[Event "?"] [Site "?"] [Date "2021.12.01"] [Round "?"] [White "White to play and win"] [Black "?"] [Result "*"] [Annotator "peter"] [SetUp "1"] [FEN "k7/5N1R/4K3/4p3/3p4/8/4p3/8 w - - 0 1"] [PlyCount "9"] [EventRounds "14"] [SourceVersionDate "2020.04.01"] {[#]} 1. Nd8 e1=Q (1... Kb8 2. Nc6+ Kc8 3. Kd6 e1=Q 4. Rc7#) 2. Nc6 { threatening Ra7 mate} Qa1 3. Kd6 {threatening to win the queen} Qa3+ (3... d3 4. Rh8+ Kb7 5. Rb8+ Ka6 6. Ra8+ Kb5 7. Rxa1 e4 8. Kd5 e3 9. Kd4 $18) 4. Kc7 { threatening Rh8 mate} Qf8 5. Kb6 {and the dual threats of Ra7 and Rh8 cannot be stopped} *