Puzzle 1231: White mates in 4. Reset Information Game Type Chess: End Game WhiteSergey Erenburg BlackAlexander Rinberg Game LocationTel Aviv Year2001 TurnWhite Moves4 Fen String6Q1/2r1r3/7p/3R4/P2N2pk/2B1p3/5qPP/7K w - - 1 0 Solution Puzzle SolutionNf5+ if Qxf5 Rxf5 Rf7 Be1+