Piatigorsky-Cup 2nd

Santa Monica 1966

Date	Players	Type	Elo Average	Games	Rounds
Jul 17, 1966	10	Tourn		90	18

Name		ELO	Points
	GM Spassky, Boris V		11.5
	Fischer, Robert James		11.0
	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

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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