Group A Round 1 Gligoric vs Short, 1980  (E42) Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein), 33 moves, 0-1 Group A Round 1 R Byrne vs Hort, 1980 (B05) Alekhine's Defense, Modern, 19 moves, 1/2-1/2 Group A Round 2 Hort vs Gligoric, 1980 (E15) Queen's Indian, 41 moves, 0-1 Group A Round 2 Short vs R Byrne, 1980 (B51) Sicilian, Canal-Sokolsky (Rossolimo) Attack, 56 moves, 1/2-1/2 Group A Round 3 Gligoric vs R Byrne, 1980 (D58) Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst, 29 moves, 1/2-1/2 Group A Round 3 Short vs Hort, 1980  (B40) Sicilian, 88 moves, 1/2-1/2 Group B Round 1 Miles vs Larsen, 1980  (E00) Queen's Pawn Game, 66 moves, 1-0 Group B Round 1 L Schmid vs J H Donner, 1980 (B00) Uncommon King's Pawn Opening, 50 moves, 1/2-1/2 Group B Round 2 J H Donner vs Miles, 1980 (E59) Nimzo-Indian, 4.e3, Main line, 45 moves, 1/2-1/2 Group B Round 2 Larsen vs L Schmid, 1980  (D35) Queen's Gambit Declined, 34 moves, 1-0 Group B Round 3 Larsen vs J H Donner, 1980  (D35) Queen's Gambit Declined, 87 moves, 1-0 Group B Round 3 Miles vs L Schmid, 1980  (D78) Neo-Grunfeld, 6.O-O c6, 45 moves, 1-0 Final Short vs Miles, 1980  (B52) Sicilian, Canal-Sokolsky (Rossolimo) Attack, 62 moves, 1-0 13 games