sentences:  Famed for his extensive and very creative opening repertoire, many enthusiasts find Glek's games and advice on offbeat opening lines invaluable.As a player, he mostly opens with e4 as white and prefers the King's Indian, French Defence and Dutch Defence as Black.A variation of the Classical King's Indian Defence, characterized by the move 7 ... Na6, is named after him, as is a variation of the Four Knights Game (4.g3).