Unzicker vs Timman, 1981  (E41) Nimzo-Indian, 47 moves, 0-1 Yifan Hou vs Short, 2016  (C99) Ruy Lopez, Closed, Chigorin, 12...cd, 39 moves, 1-0 Ivanchuk vs Kasparov, 1991  (B51) Sicilian, Canal-Sokolsky (Rossolimo) Attack, 38 moves, 1-0 R Praggnanandhaa vs A Liang, 2017  (C53) Giuoco Piano, 79 moves, 1-0 4 games