[Event "Mar del Plata, 1969"] [White "Henrique Mecking"] [Black "Antonio Rocha"] [FEN "rk5r/2p3pp/p1p5/4N3/4P3/2q4P/P4PP1/R2Q2K1 w - - 1 0"] %Hidden=1 1. Rb1+ Ka7 2. Qd4+ Qxd4 3. Nxc6#