IBM international chess tournament

Albin Planinc (left) vs. Boris Spassky in 1973
IBM 1966: Mikhail Botvinnik
IBM 1977: Tony Miles

The IBM international chess tournament was a series of very strong chess tournaments held in the Amsterdam, Netherlands from 1961 to 1981, and was sponsored by IBM. The list of winners of the main group includes five world champions.

#YearWinner
11961 Christian Langeweg (Netherlands)
21962 Moshe Czerniak (Israel)
 Hiong Liong Tan (Indonesia)
31963 Lajos Portisch (Hungary)
41964 Bent Larsen (Denmark)
51965 Jan Hein Donner (Netherlands)
61966 Mikhail Botvinnik (USSR)
71967 Lajos Portisch (Hungary)
81968 Lubomir Kavalek (Czechoslovakia)[1]
91969 Lajos Portisch (Hungary)
101970 Boris Spassky (USSR)
 Lev Polugaevsky (USSR)
111971 Vasily Smyslov (USSR)
121972 Lev Polugaevsky (USSR)
131973 Tigran Petrosian (USSR)
 Albin Planinc (Yugoslavia)
141974 Vlastimil Jansa (Czechoslovakia)
 Vladimir Tukmakov (USSR)
 Borislav Ivkov (Yugoslavia)
151975 Ljubomir Ljubojević (Yugoslavia)
161976 Viktor Korchnoi (Switzerland)
 Tony Miles (England)
171977 Tony Miles (England)
181978 Jan Timman (Netherlands)
191979 Vlastimil Hort (Czechoslovakia)
 Gyula Sax (Hungary)
201980 Anatoly Karpov (USSR)
211981 Jan Timman (Netherlands)

See also

References

  1. ↑ "Amsterdam IBM (1968)". Chessgames.com. Chessgames Services. Retrieved August 4, 2026.
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