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Interzonals 1973 play-off: Portoroz
Compiled by capybara
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The Petropolis Interzonal of 1973 had resulted in a three-way tie for second place, only two of these players would qualify for the Candidates matches. So this tournament at Portoroz was arranged, in which each player played four games against each of the other players. This was won by Portisch with 5.5/8, Polugaevsky had 3.5 and Geller had 3.So Portisch and Polugaevsky took the two remaining places in the Candidates matches.

Game one
Geller vs Polugaevsky, 1973 
(B96) Sicilian, Najdorf, 38 moves, 0-1

Game two
Portisch vs Geller, 1973
(D31) Queen's Gambit Declined, 48 moves, 1/2-1/2

Game three
Polugaevsky vs Portisch, 1973
(D63) Queen's Gambit Declined, Orthodox Defense, 54 moves, 0-1

Game four
Polugaevsky vs Geller, 1973
(E88) King's Indian, Samisch, Orthodox, 7.d5 c6, 35 moves, 1-0

Game five
Geller vs Portisch, 1973 
(C95) Ruy Lopez, Closed, Breyer, 86 moves, 0-1

Game six
Portisch vs Polugaevsky, 1973 
(D47) Queen's Gambit Declined Semi-Slav, 49 moves, 1-0

Game seven
Geller vs Polugaevsky, 1973
(B83) Sicilian, 33 moves, 1-0

Game eight
Portisch vs Geller, 1973
(E92) King's Indian, 27 moves, 1/2-1/2

Game nine
Polugaevsky vs Portisch, 1973
(D63) Queen's Gambit Declined, Orthodox Defense, 27 moves, 1/2-1/2

Game ten
Polugaevsky vs Geller, 1973
(D62) Queen's Gambit Declined, Orthodox, Rubinstein Attack, 17 moves, 1/2-1/2

Game eleven
Geller vs Portisch, 1973 
(C95) Ruy Lopez, Closed, Breyer, 31 moves, 1/2-1/2

Game twelve
Portisch vs Polugaevsky, 1973
(D41) Queen's Gambit Declined, Semi-Tarrasch, 19 moves, 1/2-1/2

12 games

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