A41u — Neo-Old Indian: Modern, 3.Nc3 Bg7 4.Nf3

1.d4 d6 2.c4 g6 3.Nc3 Bg7 4.Nf3 *   ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bBFou enfermé — mobilité 5
bQ
bKRoi au centre — vulnérable
bN
bR
bP
bP
bP
bP
bP
bB
bP
bP
bP
Case forte (2v0)
Case forte (2v0)
Case forte (2v0)
wP
wPPion central
wN
wN
wP
wP
wP
wP
wP
wP
wR
wBFou actif — mobilité 5
wQ
wK
wB
wR
abcdefgh
Atouts. Les Blancs s'appuient sur les cases fortes b5, d5 et g5 et la paire de fous.

Côté adverse. Le fou enfermé en c8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les fous c1 et f1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; e4 (Centre d4+e4, libère Bf1) ; Be3 (Développer Bc1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wBFou enfermé — mobilité 0
wKRoi au centre — doit roquer
wQ
wBFou enfermé — mobilité 5
wR
wP
wP
wP
wP
wP
wP
wN
wN
wP
wP
Avant-poste F (accessible)
bP
bP
bP
bBFou actif — mobilité 5
bP
bP
bP
bP
bP
bR
bN
bK
bQ
bBFou actif — mobilité 5
bN
bR
hgfedcba
Atouts. Les Noirs s'appuient sur la case forte f5, un avant-poste en f5, un fou actif en g7 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 (les cavaliers b8 et g8, le fou c8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Nbd7 (Développer Nb8) ; ...Nf6 (Développer Ng8) ; ...Bg4 (Développer Bc8, clouer Nf3) ; ...c6 (Rupture).
Avantages
Faiblesses adverses
Diagonale active
Plans

Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● c7→d6, e7→d6, f7→g6, h7→g6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● b5 (2v0), ● d5 (2v0), ● g5 (2v0) ● f5 (2v0)
Cases faibles
Centre ● d4 (2v1), ● d5 (2v0), ● e4 (1v0)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 5)
Bf1 ● Bf1 Non développé (mob. 0)
Bg7 ● Bg7 Actif (mob. 5)
Bc8 ● Bc8 Non développé (mob. 5)
Paire de fous ● Oui ● Oui
Non développées 4 (c1, f1, a1, h1) 5 (b8, g8, c8, a8, h8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Au centre ! ● Au centre !
Droits de roque O-O / O-O-O O-O / O-O-O
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre semi-ouvert
Ruptures ● c4-c5, ● d4-d5, ● e2-e3 ● …c7-c6, ● …c7-c5, ● …d6-d5, ● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5
Partie
1956 CSR Ch – Round 11 – Stulik, Vlastimil – 0-1 – Alster, Ladislav – G94
1. c4 g6 2. Nc3 Bg7 3. d4 d6 4. Nf3 Nd7 5. Bg5 h6 6. Bh4 g5 7. Bg3 f5 8. e3 e5 9. h3 f4 10. Bh2 Ngf6
1959 Stevenson Memorial 7th – Round 7 – Reuben, Stewart – 0-1 – Hindle, Owen M – G5
1. d4 g6 2. c4 Bg7 3. Nf3 d6 4. Nc3 Nc6 5. d5 Ne5 6. Nxe5 Bxe5 7. e4 Bg7 8. Bd3 e5 9. dxe6 Bxe6 10. Nd5 c6
1961 Hoogovens – Round 1 – Gruenfeld, Ernst – 1/2-1/2 – Barendregt, Johan – G9
1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 Nc6 5. d5 Na5 6. Bd2 c5 7. e4 Bd7 8. Be2 a6 9. Qc2 Rb8 10. a4 Qb6
1961 Oberhausen etc – Round 1 – Lengyel, Laszlo – 1/2-1/2 – Weise, Daniel, Dr. – G53
1. Nf3 g6 2. d4 Bg7 3. c4 d6 4. Nc3 e5 5. e3 Nc6 6. Be2 exd4 7. exd4 Nge7 8. d5 Ne5 9. O-O O-O 10. Qd2 Nxf3+
1963 CSR Ch sf – Round 6.4 – Benes, Vratislav – 0-1 – Ujtelky, Maximilian – G26
1. Nf3 g6 2. c4 Bg7 3. d4 d6 4. Nc3 Nc6 5. d5 Na5 6. Bg5 c5 7. e4 Bd7 8. Bd3 a6 9. Qc2 b5 10. Nd2 Rb8
1963 Fortaleza zt – Round 14 – Foguelman, Alberto – 1-0 – Gadia, Olicio – G74
1. d4 g6 2. c4 Bg7 3. Nf3 d6 4. Nc3 Nc6 5. d5 Ne5 6. Nxe5 dxe5 7. e4 e6 8. Be3 Nf6 9. Be2 O-O 10. Qd2 exd5
1964 ESP Ch 29th – Round 18 – Puig, Pedro – 1-0 – Palacios de la Prida, Ernesto – G72
1. c4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 Nc6 5. g3 e5 6. Bg5 f6 7. Bc1 Nh6 8. dxe5 fxe5 9. Bg5 Qd7 10. Nd5 O-O
1964 Kecskemet zt – Round 1 – Clarke, Paul R H – 1/2-1/2 – Prameshuber, Alexander – G5
1. c4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 Nc6 5. d5 Ne5 6. Nxe5 dxe5 7. e4 Nf6 8. Be2 O-O 9. Be3 b6 10. g4 e6
1964 UKR Ch – Round 14 – Kogan, Boris M – 1-0 – Rotstein, Jefim – G87
1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. Nf3 Nd7 5. g3 e5 6. Bg2 Ne7 7. O-O O-O 8. e4 c5 9. d5 h6 10. Nh4 a6
1965 Corr UDAPA – Round ? – Lejarza Alfredo – 1/2-1/2 – Morgado, Juan Sebastian – G3
1. c4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 Nd7 5. e3 e5 6. Be2 Nh6 7. b4 a5 8. Qb3 axb4 9. Qxb4 f5 10. dxe5 Nxe5
1965 Corr Wch5 – Round 1 – Abramson, Moisey – 0-1 – Berliner, Hans – G26
1. Nf3 g6 2. c4 Bg7 3. d4 d6 4. Nc3 e5 5. e3 Nd7 6. a3 Ngf6 7. b4 O-O 8. Bb2 c6 9. Be2 Re8 10. O-O e4
1965 Zagreb – Round 1 – Uhlmann, Wolfgang – 1-0 – Udovcic, Mijo – G11
1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. Nf3 Nc6 5. d5 Ne5 6. Nd2 Nf6 7. e4 O-O 8. Be2 c6 9. O-O a6 10. a4 a5
1966 Sukhumi – Round 2 – Geller, Efim P – 1-0 – Ivkov, Borislav – G10
1. c4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Bg5+ f6 8. O-O-O+ Nd7 9. Bd2 Nh6 10. Rg1 Nf7
1966 URS Ch sf Orel – Round 1 – Osnos, Viatcheslav – 1-0 – Lukin, Andrei M – G1
1. c4 g6 2. Nc3 Bg7 3. Nf3 d6 4. d4 e5 5. e3 Nd7 6. Be2 f5 7. O-O Ngf6 8. c5 e4 9. Ng5 Nb8 10. cxd6 cxd6
1967 Budapest Bajnogsag 8th – Round 8 – Guertler, Jozsef – 0-1 – Ozsvath, Andras – G47
1. c4 g6 2. Nc3 Bg7 3. d4 d6 4. Nf3 Nd7 5. g3 e5 6. dxe5 dxe5 7. Bg2 Nh6 8. O-O O-O 9. Qc2 c6 10. b3 f5
1967 Skopje – Round 1 – Bukic, Enver – 1/2-1/2 – ? – G6
1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. Nf3 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Bg5+ f6 8. O-O-O+ Nd7 9. Bd2 Nh6 10. Rg1 Nf7
1968 Gori – Round 9 – Dzindzichashvili, Roman – 1/2-1/2 – Gurgenidze, Bukhuti – G21
1. d4 g6 2. c4 d6 3. Nf3 Bg7 4. Nc3 e5 5. g3 Bg4 6. dxe5 dxe5 7. Qxd8+ Kxd8 8. Ng5 Nh6 9. Bg2 c6 10. Be3 f6
1968 Hoogovens – Round 1 – Doda, Zbigniew – 1-0 – Hartoch, Robert G – G9
1. Nf3 g6 2. d4 Bg7 3. c4 d6 4. Nc3 e5 5. g3 Nc6 6. d5 Nce7 7. Bg2 f5 8. e4 Nf6 9. O-O O-O 10. Ng5 h6
1968 Wijk aan Zee II – Round 15 – Dunkelblum, Arthur – 1/2-1/2 – Hartoch, Robert G – G58
1. c4 g6 2. Nf3 Bg7 3. d4 d6 4. Nc3 Nc6 5. e3 e5 6. dxe5 Nxe5 7. Nd4 Ne7 8. Be2 O-O 9. O-O a6 10. Nd5 c6
1969 FRG Ch Koenigsfeld GER – Round 12 – Heinicke, Herbert – 0-1 – Teufel, Juergen – G32
1. d4 g6 2. Nf3 Bg7 3. c4 d6 4. Nc3 Nc6 5. Be3 Nf6 6. h3 O-O 7. g3 Bd7 8. Bg2 Qc8 9. Rc1 a6 10. Nd5 Re8
1969 IBM-B – Round 1 – Gerusel, Mathias – 1-0 – Ujtelky, Maximilian – G5
1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. Nf3 Nc6 5. e3 e5 6. d5 Nce7 7. h4 h6 8. h5 g5 9. e4 f5 10. exf5 Bxf5
1969 Pointe-Claire ch CAN – Round ? – Day, Lawrence A. – 1-0 – Suttles, Duncan – G21
1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. Nf3 Nd7 5. Bg5 f6 6. Bh4 Nh6 7. e3 Nf5 8. Bg3 e5 9. Bd3 Nxg3 10. hxg3 f5
1969 Rubinstein Memorial – Round 6 – Schmidt, Waldemar – 1/2-1/2 – Adamski, Jan – G24
1. Nf3 d6 2. d4 g6 3. c4 Bg7 4. Nc3 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Be3 Be6 8. O-O-O+ Nd7 9. Ne4 Ke8 10. Nfd2 f6
1969 Vrsac – Round 11 – Masic, Almir – 1/2-1/2 – Ivkov, Borislav – G67
1. c4 g6 2. Nc3 Bg7 3. d4 d6 4. Nf3 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Bg5+ f6 8. Be3 Be6 9. b3 Nd7 10. h3 Bh6
1969 YUG Ch 24th – Round 16 – Planinec, Albin – 1-0 – Rakic, Tomislav – G59
1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. Nf3 c6 5. Bg5 h6 6. Bh4 Qb6 7. Qd2 g5 8. Bg3 g4 9. c5 Qd8 10. Nh4 dxc5
1970 Palma de Mallorca Interzonal – Round 12 – Ivkov, Borislav – 1/2-1/2 – Suttles, Duncan – G62
1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Bg5+ Ke8 8. O-O-O Bd7 9. Nb5 Na6 10. Bd2 Ne7
1970 Palma de Mallorca Interzonal – Round 18 – Taimanov, Mark – 1-0 – Suttles, Duncan – G68
1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. Nf3 Nd7 5. Bg5 h6 6. Bh4 f5 7. e3 g5 8. Bg3 e5 9. Qe2 Kf8 10. dxe5 dxe5
1971 Moscow – Round ? – Balashov, Yuri S – 1-0 – Kotov, Alexander. – G53
1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 Nc6 5. e3 e5 6. d5 Nce7 7. Be2 Nf6 8. b3 O-O 9. Bb2 Nd7 10. Qc2 f5
1972 Skopje ol (Men) fin-A – Round 5 – Schaufelberger, Heinz – 1-0 – Ungureanu, Emil – G59
1. c4 g6 2. Nf3 Bg7 3. Nc3 d6 4. d4 Nc6 5. d5 Ne5 6. Nd2 f5 7. e3 Nh6 8. Be2 O-O 9. O-O e6 10. Nb3 c5
1972 Skopje ol (Men) fin-A – Round 7 – Sloth, Jorn – 1/2-1/2 – Ghizdavu, Dumitru – G57
1. c4 g6 2. Nf3 Bg7 3. Nc3 d6 4. d4 Nc6 5. d5 Ne5 6. Nxe5 Bxe5 7. g3 Bg7 8. Bg2 e5 9. dxe6 fxe6 10. O-O Ne7
36. Olympiad 2004 – Round 11 – Nielsen, Peter Heine – 1/2-1/2 – Rogers, Ian – G376
1. d4 g6 2. c4 Bg7 3. Nf3 d6 4. Nc3 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Bd2 f6 8. O-O-O Bd7 9. g4 Kc8 10. Rg1 Ne7
41. Olympiad Open 2014 – Round 2.18 – Solomon, Kenneth Terence – 0-1 – Caruana, Fabiano – G112
1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Bd2 Be6 8. O-O-O Nd7 9. Ng5 Bxc4 10. b3 Be6
43. Olympiad 2018 – Round 4.7 – Banikas, Hristos – 0-1 – Aronian, Levon – G284
1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 c5 5. e3 Nc6 6. h3 e6 7. d5 exd5 8. cxd5 Ne5 9. Nxe5 Bxe5 10. e4 f5
63. ch-USA 2019 – Round 7.1 – Akobian, Varuzhan – 0-1 – Nakamura, Hikaru – G37
1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 Nc6 5. d5 Ne5 6. Nxe5 Bxe5 7. e4 Nf6 8. Bd3 O-O 9. O-O e6 10. h3 exd5
Amber Blindfold 1998 – Round 2 – Kramnik, Vladimir – 1-0 – Topalov, Veselin – G5
1. Nf3 g6 2. d4 d6 3. c4 Bg7 4. Nc3 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Bd2 Be6 8. O-O-O Nd7 9. Ng5 Bxc4 10. e4 Bxf1
Amber-blind 6th 1997 – Round 7 – Van Wely, Loek – 1-0 – Topalov, Veselin – G27
1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. Nf3 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Bd2 Be6 8. O-O-O Nd7 9. e4 f6 10. h3 Bh6
Bosna SuperGM 2000 – Round 7 – Bacrot, Etienne – 0-1 – Topalov, Veselin – G32
1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 c5 5. dxc5 Bxc3+ 6. bxc3 dxc5 7. Qxd8+ Kxd8 8. Ne5 Be6 9. g3 Nd7 10. Nxd7 Kxd7
Smyslov Region Group Cup 2021 – Round 6.7 – Predke, Alexandr – 0-1 – Zvjaginsev, Vadim – G62
1. c4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 a6 5. Bg5 h6 6. Bh4 g5 7. Bg3 Nd7 8. e3 e5 9. Bd3 Ne7 10. Qc2 O-O
USA Ch 2018 – Round 3.5 – Onischuk, Alexanderexander – 1/2-1/2 – Nakamura, Hikaru – G17
1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 Nc6 5. d5 Ne5 6. Nxe5 Bxe5 7. g3 h5 8. Bg5 c5 9. dxc6 bxc6 10. Bg2 Bd7
World Blitz 2016 – Round 4.22 – Cheparinov, Ivan – 1-0 – Sanal, Vahap – G150
1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Bd2 Be6 8. O-O-O Nd7 9. Ng5 Bxc4 10. e4 Bxf1
World Blitz 2021 – Round 12.48 – Gukesh D – 1-0 – Demidov, Mikhail – G729
1. d4 g6 2. c4 Bg7 3. Nf3 d6 4. Nc3 c5 5. e3 cxd4 6. Nxd4 Nc6 7. Be2 Nf6 8. O-O O-O 9. b3 d5 10. Nxc6 bxc6
World Blitz 2021 – Round 16.25 – Howell, David W L – 0-1 – Moroni, Leonardo – G936
1. Nf3 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nc6 5. g3 Bd7 6. Bg2 Qc8 7. h3 Nf6 8. e4 e5 9. d5 Ne7 10. Be3 O-O
World Blitz 2021 – Round 9.22 – Harsha Bharathakoti – 0-1 – Onyshchuk, Volodymyr – G520
1. Nf3 g6 2. d4 Bg7 3. c4 d6 4. Nc3 e5 5. g3 Nc6 6. dxe5 Nxe5 7. Bg2 Nxf3+ 8. Bxf3 Bh3 9. Bxb7 Rb8 10. Bc6+ Kf8
World Rapid 2016 – Round 2.28 – Kozul, Zdenko – 0-1 – Onyshchuk, Volodymyr – G68
1. Nf3 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nc6 5. d5 Ne5 6. Nxe5 Bxe5 7. e4 Nf6 8. f3 c6 9. Bh6 e6 10. Qd2 Qb6
World Rapid 2021 – Round 6.67 – Donchenko, Alexander – 0-1 – Vastrukhin, Oleg – G374
1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. Nf3 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. g3 c6 8. Bg2 f6 9. b4 Be6 10. Nd2 Nh6
A41u — Modern
1.d4 d6 2.c4 g6 3.Nc3 Bg7 4.Nf3
Eval: [+0.48]
Les coups candidats
Ambassadeurs : Nevednichy, Vladislav (32x), Kantsler, Boris (31x), Jovanovic, Zoran (27x), Mamedov, Rauf (21x), Rasik, Vitezslav (17x), Buchal, Stephan (16x), Mehlhorn, Uwe (15x), Farago, Ivan (14x)
4…Nd7 — 20.8% (3061 parties)
Ambassadeurs : McNab, Colin A (55x), Todorcevic Antic, Miodrag (33x), Knaak, Rainer (21x), Oratovsky, Michael (20x), Gaprindashvili, Nona (18x), Badea, Bela (17x), ? (16x), Kadric, Denis (12x)
Ambassadeurs : Petran, Peter (29x), Bilek, Istvan (15x), Krasenkow, Michal (15x), Czebe, Attila (15x), Arapovic, Vitomir (14x), Tkachiev, Vladislav (13x), Suttles, Duncan (12x), Vujadinovic, Goran (11x)
4…e5 — 11.2% (1648 parties)
Ambassadeurs : Azmaiparashvili, Zurab (45x), Lehtinen, Heikki (21x), Zlatanovic, Boroljub (18x), Seirawan, Yasser (17x), Eisenbeiser, Amadeus (16x), Ivkov, Borislav (14x), Czebe, Attila (14x), Vastrukhin, Oleg (14x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Nf6 4…Nd7 4…Bg4 4…e5
<1800 326 42% 19% 10% 3%
1800-2200 4250 34% 23% 13% 8%
2200-2600 7968 31% 20% 21% 15%
2600+ 228 32% 5% 28% 22%
Évolution par décennie (% des parties)
Décennie N parties 4…Nf6 4…Nd7 4…Bg4 4…e5
1870s 2
1900s 2 100%
1920s 1 100%
1950s 19 58% 32%
1960s 178 33% 20% 20% 9%
1970s 555 34% 30% 20% 6%
1980s 865 32% 25% 20% 11%
1990s 3087 35% 21% 19% 10%
2000s 4148 35% 20% 17% 9%
2010s 4982 31% 20% 17% 13%
2020s 903 32% 18% 14% 16%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Nf6 31% 32% ▲ +1.1%
4…Nd7 20% 18% ▼ -2.0%
4…Bg4 17% 14% ▼ -3.6%
4…e5 13% 16% ▲ +3.2%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 6 parties
Kasparov, Garry — 6 parties
Kramnik, Vladimir — 5 parties
Ju, Wenjun — 5 parties
Smyslov, Vladimir — 4 parties
Karpov, Aleksandr — 3 parties
Tal, Mikhail — 3 parties
Steinitz, Wilhelm — 2 parties
Anand, Viswanathan — 2 parties
Karpov, Anatoly — 2 parties
Gukesh D — 2 parties
Ding, Liren — 1 partie
Carlsen, Magnus — 1 partie
Parties historiques
4…Nf6 — 33.1% (4883 parties)
1955 — Pachman, Ludek vs Petrosian, Tigran V. — 1/2-1/2 — Goteborg SWE
1956 — Bronstein, David I vs Petrosian, Tigran V. — 1/2-1/2 — Amsterdam NED
1956 — Olafsson, Fridrik vs Robatsch, Karl — 1/2-1/2 — Moscow RUS
1957 — Benko, Pal vs Portisch, Lajos — 1/2-1/2 — HUN-ch Budapest HUN
1958 — Reshevsky, Samuel vs Lombardy, William J — 1-0 — New York, NY USA
4…Nd7 — 20.8% (3061 parties)
1907 — Perlis, Julius vs Swiderski, Radoslaw — 0-1 — Ostende II
1907 — Perlis, Julius vs Cohn, Erich — 1/2-1/2 — Ostende II
1924 — Gruenfeld, Ernst vs Koltanowski, George — 1-0 — Meran ITA
1954 — Einhorn, A vs Yarmak, Sergey — 0-1 — Los Angeles, CA USA
1955 — Kevitz, Alexander vs Kotov, Alexander — 0-1 — URS-USA telex
4…Bg4 — 17.5% (2587 parties)
1960 — Golombek, Harry vs Alexander, Conol Hugh — 1/2-1/2 — Leicester
1960 — Clarke, Peter H vs Portisch, Lajos — 1-0 — Leipzig GER
1960 — Furman Oman, Anze vs Kotov Lundqvist, Alex — 1/2-1/2 — Moscow RUS
1960 — Incutto, Carlos vs Gadia, Olicio — 1/2-1/2 — Mar del Plata ARG
1961 — Kottnauer vs Adam Tan, Anas Tan — 1-0 — Beverwijk NED
4…e5 — 11.2% (1648 parties)
1961 — Filip, Miroslav vs Robatsch, Karl — 1/2-1/2 — Vienna/ Baden bei Wien
1961 — Lengyel, Laszlo vs Weise, Daniel, Dr. — 1/2-1/2 — Oberhausen etc
1962 — Udovcic, Mijo vs Ostojic, Predrag — 0-1 — Skopje ch17-YUG
1962 — Byrne, Robert E vs Theodorovitch — 1-0 — USA
1965 — Benko, Pal vs Blackstone, John — 0-1 — Sunnyvale, CA

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