Why Bg4 is better after the inclusion of a6 a4 Gligoric vs Matulovic, 1967  (A73) Benoni, Classical, 9.O-O, 42 moves, 1-0 Black handles the opening well Portisch vs Kasparov, 1981  (A75) Benoni, Classical with ...a6 and 10...Bg4, 41 moves, 1/2-1/2 A model game by white Gligoric vs Miles, 1974  (A75) Benoni, Classical with ...a6 and 10...Bg4, 46 moves, 1-0 A fine example of exploiting the weakness of black's queenside A Beliavsky vs Kasparov, 1979  (A73) Benoni, Classical, 9.O-O, 35 moves, 1-0 An excellent example of black playing vigirously to avoid cramp D Rajkovic vs de Firmian, 1983  (A75) Benoni, Classical with ...a6 and 10...Bg4, 33 moves, 0-1 An inspiring game by Kasparov with an amazingly beautiful draw Portisch vs Kasparov, 1981  (A70) Benoni, Classical with 7.Nf3, 49 moves, 1/2-1/2 A beautiful game by Ljubojevic Larsen vs Ljubojevic, 1975  (A77) Benoni, Classical, 9...Re8, 10.Nd2, 27 moves, 0-1 White delays f4 until a favorable moment Petrosian vs Quinteros, 1976  (A77) Benoni, Classical, 9...Re8, 10.Nd2, 43 moves, 1-0 Black voluntarely weakens his pawn structure for activity Spassky vs Fischer, 1972  (A61) Benoni, 41 moves, 0-1 It's the c3 knight which should be transferred! Gligoric vs Kavalek, 1972  (A77) Benoni, Classical, 9...Re8, 10.Nd2, 38 moves, 1-0 Petrosian sacs the exchange to exploit the weak light squares Petrosian vs N Rashkovsky, 1976  (A77) Benoni, Classical, 9...Re8, 10.Nd2, 31 moves, 1-0 Black secures the knight outpost on e5 moving his pawn to g5 Najdorf vs Timman, 1982 (A61) Benoni, 50 moves, 0-1 12. ...Qe7 turns out to be a waste of tempo Gligoric vs Y Gruenfeld, 1980 (A77) Benoni, Classical, 9...Re8, 10.Nd2, 48 moves, 1-0 13 games