Will you exchange a knight for a PAWN? Tal vs Velimirovic, 1979  (A30) English, Symmetrical, 30 moves, 1-0 The space effect Bronstein vs E Rojahn, 1956  (C58) Two Knights, 38 moves, 1-0 Positional squeeze R Osterman vs Karpov, 1975  (E14) Queen's Indian, 45 moves, 0-1 11....? 15....? Van Wely vs P Acs, 2002  (E48) Nimzo-Indian, 4.e3 O-O 5.Bd3 d5, 18 moves, 0-1 Aronian vs Anand, 2013  (D47) Queen's Gambit Declined Semi-Slav, 23 moves, 0-1 Pins kills J Klinger vs Blatny, 1988  (A45) Queen's Pawn Game, 38 moves, 1-0 Petrosian vs J Peters, 1976  (A34) English, Symmetrical, 50 moves, 1-0 7 games