[Event "Canada, 1986"] [White "Igor Ivanov"] [Black "Brian Hartman"] [FEN "6k1/ppR3pp/8/3Np3/1Q4bP/6P1/PP2qbK1/8 w - - 1 0"] %Hidden=1 1. Rxg7+ Kxg7 2. Qe7+ Kg6 3. Qf6+ Kh5 4. Qg5#