Amsterdam IBM 1976

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Amsterdam IBM 1976
Compiled by suenteus po 147

The grandmaster section of the sixteenth annual IBM international chess tournament was a category X event held at Amsterdam, The Netherlands in 1976. Sixteen grandmasters and top masters were invited to participate in the round robin event, including (in order of ELO): Viktor Korchnoi (2670), Fridrik Olafsson (2550), Aivars Gipslis (2535), Gyula Sax (2530), Gudmundur Sigurjonsson (2530), Bojan Kurajica (2525), Laszlo Szabo (2525), Dragoljub Velimirovic (2525), Borislav Ivkov (2520), Anthony Miles (2510), Jan Hein Donner (2475), Kick Langeweg (2450), Hans Bohm (2425), Ivan Farago (2420), Hans Ree (2420), and Gert Ligterink (2400). While Korchnoi's and Miles' shared victory was newsworthy itself, the real story of the tournament was Korchnoi's defection from the Soviet Union after the tournament's completion. During the award ceremony, Korchnoi asked his colleague and fellow co-winner Miles how to write "asylum" and then surrendered himself to the Dutch embassy the following day. In the wake of Korchnoi's action the Soviet Union responded publicly by boycotting any events in which Korchnoi was invited to take part. This would also add to the incredibly tense atmoshpere in the following two world championships in which Korchnoi would face the Soviet World Champion Anatoli Karpov. Though Korchnoi initially resided in The Netherlands after his defection, he eventually found a home and settled in Switzerland, where he continues to live and play to this day. The final standings and crosstable are as follows:

1 Korchnoi 9.5/15 * ½ ½ ½ 1 ½ ½ ½ ½ 1 0 ½ ½ 1 1 1

2 Miles 9.5/15 ½ * 0 ½ 1 ½ ½ 1 ½ ½ ½ ½ 1 1 1 ½

3 Sax 9/15 ½ 1 * ½ 0 ½ ½ ½ 1 0 ½ ½ 1 1 ½ 1

4 Farago 8.5/15 ½ ½ ½ * 0 1 ½ ½ 1 1 ½ ½ 1 ½ 0 ½

5 Velimirovic 8.5/15 0 0 1 1 * 0 ½ ½ ½ 1 1 ½ 1 ½ 1 0

6 Szabo 8/15 ½ ½ ½ 0 1 * ½ ½ 1 1 ½ ½ ½ 0 0 1

7 Gipslis 7.5/15 ½ ½ ½ ½ ½ ½ * ½ ½ ½ ½ ½ ½ ½ ½ ½

8 Kurajica 7.5/15 ½ 0 ½ ½ ½ ½ ½ * ½ 1 ½ ½ ½ ½ ½ ½

9 Sigurjonsson 7.5/15 ½ ½ 0 0 ½ 0 ½ ½ * 1 ½ 1 ½ ½ 1 ½

10 Bohm 7.5/15 0 ½ 1 0 0 0 ½ 0 0 * 1 ½ 1 1 1 1

11 Olafsson 7/15 1 ½ ½ ½ 0 ½ ½ ½ ½ 0 * ½ ½ 0 ½ 1

12 Ivkov 7/15 ½ ½ ½ ½ ½ ½ ½ ½ 0 ½ ½ * ½ ½ ½ ½

13 Ree 6.5/15 ½ 0 0 0 0 ½ ½ ½ ½ 0 ½ ½ * 1 1 1

14 Langeweg 6/15 0 0 0 ½ ½ 1 ½ ½ ½ 0 1 ½ 0 * 0 1

15 Ligterink 5.5/15 0 0 ½ 1 0 1 ½ ½ 0 0 ½ ½ 0 1 * 0

16 Donner 5/15 0 ½ 0 ½ 1 0 ½ ½ ½ 0 0 ½ 0 0 1 *

Round One, Game #1
I Farago vs Miles, 1976
(A57) Benko Gambit, 29 moves, 1/2-1/2
Round One, Game #2
Gipslis vs Sax, 1976
(B81) Sicilian, Scheveningen, Keres Attack, 22 moves, 1/2-1/2
Round One, Game #3
Ivkov vs Velimirovic, 1976
(A37) English, Symmetrical, 13 moves, 1/2-1/2
Round One, Game #4
B Kurajica vs Szabo, 1976
(C84) Ruy Lopez, Closed, 19 moves, 1/2-1/2
Round One, Game #5
K Langeweg vs G Ligterink, 1976
(E97) King's Indian, 32 moves, 0-1
Round One, Game #6
F Olafsson vs J H Donner, 1976
(D37) Queen's Gambit Declined, 30 moves, 1-0
Round One, Game #7
H Ree vs Korchnoi, 1976
(A17) English, 33 moves, 1/2-1/2
Round One, Game #8
G Sigurjonsson vs H Bohm, 1976
(B14) Caro-Kann, Panov-Botvinnik Attack, 42 moves, 1-0
Round Two, Game #9
H Bohm vs K Langeweg, 1976
(A36) English, 23 moves, 1-0
Round Two, Game #10
J H Donner vs Gipslis, 1976
(E60) King's Indian Defense, 70 moves, 1/2-1/2
Round Two, Game #11
Korchnoi vs Velimirovic, 1976
(A56) Benoni Defense, 47 moves, 1-0
Round Two, Game #12
G Ligterink vs B Kurajica, 1976
(C69) Ruy Lopez, Exchange, Gligoric Variation, 58 moves, 1/2-1/2
Round Two, Game #13
Miles vs G Sigurjonsson, 1976
(E92) King's Indian, 30 moves, 1/2-1/2
Round Two, Game #14
H Ree vs I Farago, 1976
(A06) Reti Opening, 64 moves, 0-1
Round Two, Game #15
Sax vs Ivkov, 1976
(C50) Giuoco Piano, 51 moves, 1/2-1/2
Round Two, Game #16
Szabo vs F Olafsson, 1976
(D87) Grunfeld, Exchange, 32 moves, 1/2-1/2
Round Three, Game #17
I Farago vs Korchnoi, 1976
(D93) Grunfeld, with Bf4 & e3, 61 moves, 1/2-1/2
Round Three, Game #18
Gipslis vs Szabo, 1976
(C77) Ruy Lopez, 22 moves, 1/2-1/2
Round Three, Game #19
Ivkov vs J H Donner, 1976
(A14) English, 58 moves, 1/2-1/2
Round Three, Game #20
B Kurajica vs H Bohm, 1976
(B10) Caro-Kann, 37 moves, 1-0
Round Three, Game #21
K Langeweg vs Miles, 1976
(A04) Reti Opening, 35 moves, 0-1
Round Three, Game #22
F Olafsson vs G Ligterink, 1976
(B45) Sicilian, Taimanov, 13 moves, 1/2-1/2
Round Three, Game #23
G Sigurjonsson vs H Ree, 1976
(C67) Ruy Lopez, 15 moves, 1/2-1/2
Round Three, Game #24
Velimirovic vs Sax, 1976
(B40) Sicilian, 47 moves, 1-0
Round Four, Game #25
H Bohm vs F Olafsson, 1976
(D03) Torre Attack (Tartakower Variation), 30 moves, 1-0
Round Four, Game #26
J H Donner vs Velimirovic, 1976
(A77) Benoni, Classical, 9...Re8, 10.Nd2, 32 moves, 1-0
Round Four, Game #27
I Farago vs G Sigurjonsson, 1976
(E61) King's Indian, 35 moves, 1-0
Round Four, Game #28
Korchnoi vs Sax, 1976
(D86) Grunfeld, Exchange, 54 moves, 1/2-1/2
Round Four, Game #29
G Ligterink vs Gipslis, 1976
(B03) Alekhine's Defense, 29 moves, 1/2-1/2
Round Four, Game #30
Miles vs B Kurajica, 1976
(E06) Catalan, Closed, 5.Nf3, 39 moves, 1-0
Round Four, Game #31
H Ree vs K Langeweg, 1976
(B40) Sicilian, 19 moves, 1-0
Round Four, Game #32
Szabo vs Ivkov, 1976
(A30) English, Symmetrical, 27 moves, 1/2-1/2
Round Five, Game #33
Gipslis vs H Bohm, 1976
(C75) Ruy Lopez, Modern Steinitz Defense, 24 moves, 1/2-1/2
Round Five, Game #34
Ivkov vs G Ligterink, 1976
(A05) Reti Opening, 21 moves, 1/2-1/2
Round Five, Game #35
B Kurajica vs H Ree, 1976
(C60) Ruy Lopez, 56 moves, 1/2-1/2
Round Five, Game #36
K Langeweg vs I Farago, 1976
(D41) Queen's Gambit Declined, Semi-Tarrasch, 28 moves, 1/2-1/2
Round Five, Game #37
F Olafsson vs Miles, 1976
(A15) English, 16 moves, 1/2-1/2
Round Five, Game #38
Sax vs J H Donner, 1976
(C13) French, 18 moves, 1-0
Round Five, Game #39
G Sigurjonsson vs Korchnoi, 1976
(B93) Sicilian, Najdorf, 6.f4, 26 moves, 1/2-1/2
Round Five, Game #40
Velimirovic vs Szabo, 1976
(C16) French, Winawer, 41 moves, 0-1
Round Six, Game #41
H Bohm vs Ivkov, 1976
(C01) French, Exchange, 40 moves, 1/2-1/2
Round Six, Game #42
I Farago vs B Kurajica, 1976
(D37) Queen's Gambit Declined, 19 moves, 1/2-1/2
Round Six, Game #43
Korchnoi vs J H Donner, 1976
(B07) Pirc, 26 moves, 1-0
Round Six, Game #44
G Ligterink vs Velimirovic, 1976
(C69) Ruy Lopez, Exchange, Gligoric Variation, 40 moves, 0-1
Round Six, Game #45
Miles vs Gipslis, 1976
(A30) English, Symmetrical, 13 moves, 1/2-1/2
Round Six, Game #46
H Ree vs F Olafsson, 1976
(E31) Nimzo-Indian, Leningrad, Main line, 41 moves, 1/2-1/2
Round Six, Game #47
G Sigurjonsson vs K Langeweg, 1976
(B83) Sicilian, 21 moves, 1/2-1/2
Round Six, Game #48
Szabo vs Sax, 1976
(A48) King's Indian, 15 moves, 1/2-1/2
Round Seven, Game #49
J H Donner vs Szabo, 1976
(D86) Grunfeld, Exchange, 39 moves, 0-1
Round Seven, Game #50
Gipslis vs H Ree, 1976
(C60) Ruy Lopez, 40 moves, 1/2-1/2
Round Seven, Game #51
Ivkov vs Miles, 1976
(A34) English, Symmetrical, 55 moves, 1/2-1/2
Round Seven, Game #52
B Kurajica vs G Sigurjonsson, 1976
(B50) Sicilian, 25 moves, 1/2-1/2
Round Seven, Game #53
K Langeweg vs Korchnoi, 1976
(A17) English, 28 moves, 0-1
Round Seven, Game #54
F Olafsson vs I Farago, 1976
(D40) Queen's Gambit Declined, Semi-Tarrasch, 24 moves, 1/2-1/2
Round Seven, Game #55
Sax vs G Ligterink, 1976
(A07) King's Indian Attack, 35 moves, 1/2-1/2
Round Seven, Game #56
Velimirovic vs H Bohm, 1976
(B14) Caro-Kann, Panov-Botvinnik Attack, 46 moves, 1-0
Round Eight, Game #57
H Bohm vs Sax, 1976
(A45) Queen's Pawn Game, 57 moves, 1-0
Round Eight, Game #58
I Farago vs Gipslis, 1976
(E44) Nimzo-Indian, Fischer Variation, 5.Ne2, 21 moves, 1/2-1/2
Round Eight, Game #59
Korchnoi vs Szabo, 1976
(E39) Nimzo-Indian, Classical, Pirc Variation, 32 moves, 1/2-1/2
Round Eight, Game #60
K Langeweg vs B Kurajica, 1976
(D58) Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst, 34 moves, 1/2-1/2
Round Eight, Game #61
G Ligterink vs J H Donner, 1976
(C07) French, Tarrasch, 26 moves, 0-1
Round Eight, Game #62
Miles vs Velimirovic, 1976
(A32) English, Symmetrical Variation, 42 moves, 1-0
Round Eight, Game #63
H Ree vs Ivkov, 1976
(E00) Queen's Pawn Game, 40 moves, 1/2-1/2
Round Eight, Game #64
G Sigurjonsson vs F Olafsson, 1976
(C97) Ruy Lopez, Closed, Chigorin, 19 moves, 1/2-1/2
Round Nine, Game #65
J H Donner vs H Bohm, 1976
(E44) Nimzo-Indian, Fischer Variation, 5.Ne2, 45 moves, 0-1
Round Nine, Game #66
Gipslis vs G Sigurjonsson, 1976
(B90) Sicilian, Najdorf, 32 moves, 1/2-1/2
Round Nine, Game #67
Ivkov vs I Farago, 1976
(E55) Nimzo-Indian, 4.e3, Gligoric System, Bronstein Variation, 15 moves, 1/2-1/2
Round Nine, Game #68
B Kurajica vs Korchnoi, 1976
(C16) French, Winawer, 67 moves, 1/2-1/2
Round Nine, Game #69
F Olafsson vs K Langeweg, 1976
(B46) Sicilian, Taimanov Variation, 40 moves, 0-1
Round Nine, Game #70
Sax vs Miles, 1976
(B42) Sicilian, Kan, 32 moves, 1-0
Round Nine, Game #71
Szabo vs G Ligterink, 1976
(A15) English, 38 moves, 0-1
Round Nine, Game #72
Velimirovic vs H Ree, 1976
(C44) King's Pawn Game, 33 moves, 1-0
Round Ten, Game #73
H Bohm vs Szabo, 1976
(C50) Giuoco Piano, 40 moves, 0-1
Round Ten, Game #74
I Farago vs Velimirovic, 1976
(A61) Benoni, 46 moves, 0-1
Round Ten, Game #75
Korchnoi vs G Ligterink, 1976
(E77) King's Indian, 38 moves, 1-0
Round Ten, Game #76
B Kurajica vs F Olafsson, 1976
(B13) Caro-Kann, Exchange, 56 moves, 1/2-1/2
Round Ten, Game #77
K Langeweg vs Gipslis, 1976
(A15) English, 19 moves, 1/2-1/2
Round Ten, Game #78
Miles vs J H Donner, 1976
(C02) French, Advance, 58 moves, 1/2-1/2
Round Ten, Game #79
H Ree vs Sax, 1976
(E63) King's Indian, Fianchetto, Panno Variation, 82 moves, 0-1
Round Ten, Game #80
G Sigurjonsson vs Ivkov, 1976
(C72) Ruy Lopez, Modern Steinitz Defense, 5.O-O, 73 moves, 1-0
Round Eleven, Game #81
J H Donner vs H Ree, 1976
(E62) King's Indian, Fianchetto, 81 moves, 0-1
Round Eleven, Game #82
Gipslis vs B Kurajica, 1976
(B47) Sicilian, Taimanov (Bastrikov) Variation, 19 moves, 1/2-1/2
Round Eleven, Game #83
Ivkov vs K Langeweg, 1976
(A13) English, 18 moves, 1/2-1/2
Round Eleven, Game #84
G Ligterink vs H Bohm, 1976
(B03) Alekhine's Defense, 35 moves, 0-1
Round Eleven, Game #85
F Olafsson vs Korchnoi, 1976
(A04) Reti Opening, 40 moves, 1-0
Round Eleven, Game #86
Sax vs I Farago, 1976
(B43) Sicilian, Kan, 5.Nc3, 20 moves, 1/2-1/2
Round Eleven, Game #87
Szabo vs Miles, 1976
(A16) English, 34 moves, 1/2-1/2
Round Eleven, Game #88
Velimirovic vs G Sigurjonsson, 1976
(B51) Sicilian, Canal-Sokolsky (Rossolimo) Attack, 47 moves, 1/2-1/2
Round Twelve, Game #89
I Farago vs J H Donner, 1976
(A56) Benoni Defense, 42 moves, 1/2-1/2
Round Twelve, Game #90
Korchnoi vs H Bohm, 1976
(D55) Queen's Gambit Declined, 60 moves, 1-0
Round Twelve, Game #91
B Kurajica vs Ivkov, 1976
(C91) Ruy Lopez, Closed, 17 moves, 1/2-1/2
Round Twelve, Game #92
K Langeweg vs Velimirovic, 1976
(A14) English, 13 moves, 1/2-1/2
Round Twelve, Game #93
Miles vs G Ligterink, 1976
(E92) King's Indian, 39 moves, 1-0
Round Twelve, Game #94
F Olafsson vs Gipslis, 1976
(A15) English, 57 moves, 1/2-1/2
Round Twelve, Game #95
H Ree vs Szabo, 1976
(A36) English, 16 moves, 1/2-1/2
Round Twelve, Game #96
G Sigurjonsson vs Sax, 1976
(B84) Sicilian, Scheveningen, 38 moves, 0-1
Round Thirteen, Game #97
H Bohm vs Miles, 1976
(A45) Queen's Pawn Game, 56 moves, 1/2-1/2
Round Thirteen, Game #98
J H Donner vs G Sigurjonsson, 1976
(E69) King's Indian, Fianchetto, Classical Main line, 34 moves, 1/2-1/2
Round Thirteen, Game #99
Gipslis vs Korchnoi, 1976
(C09) French, Tarrasch, Open Variation, Main line, 35 moves, 1/2-1/2
Round Thirteen, Game #100
Ivkov vs F Olafsson, 1976
(D38) Queen's Gambit Declined, Ragozin Variation, 20 moves, 1/2-1/2
Round Thirteen, Game #101
G Ligterink vs H Ree, 1976
(C60) Ruy Lopez, 32 moves, 0-1
Round Thirteen, Game #102
Sax vs K Langeweg, 1976
(B46) Sicilian, Taimanov Variation, 41 moves, 1-0
Round Thirteen, Game #103
Szabo vs I Farago, 1976
(A14) English, 42 moves, 0-1
Round Thirteen, Game #104
Velimirovic vs B Kurajica, 1976
(A07) King's Indian Attack, 15 moves, 1/2-1/2
Round Fourteen, Game #105
I Farago vs G Ligterink, 1976
(E45) Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation, 55 moves, 0-1
Round Fourteen, Game #106
Gipslis vs Ivkov, 1976
(C77) Ruy Lopez, 35 moves, 1/2-1/2
Round Fourteen, Game #107
Korchnoi vs Miles, 1976
(A57) Benko Gambit, 51 moves, 1/2-1/2
Round Fourteen, Game #108
B Kurajica vs Sax, 1976
(C99) Ruy Lopez, Closed, Chigorin, 12...cd, 15 moves, 1/2-1/2
Round Fourteen, Game #109
K Langeweg vs J H Donner, 1976
(D17) Queen's Gambit Declined Slav, 42 moves, 1-0
Round Fourteen, Game #110
F Olafsson vs Velimirovic, 1976
(A16) English, 44 moves, 0-1
Round Fourteen, Game #111
H Ree vs H Bohm, 1976
(A26) English, 40 moves, 0-1
Round Fourteen, Game #112
G Sigurjonsson vs Szabo, 1976
(C91) Ruy Lopez, Closed, 68 moves, 0-1
Round Fifteen, Game #113
H Bohm vs I Farago, 1976
(C01) French, Exchange, 55 moves, 0-1
Round Fifteen, Game #114
J H Donner vs B Kurajica, 1976
(A00) Uncommon Opening, 54 moves, 1/2-1/2
Round Fifteen, Game #115
Ivkov vs Korchnoi, 1976
(E44) Nimzo-Indian, Fischer Variation, 5.Ne2, 20 moves, 1/2-1/2
Round Fifteen, Game #116
G Ligterink vs G Sigurjonsson, 1976
(B90) Sicilian, Najdorf, 38 moves, 0-1
Round Fifteen, Game #117
Miles vs H Ree, 1976
(C67) Ruy Lopez, 45 moves, 1-0
Round Fifteen, Game #118
Sax vs F Olafsson, 1976
(B30) Sicilian, 41 moves, 1/2-1/2
Round Fifteen, Game #119
Szabo vs K Langeweg, 1976
(E46) Nimzo-Indian, 38 moves, 0-1
Round Fifteen, Game #120
Velimirovic vs Gipslis, 1976
(B14) Caro-Kann, Panov-Botvinnik Attack, 22 moves, 1/2-1/2
120 games

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