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.
Parallel there was quite often a tournament IBM-B, always with (future or former) strong grandmasters - and local Dutch players to play against foreign titleholders, apart from the major "A" section. By 1963, there were 120 participants in the IBM Amsterdam tournament, broken down to grandmaster group, master group, reserve master group, etc. It was a real festival, connected with the idea to promote (chess) programming by sponsor IBM.
# | Year | Winner |
---|---|---|
1 | 1961 | Christian Langeweg (Netherlands) |
2 | 1962 | Moshe Czerniak (Israel) Hiong Liong Tan (Indonesia) |
3 | 1963 | Lajos Portisch (Hungary) |
4 | 1964 | Bent Larsen (Denmark) |
5 | 1965 | Jan Hein Donner (Netherlands) |
6 | 1966 | Mikhail Botvinnik (USSR) |
7 | 1967 | Lajos Portisch (Hungary) |
8 | 1968 | Lubomir Kavalek (Czechoslovakia) |
9 | 1969 | Lajos Portisch (Hungary) |
10 | 1970 | Boris Spassky (USSR) Lev Polugaevsky (USSR) |
11 | 1971 | Vasily Smyslov (USSR) |
12 | 1972 | Lev Polugaevsky (USSR) |
13 | 1973 | Tigran Petrosian (USSR) Albin Planinc (Yugoslavia) |
14 | 1974 | Vlastimil Jansa (Czechoslovakia) Vladimir Tukmakov (USSR) Borislav Ivkov (Yugoslavia) |
15 | 1975 | Ljubomir Ljubojević (Yugoslavia) |
16 | 1976 | Viktor Korchnoi (Switzerland) Tony Miles (England) |
17 | 1977 | Tony Miles (England) |
18 | 1978 | Jan Timman (Netherlands) |
19 | 1979 | Vlastimil Hort (Czechoslovakia) Gyula Sax (Hungary) |
20 | 1980 | Anatoly Karpov (USSR) |
21 | 1981 | Jan Timman (Netherlands) |
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Events in chess in 1973:
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