Browne, Vlastimil Hort, and Vasily Smyslov. Portisch won Las Palmas 1972 with 12/15, ahead of Bent Larsen, Vasily Smyslov, and David Bronstein. At Teesside 1972, he finished third with 9½/15, as Bent Larsen won. Portisch shared first/third places at San Antonio 1972 (with eight of the top 25), on 10½/15, with Anatoly Karpov and Tigran Petrosian. Portisch shared third/fourth places at Palma de Mallorca 1972 on 10/15, with Oscar Panno and Ljubomir Ljubojević winning. He won at Ljubljana/Portorož 1973 (Vidmar Memorial) with 12½/17. At Madrid 1973, Portisch shared sixth/seventh places on 9/15, with Anatoly Karpov winning. He won at Wijk aan Zee 1975 (ahead of Vlastimil Hort and Jan Smejkal). He won the second Interpolis Tournament in the Netherlands in 1978, ahead of Timman. He tied with Borislav Ivkov for first/second at the Tigran Petrosian Memorial, Moscow 1999. Team chess results Portisch represented Hungary four times at Student Olympiads, steadily improving his results, and winning three medals. His totals are: (+19−8=11), his detailed record follows: Uppsala 1956: board 2, 3/6 (+2−2=2), team silver; Reykjavík 1957: board 2, 6/11 (+5−4=2), Hungary fourth; Varna 1958: board 1, 5/9 (+3−2=4), Hungary fifth; Budapest 1959: board 1, 10½/12 (+9−0=3), board gold, team bronze. He also led the Hungarian chess team to the gold medal in the 23rd Chess Olympiad held in Buenos Aires in 1978 with a personal score of 10/14. This was the only Olympiad not to be won by the Soviet Union between 1952 and 1990 (except in 1976 when Soviet Union boycotted the competition). He participated in a record 20 Olympiads from 1956 until 2000, playing a record 260 games, over a record six decades, and won 11 medals. His total Olympiad score is: (+121−26=113), for 68.3 per cent. His detailed Olympiad data follows: Moscow 1956: second reserve, 6/8 (+4−0=4), team bronze; Munich 1958: board 3, 10½/15 (+7−1=7); Leipzig 1960: board 2, 11/17 (+7−2=8); Varna 1962: board 1, 9½/16 (+6−3=7); Tel Aviv 1964: board 1, 12/16 (+9−1=6), board bronze; Havana 1966: board 1, 11½/16 (+8−1=7), team bronze; Lugano 1968: board 1, 11/15 (+8−1=6); Siegen 1970: board 1, 11/16 (+7−1=8), team silver; Skopje 1972: board 1, 12/17 (+8−1=8), team silver; Nice 1974: board 1, 10/16 (+6−2=8); Buenos Aires 1978: board 1, 10/14 (+8−2=4), team gold; Valletta 1980: board 1, 9½/13 (+6−0=7), team silver; Lucerne 1982: board 1, 7½/12 (+6−3=3); Thessaloniki 1984: board 1, 7½/12 (+5−2=5); Dubai 1986: board 1, 6/10 (+4−2=4); Thessaloniki