Petrosian vs Balashov, 1974  (E54) Nimzo-Indian, 4.e3, Gligoric System, 28 moves, 1-0 Portisch vs Karpov, 1975  (E53) Nimzo-Indian, 4.e3, 41 moves, 1/2-1/2 Kasparov vs Short, 1986  (D55) Queen's Gambit Declined, 33 moves, 1-0 Euwe vs Alekhine, 1937  (E46) Nimzo-Indian, 43 moves, 0-1 4 games