozar – 1/2-1/2 – Beni, Alfred – G104 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. O-O d6 |
| 1950 Schiavno Zdroj – Round 1 – Simagin, Vladimir – 1/2-1/2 – Foltys, Jan – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 d6 10. O-O Nd7 |
| 1951 Marianske Lazne zt – Round 1 – Stoltz, Gabriel – 0-1 – Pachman, Ludek – G6 1. c4 e6 2. Nc3 Nf6 3. d4 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. a4 d6 |
| 1951 Paignton Premier – Round 1 – Goodman, John Bertram – 0-1 – Barden, Leonard – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 O-O 9. e4 Ne8 10. Be3 d6 |
| 1951 Paignton Premier – Round 5 – Donner, Jan-Hein – 0-1 – Euwe, Max – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. Nf3 Ne4 9. O-O f5 10. Bb2 O-O |
| 1951 Schlechter Memorial – Round ? – Steiner, Herman – 1/2-1/2 – Mueller, Hans – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 d6 9. Ne2 Nc6 10. e4 Nd7 |
| 1951 Vienna 5152 – Round 6 – Kovacs, MG. – 1-0 – Matanovic, Aleksandar – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8 |
| 1951 World chJ U20 1st – Round 10.6 – Selzer, Edgar – 0-1 – Ivkov, Borislav – G32 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 O-O 9. Ne2 Nc6 10. e4 Ne8 |
| 1952 Helsinki olm – Round 1 – Doerner, Charles – 0-1 – German, Eugenio – G65 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. f3 O-O 8. e4 Ne8 9. Be3 d6 10. Ne2 Nc6 |
| 1952 Helsinki olm – Round 1 – Enevoldsen, Harald – 1/2-1/2 – Hooper, David – G64 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. O-O Rc8 |
| 1952 Helsinki olm – Round 1 – Szabo, Ladislav – 1-0 – German, Eugenio – G8 1. c4 e6 2. d4 Nf6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8 |
| 1952 Hollywood – Round 1 – Pafnutieff, Vladimir – 0-1 – Gligorić, Svetozar – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. O-O Ba6 |
| 1952 Hungary Ch – Round 11 – Koberl, Ferenc – 1/2-1/2 – Pogats, Jozsef Jr. – G62 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. O-O Rc8 |
| 1952 POL-ch10 – Round 10 – Boleslawski Zbigniew – 1-0 – Gawlikowski, Stanislaw – G70 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 d6 9. Ne2 Nc6 10. O-O O-O |
| 1952 Rio de Janeiro – Round 9 – Rabar, Braslav – 1-0 – Szentkiralyi Toth, Vince – G47 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8 |
| 1952 URS ch sf – Round 3 – Koblencs, Alexander – 1/2-1/2 – Kan, Ilya A – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Nc6 8. Ne2 Ba6 9. e4 O-O 10. Bg5 h6 |
| 1953 Bucharest – Round 11 – Szabo, Ladislav – 0-1 – Sliwa, Bogdan – G104 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 Rc8 10. e4 d6 |
| 1953 Bucharest – Round 15 – Spassky, Boris Vasily – 1/2-1/2 – O'Kelly de Galway, Alberic – G142 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8 |
| 1953 Budapest HUN – Round ? – Sallay, Roland – 1-0 – Flesch, Janos – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. O-O Na5 |
| 1953 URS chT sf – Round ? – Antoshin, Vladimir S – 1-0 – Poliak, Denis – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 O-O 9. e4 Ne8 10. d5 f5 |
| 1954 Amsterdam olm – Round 1 – Kelly, Terry – 0-1 – Andersen, Borge – G46 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. Nf3 O-O 9. O-O Be4 10. Ng5 Bxd3 |
| 1954 DDR Ch 05th – Round 12 – Kuhn, Paul – 1-0 – Fuchs, Reinhart – G62 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 Na5 10. e4 d6 |
| 1954 Olympiad final A – Round 1 – Milev, Zdravko – 0-1 – Olafsson, Fridrik – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8 |
| 1954 Olympiad final B – Round 1 – Beni, Alfred – 0-1 – O'Kelly, Albéric de Galway – G3 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 Rc8 10. e4 Na5 |
| 1954 Olympiad final B – Round 12 – Cs. Kovacs, Laszlo – 1/2-1/2 – Noradounghian, Georges – G74 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 Nc6 9. e4 d6 10. Ne2 e5 |
| 1954 Olympiad prel IV – Round 1 – Neu, Alexandre – 0-1 – O'Kelly, Albéric de Galway – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. Nf3 d6 9. O-O Nc6 10. e4 e5 |
| 1954 Prague zt – Round 18 – Balanel, Ion – 0-1 – Olafsson, Fridrik – G101 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 Nc6 9. e4 cxd4 10. cxd4 Nxd4 |
| 1955 Budapest – Round 1 – Somogyi, Istvan – 0-1 – Barczay, Laszlo – G33 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 O-O 9. Ne2 d6 10. O-O Nc6 |
| 1955 Hastings5556 – Round 6 – Diez del Corral, Jesus – 0-1 – Persitz, Raaphi – G26 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. Nf3 d6 9. O-O Qd7 10. Re1 Nc6 |
| 1955 Long Beach US-open – Round 10 – Dake, Arthur William – 1/2-1/2 – Turner, Abe J – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 O-O 9. Ne2 Nc6 10. e4 Ne8 |
| 1955 Poland ch13 – Round 5 – Kwapisz, Stanislaw – 1-0 – Sliwa, Bogdan – G18 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 Na5 10. e4 Ba6 |
| 1955 URS Ch sf – Round 1 – Cherepkov, Alexander V – 1/2-1/2 – Kholmov, Ratmir D – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8 |
| 1955 URS Ch sf – Round 1 – Vladimirov, Boris T – 0-1 – Kholmov, Ratmir D – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8 |
| 1956 BCF Major Open – Round 4 – Richards, DJ. – 0-1 – Cafferty, Bernard – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 Bb7 8. Ng3 O-O 9. Bd3 Nc6 10. e4 Ne8 |
| 1956 BCF Major Open – Round 9 – Banda Howard – 0-1 – Cafferty, Bernard – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8 |
| 1956 Candidats Tournament – Round 2 – Geller, Efim P – 0-1 – Smyslov, Vladimir – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 Nc6 8. Ng3 O-O 9. Bd3 Ba6 10. e4 Ne8 |
| 1956 JUG-URS – Round ? – Averbakh, Yuri L – 1-0 – Rabar, Braslav – G23 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 O-O 8. Ng3 Nc6 9. e4 Ne8 10. Be3 d6 |
| 1956 JUG-URS – Round 1 – Geller, Efim P – 1-0 – Djurasevic, Bozidar – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 Nc6 8. Ng3 O-O 9. Bd3 Ba6 10. e4 Ne8 |
| 1956 Leningrad ch-URS – Round 8 – Polugaevsky, Lev – 0-1 – Averbakh, Yuri L – G132 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. O-O Na5 |
| 1957 DDR Ch 08th – Round 13 – Golz, Werner – 1/2-1/2 – Braun, Gottfried, Dr. – G81 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Ne2 Nc6 8. Ng3 O-O 9. e4 Ne8 10. Be3 Ba6 |
| 1957 Minsk zt – Round 16 – Uusi, Gunnar – 1/2-1/2 – Barshauskas, Vitautas – G110 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8 |
| 1957 Reykjavik ol stud tt – Round ? – Kolarov, Atanas S. – 1/2-1/2 – Persitz, Raaphi – G32 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 d6 10. e4 Qd7 |
| 1957 Rio de Janeiro zt – Round 1 – Rubio Aguado, Fernando – 1/2-1/2 – Najdorf, Miguel – G12 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Nc6 8. Nf3 d6 9. e4 e5 10. h3 Qc7 |
| 1957 URS Ch, semi final – Round 4 – Vladimirov, Boris T – 0-1 – Gipslis, Aivars – G55 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 O-O 8. Ng3 Ba6 9. e4 d5 10. Bg5 h6 |
| 1959 FRG Ch Nuerenberg GER – Round 7 – Lehmann, Heinz – 1-0 – Weise, Dieter – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 Ba6 8. Ng3 Qc7 9. e4 d6 10. Bf4 cxd4 |
| 1961 Baku ch-URS – Round 19 – Vladimirov, Boris T – 0-1 – Shamkovich, Leonid – G173 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 Nc6 8. Ng3 d6 9. e4 e5 10. dxc5 dxc5 |
| 1961 Bled – Round 12 – Germek, Milan – 1/2-1/2 – Pachman, Ludek – G111 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 O-O 8. Ng3 Nc6 9. Bd3 Ba6 10. e4 Ne8 |
| 1961 CSR Ch – Round 5 – Trapl, Jindrich – 1-0 – Marsalek, Josef – G42 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 Rc8 10. e4 d6 |
| 1961 Graz 1st – Round 5 – Robatsch, Karl – 0-1 – Pachman, Ludek – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 O-O 8. Ng3 Nc6 9. Bd3 Ba6 10. O-O Na5 |
| 1961 Oberhausen etc – Round 3 – Trapl, Jindrich – 1-0 – Tolush, Alexander – G83 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 Ba6 8. Ng3 Nc6 9. e4 O-O 10. Bg5 h6 |
| 1961 Palanga Baltic Ch – Round ? – Buslaev, Aleksander – 1/2-1/2 – Vistaneckis, Isakas – G6 1. c4 e6 2. d4 Nf6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8 |
| 1962 LAT Ch – Round ? – Mileika, Janis – 0-1 – Gipslis, Aivars – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 O-O 9. Ne2 Nc6 10. e4 Ne8 |
| 1962 Marianske Lazne – Round 6 – Kluger, Gyula – 1/2-1/2 – Djurasevic, Bozidar – G40 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 O-O 8. Ng3 d5 9. cxd5 exd5 10. Bd3 Ba6 |
| 1962 Varna olm – Round 7 – Colon Cortegoso, Marta – 1/2-1/2 – Gunsberger, Alexander – G289 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Nf3 O-O 8. Bd3 Bb7 9. O-O Ne4 10. Bxe4 Bxe4 |
| 1963 Capablanca Memorial – Round 20 – Calero, Ivan – 0-1 – Ivkov, Borislav – G186 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. a4 Nc6 8. Ba3 d6 9. Nf3 O-O 10. Bd3 Ba6 |
| 1964 Hoogovens-B – Round 4 – Muller, Hans P – 1/2-1/2 – Kieninger, Georg – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 Ba6 8. Ng3 Qc7 9. e4 cxd4 10. cxd4 Bxc4 |
| 1964 URS – Round ? – Donchenko, Anatoly – 1-0 – Liberzon, Vladimir M – G5 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Ne2 O-O 8. Ng3 Nc6 9. Bd3 Ba6 10. Qe2 Qc7 |
| 1964 URS – Round ? – Vladimirov, Boris T – 1-0 – Estrin, Boris – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Ne2 O-O 8. Ng3 Bb7 9. Bd3 Nc6 10. O-O Ne8 |
| 1965 BRA Ch 32th – Round 11 – Cotta, Eduardo – 1-0 – Alves, Francisco H B Severino – G34 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 O-O 9. e4 d6 10. Bg5 Nbd7 |
| 1965 IBM I – Round 7 – Szabo, Ladislav – 1-0 – Zuidema, Coen – G10 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 O-O 9. e4 Ne8 10. Be3 Nc6 |
| 1967 Buenos Aires VC Ch – Round 9 – Morgado, Juan Sebastian – 0-1 – Castelli, Raul A – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 d6 10. O-O Qc7 |
| 1968 CCOL5 fin 6568 – Round ? – Parr, Frank – 0-1 – Sauermann, Wilfried – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 Bb7 8. f3 O-O 9. Ng3 Nc6 10. Be2 Na5 |
| 1969 Corr – Round ? – Nielsen, Axel – 1/2-1/2 – Pedersen, Svend – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 Rc8 10. e4 Na5 |
| 1970 IBM – Round 11 – Piket, Jeroen – 0-1 – Tatai, Stefano – G52 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 O-O 9. e4 Ne8 10. Ne2 Nc6 |
| 1972 Skopje ol (Men) fin-A – Round 6 – Garcia Rodriguez, Raimundo – 1-0 – Hamann, Svend – G150 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Ne2 Bb7 8. Ng3 Qc7 9. e4 d6 10. d5 Nbd7 |
| Saint Louis Blitz 2024 - Round 11 - Caruana Fabiano - 1/2-1/2 - So Wesley - G52 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 Bb7 8. f3 O-O 9. e4 Ne8 10. Nh3 Nc6 |
| Superbet Rapid & Blitz Poland 2025 – Round 12 – Firouzja Alireza – 0-1 – Praggnanandhaa R – G58 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 O-O 10. e4 Ne8 |
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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E26 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.e3 - Nimzo-Indian [+0.19], E26c - 6…b6 - Saemisch O’Kelly Variation [-0.20], SÉRIE E
1945 Moskou ch-URS – Round 1 – Kotov Lundqvist, Alex – 1/2-1/2 – Alatortsev, Vladimir N. – G42

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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E26 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.e3 - Nimzo-Indian [+0.19], E26c - 6…b6 - Saemisch O’Kelly Variation [-0.20], SÉRIE E
1950 Dubrovnik olm – Round 1 – Mastichiadis, Fotis – 0-1 – O’Kelly, Albéric de Galway – G5

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- E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence, E26 - 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.e3 - Nimzo-Indian [+0.19], E26c - 6…b6 - Saemisch O’Kelly Variation [-0.20], SÉRIE E
1950 Dubrovnik olm – Round 10 – Castillo Bermudez, Manuel – 0-1 – O’Kelly de Galway, Alberic – G143

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Botvinnik, Mikhail — 3 parties
Smyslov, Vladimir — 1 partie
1946 — Najdorf, Miguel vs Rohacek, Ivan — 1-0 — Prague CZE
1949 — Gligorić, Svetozar vs Mueller, Hans — 1/2-1/2 — Venice ITA
1949 — Beni, Alfred vs Bhend, Edwin — 1/2-1/2 — Arbon
1950 — Mastichiadis, Fotis vs Euwe, Max — 0-1 — Dubrovnik CRO
1956 — Averbakh, Yuri L vs Rabar, Braslav — 1-0 — Belgrade SRB
1956 — Geller, Efim P. vs Smyslov, Vasily — 0-1 — Amsterdam NED
1956 — Geller, Efim P. vs Smyslov, Vasily — 0-1 — Amsterdam ct
1956 — Geller, Efim P. vs Smyslov, Vladimir — 0-1 — Amsterdam NED
1959 — Wallis, Philip N vs Cafferty, Bernard — 1/2-1/2 — ?
1960 — Wallis, Philip N vs Wilkinson, Bernard Landon — 1-0 — Coventry ENG
1961 — Ilinsky, Yury vs Seoev, Robert — 1-0 — Novgorod RUS
1961 — Ilinsky, Yury vs Rosenfeld, Isai K — 0-1 — Novgorod RUS
1968 — Gandia Vano, Erik vs Buerger, E. — 0-1 — Illinois Open
1988 — Ntailanis, N. vs Georghiou, Antonis — 1/2-1/2 — ?
2007 — Fuertes Guevara, Francisco Javier vs Alzola, Enrique — 1-0 — ICCF
2008 — Merino Araguas, Jose Javier vs Esquivias Gomez, Francisco Javier — 1/2-1/2 — Madrid ESP