[Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Wihte to play and win"] [Black "?"] [Result "*"] [Annotator "peter"] [SetUp "1"] [FEN "3Q1R2/1p2r1pk/p3p3/4P1qp/8/1P6/PKP5/8 w - - 0 1"] [PlyCount "13"] [EventDate "2015.??.??"] [SourceVersionDate "2020.04.01"] {[#]} 1. Qd3+ {It is essential to force the pawn to g6} g6 (1... Qg6 2. Rh8+) 2. Qd6 {White must defend the e5 pawn} Kg7 3. Qb8 {The key idea - reaching the back rank whilst defending e5. Now White is threatening Rg8 followed by mate.} Qh6 {defending the f8 square} (3... Kh7 4. Rh8+ Kg7 5. Qf8#) 4. Qd8 {Now that e5 is not attacked the queen can return to d8 with the bonus that now the rook is en prise} Qg5 {But now f8 is no longer defended so...} (4... Rf7 5. Rg8+ Kh7 6. Rh8+ Kg7 7. Qg8#) 5. Rg8+ Kh6 (5... Kf7 6. Qf8#) 6. Rh8+ Rh7 7. Qf8# *