"El Valor no espera" A Kalantar vs Petrosian, 1946  (A54) Old Indian, Ukrainian Variation, 4.Nf3, 27 moves, 0-1 "Batiendo el Hierro" Petrosian vs E Nievergelt, 1954  (A47) Queen's Indian, 23 moves, 1-0 "El Centro voraz" Petrosian vs G Pfeiffer, 1960  (D45) Queen's Gambit Declined Semi-Slav, 30 moves, 1-0 "Sea Comilón, ¡pero con prudencia!" Petrosian vs A Khasin, 1957 (E18) Queen's Indian, Old Main line, 7.Nc3, 33 moves, 1-0 "La tortura Siciliana" H L Tan vs Petrosian, 1960  (B99) Sicilian, Najdorf, 7...Be7 Main line, 29 moves, 0-1 5 games