Want to study the games of one the greatest positional aggressors of all time? GM Khachiyan says look no further than Efim Geller. Today the man in the spotlight plays a subtle zwischenzug that secures the e4-square for this pieces. Then a deep exchange sacrifice produces a monster of a pin that Black can't wriggle out of. Even the resulting rook endgame is instructive. Ten lessons in one game - no wonder it's one of Melik's favorites!