Interzonal tournament Amsterdam 1964

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The Interzonal Tournament Amsterdam 1964 was held from May 20 to June 21, 1964 as a round-robin tournament with 24 participants in Amsterdam . It was intended to determine the participants in the candidate competitions for the 1966 World Chess Championship . For this purpose, six qualification places were determined, whereby no more than three qualifiers were allowed to come from one country.

Closing table

Surname 1 2 3 4th 5 6th 7th 8th 9 10 11 12 13 14th 15th 16 17th 18th 19th 20th 21st 22nd 23 24 total
1. Soviet Union 1955Soviet Union Vasily Smyslow ½ ½ ½ ½ ½ ½ ½ 1 1 1 1 ½ 1 ½ ½ ½ ½ 1 1 1 1 1 1 17th
2. DenmarkDenmark Bent Larsen ½ 1 ½ 0 1 0 ½ 1 ½ 1 1 1 ½ ½ ½ 1 1 ½ 1 1 1 1 1 17th
3. Soviet Union 1955Soviet Union Boris Spassky ½ 0 ½ ½ ½ ½ 1 1 1 0 ½ 1 ½ 1 1 ½ 1 1 1 1 1 1 1 17th
4th Soviet Union 1955Soviet Union Mikhail Tal ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ ½ 1 1 1 1 ½ 1 1 1 1 1 1 1 17th
5. Soviet Union 1955Soviet Union Leonid Stein ½ 1 ½ ½ 0 1 ½ 0 1 ½ 1 ½ 1 1 1 1 ½ ½ ½ 1 1 1 1 16½
6th Soviet Union 1955Soviet Union Dawid Bronstein ½ 0 ½ ½ 1 ½ ½ ½ ½ 1 ½ ½ 1 ½ ½ 1 1 1 ½ 1 1 1 1 16
7th Yugoslavia Socialist Federal RepublicYugoslavia Borislav Ivkov ½ 1 ½ ½ 0 ½ ½ ½ ½ 0 1 1 ½ ½ ½ ½ 1 1 1 ½ 1 1 1 15th
8th. United StatesUnited States Samuel Reshevsky ½ ½ 0 ½ ½ ½ ½ ½ ½ ½ ½ ½ 1 ½ ½ 1 ½ ½ 1 1 1 1 1 14½
9. Hungary 1957Hungary Lajos Portisch 0 0 0 ½ 1 ½ ½ ½ ½ 0 ½ ½ 1 1 1 ½ 1 ½ 1 1 1 1 1 14½
10. Yugoslavia Socialist Federal RepublicYugoslavia Svetozar Gligorić 0 ½ 0 ½ 0 ½ ½ ½ ½ ½ 1 1 ½ 1 ½ 1 ½ 1 1 0 1 1 1 14th
11. Germany Federal RepublicFederal Republic of Germany Klaus Darga 0 0 1 ½ ½ 0 1 ½ 1 ½ 0 ½ 1 ½ 1 ½ ½ 1 1 ½ ½ 1 ½ 13½
12. Hungary 1957Hungary Levente Lengyel 0 0 ½ ½ 0 ½ 0 ½ ½ 0 1 ½ ½ 1 ½ 1 ½ ½ 1 1 1 1 1 13
13. CzechoslovakiaCzechoslovakia Luděk Pachman ½ 0 0 0 ½ ½ 0 ½ ½ 0 ½ ½ ½ 1 ½ 1 1 1 1 1 1 ½ ½ 12½
14th United StatesUnited States Larry Evans 0 ½ ½ 0 0 0 ½ 0 0 ½ 0 ½ ½ 1 ½ 0 1 1 1 ½ ½ 1 ½ 10
15th Bulgaria 1948Bulgaria Georgi Tringov ½ ½ 0 0 0 ½ ½ ½ 0 0 ½ 0 0 0 ½ 1 ½ ½ 1 ½ ½ 1 1 9½
16. United StatesUnited States Pál Benkő ½ ½ 0 0 0 ½ ½ ½ 0 ½ 0 ½ ½ ½ ½ ½ 0 1 0 1 ½ ½ ½ 9
17th ArgentinaArgentina Héctor Rossetto ½ 0 ½ ½ 0 0 ½ 0 ½ 0 ½ 0 0 1 0 ½ ½ ½ ½ 0 1 0 1 8th
18th ArgentinaArgentina Alberto Foguelman ½ 0 0 0 ½ 0 0 ½ 0 ½ ½ ½ 0 0 ½ 1 ½ 0 0 1 1 0 1 8th
19th Hungary 1957Hungary István Bilek 0 ½ 0 0 ½ 0 0 ½ ½ 0 0 ½ 0 0 ½ 0 ½ 1 ½ 1 1 ½ ½ 8th
20th PeruPeru Oscar Quiñones 0 0 0 0 ½ ½ 0 0 0 0 0 0 0 0 0 1 ½ 1 ½ ½ 1 ½ 1 7th
21st IsraelIsrael Josef Porath 0 0 0 0 0 0 ½ 0 0 1 ½ 0 0 ½ ½ 0 1 0 0 ½ 0 ½ ½ 5½
22nd CubaCuba Francisco Perez 0 0 0 0 0 0 0 0 0 0 ½ 0 0 ½ ½ ½ 0 0 0 0 1 1 1 5
23. AustraliaAustralia Bela Berger 0 0 0 0 0 0 0 0 0 0 0 0 ½ 0 0 ½ 1 1 ½ ½ ½ 0 0 4½
24. Canada 1957Canada Zvonko Vranesic 0 0 0 0 0 0 0 0 0 0 ½ 0 ½ ½ 0 ½ 0 0 ½ 0 ½ 0 1 4th

Playoff for 8th place

Following the tournament, there was a playoff between Reshevsky and Portisch for 8th place at the same place. This entitled to participate in the candidate competitions, as only three players from a country could qualify. This regulation led to the departure of the Soviet players Stein and Bronstein and thus to the advancement of the seventh (Ivkov) and the eighth. In the playoff, Portisch clearly prevailed with 2½: ½. He won the first and third games, the second ended in a draw.

Web links

Commons : 1964 Amsterdam Interzonal Tournament  - collection of images, videos and audio files