Piatigorsky-Cup 2nd

  Santa Monica 1966

Date Type Elo Average Games Rounds
Jul 17, 1966 Tourn 90 18




  Name ELO Points
  GM Spassky, Boris V 11.5
  Fischer, Robert James 11.0
  GM Larsen, Bent 10.0
  GM Portisch, Lajos 9.5
  GM Unzicker, Wolfgang 9.5
  Reshevsky, Samuel Herman 9.0
  Petrosian, Tigran V 9.0
  Najdorf, Miguel 8.0
  GM Ivkov, Borislav 6.5
  Donner, Jan Hein 6.0






Piatigorsky-Cup 2nd Games

White Black Result Round Date Opening View
Donner, J Unzicker, W ½-½ 1 Jul 17, 1966 E55 Nimzo-Indian, 4.e3, Gligoric system, Bronstein variation  
Ivkov, B Larsen, B 1-0 1 Jul 17, 1966 E16 Queen's Indian, Capablanca variation  
Petrosian, T Spassky, B ½-½ 1 Jul 17, 1966 D59 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd5  
Portisch, L Najdorf, M ½-½ 1 Jul 17, 1966 E69 King's Indian, fianchetto, classical main line  
Reshevsky, S Fischer, R ½-½ 1 Jul 17, 1966 E97 King's Indian, orthodox, Aronin-Taimanov variation (Yugoslav attack / Mar del Plata variation)  
Fischer, R Portisch, L ½-½ 2 Jul 19, 1966 C95 Ruy Lopez, closed, Breyer, 10.d4  
Larsen, B Donner, J ½-½ 2 Jul 19, 1966 B67 Sicilian, Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7  
Najdorf, M Ivkov, B 1-0 2 Jul 19, 1966 D22 Queen's Gambit Accepted, Alekhine defence  
Petrosian, T Reshevsky, S ½-½ 2 Jul 19, 1966 E12 Queen's Indian defence  
Spassky, B Unzicker, W 1-0 2 Jul 19, 1966 C95 Ruy Lopez, closed, Breyer, 10.d4  
Donner, J Najdorf, M ½-½ 3 Jul 20, 1966 E72 King's Indian with e4 & g3  
Ivkov, B Fischer, R 0-1 3 Jul 20, 1966 A49 King's Indian, fianchetto without c4  
Portisch, L Petrosian, T 1-0 3 Jul 20, 1966 E66 King's Indian, fianchetto, Yugoslav Panno  
Reshevsky, S Spassky, B ½-½ 3 Jul 20, 1966 E43 Nimzo-Indian, Fischer variation  
Unzicker, W Larsen, B ½-½ 3 Jul 20, 1966 B61 Sicilian, Richter-Rauzer, Larsen variation, 7.Qd2  
Fischer, R Donner, J ½-½ 4 Jul 21, 1966 C89 Ruy Lopez, Marshall counter-attack  
Najdorf, M Unzicker, W ½-½ 4 Jul 21, 1966 E59 Nimzo-Indian, 4.e3, main line  
Petrosian, T Ivkov, B ½-½ 4 Jul 21, 1966 E74 King's Indian, Averbakh, 6...c5  
Reshevsky, S Portisch, L ½-½ 4 Jul 21, 1966 D28 Queen's Gambit Accepted, classical, 7.Qe2  
Spassky, B Larsen, B ½-½ 4 Jul 21, 1966 B64 Sicilian, Richter-Rauzer, Rauzer attack, 7...Be7 defence, 9.f4  
Donner, J Petrosian, T ½-½ 5 Jul 24, 1966 E92 King's Indian, classical variation  
Ivkov, B Reshevsky, S ½-½ 5 Jul 24, 1966 C88 Ruy Lopez, closed  
Larsen, B Najdorf, M 1-0 5 Jul 24, 1966 E99 King's Indian, orthodox, Aronin-Taimanov, main line  
Portisch, L Spassky, B ½-½ 5 Jul 24, 1966 E43 Nimzo-Indian, Fischer variation  
Unzicker, W Fischer, R ½-½ 5 Jul 24, 1966 B92 Sicilian, Najdorf, Opovcensky variation  
Fischer, R Larsen, B 0-1 6 Jul 25, 1966 C82 Ruy Lopez, open, 9.c3  
Petrosian, T Unzicker, W ½-½ 6 Jul 25, 1966 D32 Queen's Gambit Declined, Tarrasch defence  
Portisch, L Ivkov, B ½-½ 6 Jul 25, 1966 E74 King's Indian, Averbakh, 6...c5  
Reshevsky, S Donner, J 1-0 6 Jul 25, 1966 E55 Nimzo-Indian, 4.e3, Gligoric system, Bronstein variation  
Spassky, B Najdorf, M ½-½ 6 Jul 25, 1966 D78 Neo-Gruenfeld, 6.O-O c6  
Donner, J Portisch, L ½-½ 7 Jul 27, 1966 D36 Queen's Gambit Declined, exchange, positional line, 6.Qc2  
Ivkov, B Spassky, B 0-1 7 Jul 27, 1966 E18 Queen's Indian, old main line, 7.Nc3  
Larsen, B Petrosian, T 1-0 7 Jul 27, 1966 B39 Sicilian, accelerated fianchetto, Breyer variation  
Najdorf, M Fischer, R 1-0 7 Jul 27, 1966 A72 Benoni, classical without 9.O-O  
Unzicker, W Reshevsky, S ½-½ 7 Jul 27, 1966 C93 Ruy Lopez, closed, Smyslov defence  
Ivkov, B Donner, J ½-½ 8 Jul 28, 1966 B16 Caro-Kann, Bronstein-Larsen variation  
Petrosian, T Najdorf, M 1-0 8 Jul 28, 1966 A05 Reti opening  
Portisch, L Unzicker, W ½-½ 8 Jul 28, 1966 D23 Queen's gambit accepted  
Reshevsky, S Larsen, B ½-½ 8 Jul 28, 1966 A96 Dutch, classical variation  
Spassky, B Fischer, R 1-0 8 Jul 28, 1966 D87 Gruenfeld, exchange, Spassky variation  
Donner, J Spassky, B ½-½ 9 Jul 31, 1966 E44 Nimzo-Indian, Fischer variation, 5.Ne2  
Fischer, R Petrosian, T ½-½ 9 Jul 31, 1966 B48 Sicilian, Taimanov variation  
Larsen, B Portisch, L 1-0 9 Jul 31, 1966 C25 Vienna game  
Najdorf, M Reshevsky, S ½-½ 9 Jul 31, 1966 E55 Nimzo-Indian, 4.e3, Gligoric system, Bronstein variation  
Unzicker, W Ivkov, B 1-0 9 Jul 31, 1966 B92 Sicilian, Najdorf, Opovcensky variation  
Fischer, R Reshevsky, S 1-0 10 Aug 01, 1966 C92 Ruy Lopez, closed, 9.h3  
Larsen, B Ivkov, B 1-0 10 Aug 01, 1966 B08 Pirc, classical (two knights) system  
Najdorf, M Portisch, L ½-½ 10 Aug 01, 1966 E14 Queen's Indian, 4.e3  
Spassky, B Petrosian, T ½-½ 10 Aug 01, 1966 D27 Queen's Gambit Accepted, classical, 6...a6  
Unzicker, W Donner, J ½-½ 10 Aug 01, 1966 D19 Queen's Gambit Declined Slav, Dutch variation  
Donner, J Larsen, B 1-0 11 Aug 03, 1966 D72 Neo-Gruenfeld, 5.cd, main line  
Ivkov, B Najdorf, M ½-½ 11 Aug 03, 1966 E19 Queen's Indian, old main line, 9.Qxc3  
Portisch, L Fischer, R 0-1 11 Aug 03, 1966 E45 Nimzo-Indian, 4.e3, Bronstein (Byrne) variation  
Reshevsky, S Petrosian, T ½-½ 11 Aug 03, 1966 E55 Nimzo-Indian, 4.e3, Gligoric system, Bronstein variation  
Unzicker, W Spassky, B ½-½ 11 Aug 03, 1966 B91 Sicilian, Najdorf, Zagreb (fianchetto) variation  
Fischer, R Ivkov, B 1-0 12 Aug 04, 1966 A08 Reti, King's Indian attack  
Larsen, B Unzicker, W 0-1 12 Aug 04, 1966 A39 English, symmetrical, main line with d4  
Najdorf, M Donner, J 1-0 12 Aug 04, 1966 D22 Queen's Gambit Accepted, Alekhine defence  
Petrosian, T Portisch, L ½-½ 12 Aug 04, 1966 D67 Queen's Gambit Declined, Orthodox defence, Bd3 line, Capablanca freeing manoevre  
Spassky, B Reshevsky, S ½-½ 12 Aug 04, 1966 E55 Nimzo-Indian, 4.e3, Gligoric system, Bronstein variation  
Donner, J Fischer, R 0-1 13 Aug 07, 1966 E68 King's Indian, fianchetto, classical variation, 8.e4  
Ivkov, B Petrosian, T ½-½ 13 Aug 07, 1966 E19 Queen's Indian, old main line, 9.Qxc3  
Larsen, B Spassky, B 0-1 13 Aug 07, 1966 D25 Queen's Gambit Accepted, 4.e3  
Portisch, L Reshevsky, S ½-½ 13 Aug 07, 1966 E45 Nimzo-Indian, 4.e3, Bronstein (Byrne) variation  
Unzicker, W Najdorf, M ½-½ 13 Aug 07, 1966 B83 Sicilian, Scheveningen, 6.Be2  
Fischer, R Unzicker, W ½-½ 14 Aug 08, 1966 C83 Ruy Lopez, open, classical defence  
Najdorf, M Larsen, B ½-½ 14 Aug 08, 1966 E74 King's Indian, Averbakh, 6...c5  
Petrosian, T Donner, J 1-0 14 Aug 08, 1966 A07 Reti, King's Indian attack (Barcza system)  
Reshevsky, S Ivkov, B ½-½ 14 Aug 08, 1966 B08 Pirc, classical (two knights) system  
Spassky, B Portisch, L ½-½ 14 Aug 08, 1966 C93 Ruy Lopez, closed, Smyslov defence  
Donner, J Reshevsky, S ½-½ 15 Aug 10, 1966 E69 King's Indian, fianchetto, classical main line  
Ivkov, B Portisch, L 0-1 15 Aug 10, 1966 C49 Four knights, double Ruy Lopez  
Larsen, B Fischer, R 0-1 15 Aug 10, 1966 A72 Benoni, classical without 9.O-O  
Najdorf, M Spassky, B ½-½ 15 Aug 10, 1966 D59 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) system, 8.cd Nxd5  
Unzicker, W Petrosian, T ½-½ 15 Aug 10, 1966 B92 Sicilian, Najdorf, Opovcensky variation  
Fischer, R Najdorf, M 1-0 16 Aug 11, 1966 B33 Sicilian defence  
Petrosian, T Larsen, B 0-1 16 Aug 11, 1966 E61 King's Indian defence, 3.Nc3  
Portisch, L Donner, J 1-0 16 Aug 11, 1966 A33 English, symmetrical variation  
Reshevsky, S Unzicker, W ½-½ 16 Aug 11, 1966 E55 Nimzo-Indian, 4.e3, Gligoric system, Bronstein variation  
Spassky, B Ivkov, B ½-½ 16 Aug 11, 1966 E66 King's Indian, fianchetto, Yugoslav Panno  
Donner, J Ivkov, B 0-1 17 Aug 14, 1966 A42 Modern defence, Averbakh system  
Fischer, R Spassky, B ½-½ 17 Aug 14, 1966 C89 Ruy Lopez, Marshall counter-attack  
Larsen, B Reshevsky, S 1-0 17 Aug 14, 1966 E70 King's Indian, 4.e4  
Najdorf, M Petrosian, T 0-1 17 Aug 14, 1966 E64 King's Indian, fianchetto, Yugoslav system  
Unzicker, W Portisch, L ½-½ 17 Aug 14, 1966 C95 Ruy Lopez, closed, Breyer, 10.d4  
Ivkov, B Unzicker, W ½-½ 18 Aug 15, 1966 C49 Four knights, double Ruy Lopez  
Petrosian, T Fischer, R ½-½ 18 Aug 15, 1966 E62 King's Indian, fianchetto variation  
Portisch, L Larsen, B ½-½ 18 Aug 15, 1966 A30 English, symmetrical variation  
Reshevsky, S Najdorf, M 1-0 18 Aug 15, 1966 E43 Nimzo-Indian, Fischer variation  
Spassky, B Donner, J 1-0 18 Aug 15, 1966 C86 Ruy Lopez, Worrall attack