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IBM international chess tournament

The IBM international chess tournament was a series of very strong chess tournaments held in the Amsterdam, The Netherlands from 1961 to 1981, and was sponsored by IBM. The list of winners of the main group is highly impressive, the names of five world champions can be found among them!

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 Amstertam 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 23x15px Kick Langeweg (Netherlands)
2 1962 Template:Country data Israel
Template:Country data Indonesia
3 1963 23x15px Lajos Portisch (Hungary)
4 1964 23x15px Bent Larsen (Denmark)
5 1965 23x15px Jan Hein Donner (Netherlands)
6 1966 23x15px Mikhail Botvinnik (USSR)
7 1967 23x15px Lajos Portisch (Hungary)
8 1968 23x15px Lubomir Kavalek (Czechoslovakia)
9 1969 23x15px Lajos Portisch (Hungary)
10 1970 23x15px Boris Spassky (USSR)
23x15px Lev Polugaevsky (USSR)
11 1971 23x15px Vasily Smyslov (USSR)
12 1972 23x15px Lev Polugaevsky (USSR)
13 1973 23x15px Tigran Petrosian (USSR)
23x15px Albin Planinc (Yugoslavia)
14 1974 23x15px Vlastimil Jansa (Czechoslovakia)
23x15px Vladimir Tukmakov (USSR)
23x15px Borislav Ivkov (Yugoslavia)
15 1975 23x15px Ljubomir Ljubojević (Yugoslavia)
16 1976 23x15px Viktor Korchnoi (Switzerland)
23x15px Tony Miles (England)
17 1977 23x15px Tony Miles (England)
18 1978 23x15px Jan Timman (Netherlands)
19 1979 23x15px Vlastimil Hort (Czechoslovakia)
23x15px Gyula Sax (Hungary)
20 1980 23x15px Anatoly Karpov (USSR)
21 1981 23x15px Jan Timman (Netherlands)

See also