[Event "Sao Paulo, 1983"] [White "Cesar Soares"] [Black "Ivan Boere de Souza"] [FEN "3r1rk1/ppqn3p/1npb1P2/5B2/2P5/2N3B1/PP2Q1PP/R5K1 w - - 1 0"] %Hidden=1 1. Qg4+ Kf7 2. Be6+ Kxf6 3. Bh4+ Ke5 4. Qe4#