[Event "Tunisia, 1985"] [White "Nick De Firmian"] [Black "Alexander Chernin"] [FEN "k1b4r/1p6/pR3p2/P1Qp2p1/2pp4/6PP/2P2qBK/8 w - - 1 0"] %Hidden=1 1. Rxa6+ bxa6 2. Qxd5+ Kb8 3. Qd6+ Ka7 4. Qb6#