Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● b4 (2v0), ● d4 (2v1)
Cases faibles
Centre ● d5 (1v0) ● d4 (2v1)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 0)
Bf1 ● Bf1 Non développé (mob. 0)
Bc8 ● Bc8 Non développé (mob. 0)
Bf8 ● Bf8 Non développé (mob. 0)
Paire de fous ● Oui ● Oui
Non développées 5 (● b1, ● c1, ● f1, ● a1, ● h1) 5 (● g8, ● c8, ● 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 mobile
Ruptures ● d2-d4 ● …d7-d5

A30b — English: Symmetrical, 2.Nf3 Nc6

1.c4 c5 2.Nf3 Nc6 *   ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bB
bQ
bK
bB
bN
bR
bP
bP
bP
bP
bP
bP
bP
bN
bP
wP
wN
wP
wP
wP
wP
wP
wP
wP
wR
wN
wB
wQ
wK
wB
wR
abcdefgh
Plans. Nc3 (Développer b1 — 50 % des parties) ; d4 (Occuper le centre — 25 % des parties) ; g3 (Préparer le fianchetto — 21 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wB
wK
wQ
wB
wN
wR
wP
wP
wP
wP
wP
wP
wP
wN
Case forte (2v1)
wP
Case forte (2v0)
bP
bN
bP
bP
bP
bP
bP
bP
bP
bR
bN
bB
bK
bQ
bB
bR
hgfedcba
Plans. ...g6 (Préparer le fianchetto — 39 % des parties) ; ...Nf6 (Développer g8 — 18 % des parties) ; ...e5 (Occuper le centre — 10 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Partie
1928 Berlin – Round 1 – Kostic, Boris – 1-0 – Richter, Kurt – G15
1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 f5 5. Nc3 Nf6 6. Nxf5 g6 7. Ne3 Bg7 8. g3 b6 9. Bg2 O-O 10. O-O Bb7
1934 Mar del Plata – Round 8 – Hounie Fleurquin, Carlos – 1-0 – Hernandez Torralba, Jose Joaquin – G41
1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 Nf6 6. e4 Qb6 7. Be3 Qa5 8. f3 g6 9. a3 Bg7 10. b4 Qd8
1941 GER Ch 8th – Round 8 – Kranki, Hans – 0-1 – Richter, Kurt P – G19
1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nc2 Bc5 6. Nc3 d6 7. e3 Nf6 8. Bd3 Be6 9. b3 d5 10. cxd5 Nxd5
1941 Ventnor City – Round 3 – Santasiere, Anthony – 1-0 – Bernstein, Sidney – G9
1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 d5 5. Nc3 dxc4 6. Nxc6 Qxd1+ 7. Nxd1 bxc6 8. e4 Nf6 9. f3 e5 10. Bxc4 Bc5
1942 Duras 60 Memorial – Round 2 – Kottnauer, Cenek – 1-0 – Prokop, Frantisek – G2
1. c4 c5 2. Nf3 Nc6 3. d4 e6 4. d5 Nce7 5. e4 d6 6. g3 g6 7. Bg2 Bg7 8. O-O e5 9. Nc3 Nh6 10. Ne1 f5
1946 POL Ch – Round 14 – Sliwa, Bogdan – 1/2-1/2 – Grynfeld, Izaak – G85
1. Nf3 c5 2. c4 Nc6 3. g3 e5 4. Nc3 f5 5. d3 Nf6 6. Bg2 Be7 7. Bg5 O-O 8. O-O h6 9. Bxf6 Bxf6 10. Nd5 d6
1950 Venice – Round 13 – Castillo Bermudez, Manuel – 1-0 – Letelier Martner, Rene – G101
1. c4 c5 2. Nf3 Nc6 3. g3 Nf6 4. Bg2 d5 5. cxd5 Nxd5 6. Nc3 Nc7 7. O-O e5 8. d3 Be7 9. Be3 O-O 10. Rc1 Ne6
1952 POL-ch10 – Round 18 – Litmanowicz, Wladyslaw – 0-1 – Gawlikowski, Stanislaw – G133
1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Nc2 d6 7. e4 Nh6 8. Be2 f5 9. O-O O-O 10. Ne3 f4
1957 Ch - CC – Round ? – Critchlow, Arthur – 1-0 – Blackstone, John – G1
1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nxc6 bxc6 6. Nc3 Nf6 7. Bg5 Be7 8. e4 O-O 9. a3 a5 10. Be2 Qb6
1957 Hastings5758 – Round 1 – Fazekas, Stephan – 1/2-1/2 – Clarke, Paul R H – G30
1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. e3 Nf6 7. g3 d5 8. Bg2 Nxd4 9. Qxd4 dxc4 10. Qxd8+ Kxd8
1960 Hoogovens – Round 1 – Flohr, Salo – 1-0 – Donner, Jan-Hein – G22
1. Nf3 c5 2. c4 Nc6 3. g3 g6 4. Bg2 Bg7 5. O-O a6 6. Nc3 Rb8 7. d3 b5 8. cxb5 axb5 9. Be3 Nd4 10. Rc1 d6
1963 Polanica Zdroj – Round 1 – Doda, Zbigniew – 0-1 – Ujtelky, Maximilian – G1
1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d5 5. e3 Nf6 6. cxd5 Nxd4 7. exd4 Nxd5 8. Nc3 e6 9. Bc4 Nxc3 10. bxc3 Bd6
1964 Hoogovens – Round 9 – Dunkelblum, Arthur – 1/2-1/2 – Van den Berg, Cees – G59
1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. e3 Nf6 7. Be2 O-O 8. O-O b6 9. Bf3 Bb7 10. b3 Qb8
1964 Reykjavik – Round 12 – Johannessen, Simon T – 1/2-1/2 – Wade, Robert G – G66
1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Nc2 Nh6 7. g3 Nf5 8. Bg2 O-O 9. O-O d6 10. Qd2 h5
1966 Sunderland ch-BCF – Round 1 – Fazekas, Stephan – 0-1 – Lees, David – G24
1. Nf3 c5 2. c4 Nc6 3. g3 e6 4. Bg2 d5 5. cxd5 exd5 6. O-O d4 7. d3 Nf6 8. Nbd2 Be7 9. Nc4 O-O 10. Nfe5 Nxe5
1967 Sofia tt – Round 6 – Skalkotas, Nikolaos – 0-1 – Partos, Charles – G85
1. c4 c5 2. Nf3 Nc6 3. b3 e5 4. d3 g6 5. Bb2 Bg7 6. Nbd2 Nge7 7. e4 d6 8. Be2 f5 9. O-O f4 10. Ne1 h5
1968 Rubinstein Memorial – Round 7 – Simagin, Vladimir – 1/2-1/2 – Pietzsch, Wolfgang – G40
1. c4 c5 2. Nf3 Nc6 3. e3 e6 4. d4 d5 5. cxd5 exd5 6. Be2 Nf6 7. O-O Bd6 8. Nc3 a6 9. dxc5 Bxc5 10. b3 O-O
22. ECU Club Cup 2006 – Round 2 – Schlosser, Philipp – 1/2-1/2 – Eljanov, Pavel – G36
1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. g3 Bb4+ 6. Bd2 Be7 7. Bc3 Nf6 8. Bg2 O-O 9. O-O d5 10. cxd5 Nxd5
22. ECU Club Cup 2006 – Round 4 – Ivanchuk, Vasyl – 1-0 – Eljanov, Pavel – G106
1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. g3 Bb4+ 6. Nc3 Qa5 7. Nb5 Nf6 8. a3 Bxc3+ 9. Nxc3 Ne4 10. Bd2 Qf5
3. Kings' Tournament 2009 – Round 8 – Gelfand, Boris – 1/2-1/2 – Ivanchuk, Vasyl – G24
1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nb5 d6 6. g3 a6 7. N5c3 Nf6 8. Bg2 Be7 9. O-O O-O 10. Bf4 Qc7
40. Olympiad Open 2012 – Round 10.15 – Iturrizaga Bonelli, Eduardo – 1-0 – Bologan, Victor – G547
1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Bc5 6. Nb3 Be7 7. Bf4 Nf6 8. e3 Bb4 9. Be2 Ne4 10. Qc2 f5
43. Olympiad 2018 – Round 9.2 – Bu, Xiangzhi – 1-0 – Safarli, Elmir – G585
1. Nf3 c5 2. c4 Nc6 3. g3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nc2 Nf6 7. Bg2 O-O 8. O-O Qa5 9. Nc3 Qh5 10. e4 Qxd1
83. Tata Steel Masters 2021 – Round 2.4 – Duda, Jacob – 0-1 – Grandelius, Nils – G13
1. c4 c5 2. Nf3 Nc6 3. b3 e5 4. Bb2 d6 5. Nc3 g6 6. g3 Bg7 7. Bg2 Nge7 8. O-O O-O 9. d3 Rb8 10. Ne1 Be6
Amber Rapidplay 2000 – Round 2 – Kramnik, Vladimir – 1/2-1/2 – Gelfand, Boris – G10
1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nb5 Nf6 6. Bf4 Bb4+ 7. N1c3 O-O 8. Bd6 Bxd6 9. Nxd6 Ne8 10. e3 Qb6
American Cup Blitz 2022 – Round 7.6 – So, Wesley – 1-0 – Krush, Irina – G41
1. c4 c5 2. Nf3 Nc6 3. b3 g6 4. Bb2 Nf6 5. g3 Bg7 6. Bg2 O-O 7. O-O b6 8. d4 cxd4 9. Nxd4 Bb7 10. Nc3 Qc8
Buenos Aires 1980 – Round 1 – Andersson, Ulf 1949 – 1/2-1/2 – Timman, Jan H – G27
1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. e3 Nf6 6. Be2 Bb4+ 7. Bd2 Be7 8. Nc3 O-O 9. O-O d5 10. cxd5 Nxd4
Buenos Aires olm 1978 – Round 11 – Polugaevsky, Lev – 1-0 – Ornstein, Axel – G32
1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. g3 Bb4+ 6. Bd2 Qb6 7. Nb3 Ne5 8. Qc2 a5 9. Bg2 a4 10. Nc1 Nf6
GCT Blitz Paris 2021 – Round 18.1 – Rapport, Richard – 1/2-1/2 – Svidler, Peter – G83
1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 Bb4+ 6. Bd2 a6 7. N5c3 Nf6 8. g3 d5 9. cxd5 Nxd5 10. Bg2 Be6
Kosmos m 5' 1998 – Round 5 – Kasparov, Garry – 0-1 – Kramnik, Vladimir – G5
1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nb5 Nf6 6. Bf4 Bb4+ 7. N1c3 O-O 8. Bd6 Bxd6 9. Nxd6 Qb6 10. Qd2 Ne8
London P&D/GLC Kings 1984 – Round 11 – Seirawan, Yasser – 0-1 – Andersson, Ulf 1949 – G13
1. Nf3 c5 2. c4 Nc6 3. e3 e6 4. d4 d5 5. cxd5 exd5 6. Bb5 cxd4 7. Nxd4 Bd7 8. O-O Nf6 9. b3 a6 10. Be2 Bd6
Norway Chess blitz 2nd 2014 – Round 3.2 – Svidler, Peter – 1-0 – Caruana, Fabiano – G10
1. Nf3 c5 2. c4 Nc6 3. b3 e5 4. Bb2 d6 5. e3 f5 6. Nc3 Nf6 7. d4 cxd4 8. exd4 e4 9. d5 exf3 10. dxc6 Qe7+
Norway Supreme Masters Blitz 2013 – Round 6.5 – Svidler, Peter – 0-1 – Anand, Viswanathan – G30
1. c4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. O-O e6 6. e3 Nge7 7. d4 cxd4 8. Nxd4 O-O 9. Nxc6 bxc6 10. c5 f5
Tal Memorial Blitz 2014 – Round 4.6 – Karjakin, Sergey – 0-1 – Grischuk, Alexander – G24
1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. g3 Qb6 6. Nf3 Bb4+ 7. Nbd2 Nf6 8. Bg2 O-O 9. O-O Be7 10. a3 a5
Tashkent FIDE GP 2014 – Round 10.5 – Giri, Anish – 1/2-1/2 – Jobava, Baadur – G57
1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be6 8. g3 f5 9. Bg2 Nf6 10. O-O Be7
TCh-RUS 2008 – Round 8 – Gelfand, Boris – 1/2-1/2 – Gashimov, Vugar – G230
1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 e6 6. a3 d5 7. cxd5 exd5 8. Nc3 d4 9. Na4 Qd8 10. e3 dxe3
Vugar Gashimov Mem 2017 – Round 8.4 – So, Wesley – 1/2-1/2 – Radjabov, Teimour – G39
1. c4 c5 2. Nf3 Nc6 3. e3 e6 4. d4 d5 5. cxd5 exd5 6. Bb5 cxd4 7. Nxd4 Bd7 8. O-O Nf6 9. b3 Bd6 10. Bb2 O-O
World Blitz 2015 – Round 1.24 – Svidler, Peter – 1-0 – Khismatullin, Denis – G15
1. Nf3 c5 2. c4 Nc6 3. b3 e5 4. Nc3 g6 5. g3 Bg7 6. Bg2 Nge7 7. O-O O-O 8. Bb2 d6 9. Ne1 Be6 10. Nd5 Rb8
World Blitz 2015 – Round 20.8 – Svidler, Peter – 1-0 – Radjabov, Teimour – G1282
1. c4 c5 2. Nf3 Nc6 3. b3 e5 4. Bb2 e4 5. Ng1 Nf6 6. Nc3 Bd6 7. e3 O-O 8. d3 Be5 9. Qd2 Re8 10. dxe4 Nxe4
World Blitz 2015 – Round 7.30 – Matlakov, Maxim – 1/2-1/2 – Bologan, Victor – G425
1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Bc5 6. Nb3 Bb4 7. g3 Nf6 8. Bg2 d5 9. cxd5 Nxd5 10. O-O Nxc3
World Blitz 2018 – Round 20.69 – Piorun, Kacper – 1/2-1/2 – Tregubov, Pavel V. – G1202
1. c4 c5 2. Nf3 Nc6 3. g3 Nf6 4. Bg2 d5 5. cxd5 Nxd5 6. Nc3 Nc7 7. a3 Rb8 8. d3 e5 9. O-O Be7 10. Nd2 O-O
World Blitz 2019 – Round 17.24 – Gelfand, Boris – 1-0 – Christiansen, Johan-Sebastian – G1132
1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8. Qd2 Nge7 9. Nc3 O-O 10. g3 b5
World Blitz 2022 – Round 13.22 – Maghsoodloo, Parham – 0-1 – Indjic, Aleksandar – G681
1. Nf3 c5 2. c4 Nc6 3. b3 e5 4. Bb2 d6 5. Nc3 g5 6. h3 Bg7 7. d3 f5 8. e3 h6 9. Nd2 Nf6 10. a3 Be6
World Blitz 2022 – Round 4.17 – Maghsoodloo, Parham – 1/2-1/2 – Savchenko, Boris – G185
1. Nf3 c5 2. c4 Nc6 3. b3 e5 4. Bb2 d6 5. Nc3 g6 6. g3 Bg7 7. d3 Nge7 8. Bg2 O-O 9. O-O h6 10. a3 a5
World Blitz Final 2012 – Round 19 – Radjabov, Teimour – 1/2-1/2 – Grischuk, Alexander – G147
1. Nf3 c5 2. c4 Nc6 3. b3 e5 4. Nc3 g6 5. Bb2 Bg7 6. d3 Nge7 7. g3 O-O 8. Bg2 d6 9. O-O h6 10. a3 Be6
World Blitz Final 2012 – Round 5 – Jumabayev, Rinat – 1-0 – Bologan, Victor – G39
1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Bc5 6. Nb3 Be7 7. e4 Nf6 8. Be3 O-O 9. f3 d5 10. exd5 exd5
World Rapid 2016 – Round 13.34 – Matlakov, Maxim – 1-0 – Borisek, Jure – G504
1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 e6 6. a3 Nf6 7. Nc3 Be7 8. e4 O-O 9. Be2 Qc7 10. O-O b6
XVI Ciudad de Linares 99 1999 – Round 13 – Topalov, Veselin – 0-1 – Ivanchuk, Vasyl – G37
1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. g3 Bb4+ 6. Nc3 Qa5 7. Nb5 d5 8. a3 Bxc3+ 9. bxc3 Nf6 10. Bg2 O-O

A30b — Symmetrical (1928)
1.c4 c5 2.Nf3 Nc6
Les coups candidats
Ambassadeurs : Uhlmann, Wolfgang (48x), Parma, Bruno (37x), Pantsulaia, Levan (30x), Donchenko, Alexander (25x), Ernst, Thomas (24x), Andersson, Ulf (24x), Wedberg, Tom (22x), Ribli, Zoltan (22x)
3.d4 — 29.7% (9209 parties)
Ambassadeurs : Pogorelov, Ruslan (45x), Krasenkow, Michal (39x), Schlosser, Philipp (39x), Korchnoi, Viktor (35x), De Firmian, Nick (28x), Nogueiras Santiago, Jesus (26x), Wojtkiewicz, Aleksander (25x), Vachier-Lagrave, Maxime (23x)
3.g3 — 17.3% (5348 parties)
Ambassadeurs : McNab, Colin A (27x), Fancsy, Imre (20x), Csom, Istvan (16x), Kozak, Adam (14x), Ernst, Thomas (12x), Antunes, Antonio (11x), Vadasz, Laszlo (9x), Giardelli, Sergio C. (8x)
3.e3 — 3.1% (975 parties)
Ambassadeurs : Wirthensohn, Heinz (6x), Ivkov, Borislav (5x), Arkhipov, Sergey (5x), Votava, Jan (5x), Miljkovic, Jovana (5x), Samaganova, Aleksandra (5x), Cramling, Dan (4x), Peralta, Fernando (4x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 3.Nc3 3.d4 3.g3 3.e3
<1800 1403 45% 23% 23% 5%
1800-2200 10083 45% 27% 22% 3%
2200-2600 16026 49% 32% 14% 3%
2600+ 1178 54% 38% 4% 2%
Évolution par décennie (% des parties)
Décennie N parties 3.Nc3 3.d4 3.g3 3.e3
1950s 72 36% 47% 17%
1960s 245 58% 23% 15% 3%
1970s 589 63% 20% 13% 2%
1980s 1089 52% 24% 19% 3%
1990s 4090 47% 28% 20% 3%
2000s 7783 44% 34% 18% 3%
2010s 12711 47% 30% 17% 3%
2020s 4404 53% 26% 14% 4%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
3.Nc3 47% 53% ▲ +5.3%
3.d4 30% 26% ▼ -4.4%
3.g3 17% 14% ▼ -3.2%
3.e3 3% 4% ▲ +1.4%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Kasparov, Garry — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Ju, Wenjun — 10 parties
Hou, Yifan — 10 parties
Ding, Liren — 10 parties
Gukesh D — 8 parties
Botvinnik, Mikhail — 2 parties
Smyslov, Vladimir — 1 partie
Parties historiques
3.Nc3 — 47.7% (14787 parties)
1951 — Anay Barche vs Hajtun, Jozsef — 1-0 — Hungary ch
1952 — Ortega, Rogelio vs Pomar Salamanca, Arturo — 1/2-1/2 — Havana CUB
1953 — Grabczewski, Romuald vs Dworzynski, Roman — 0-1 — Krakow POL
1954 — Nielsen, Aage Sondergaard vs Trifunovic, Petar — 1/2-1/2 — Amsterdam olm
1954 — Nielsen, Axel vs Trifunovic, Petar — 1/2-1/2 — Amsterdam NED
3.d4 — 29.7% (9209 parties)
1950 — Dake, Arthur William vs Puc, Stojan — 0-1 — USA-Yugoslavia
1950 — Babel August vs Osterwald, Karl Heinz — 1-0 — ?
1950 — Rossolimo, Nicolas vs Milic, Borislav — 1-0 — Paris FRA
1951 — Czapski, E.. vs Jacobs, Robert — 1-0 — San Luis ARG
1951 — Nuesken, Fritz vs Ruppe, Otto — 1-0 — Schwerin GER
3.g3 — 17.3% (5348 parties)
1950 — Castillo Bermudez, Manuel vs Letelier Martner, Rene — 1-0 — Venice ITA
1950 — Ekenberg, Bengt vs Johansson, Inge V — 1-0 — ?
1950 — Bachmann, Philipp vs Aditya Balu Jadhav — 1/2-1/2 — Lucerne SUI
1951 — Alexandrescu, Gheorghe vs Reicher, Emanoil-George — 1/2-1/2 — Bucharest ROU
1952 — Gonzalez, Juan Carlos vs Pomar Salamanca, Arturo — 0-1 — ?
3.e3 — 3.1% (975 parties)
1960 — Averbakh, Yuri L vs Furman, Semyon — 1-0 — Odessa UKR
1963 — Pavlenko, Oleg vs Bagirov, Vladimir — 0-1 — Azerbaijan
1965 — Korchmar, Efim vs Furman, Semyon — 0-1 — Leningrad RUS
1967 — Sandrin, Albert vs Leopoldi, N. — 1/2-1/2 — Chicago, IL USA
1967 — Gromek, Jozef vs Balcerowski, Witold — 0-1 — Szeczin

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