[Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "White to play and win"] [Black "?"] [Result "*"] [Annotator "peter"] [SetUp "1"] [FEN "6q1/p2r1p2/2N1nk1K/3rp3/8/5PP1/8/1Q1N4 w - - 0 1"] [PlyCount "17"] [SourceVersionDate "2022.05.07"] {It is absolutely clear that White nust start with a check or else Black will play Qg6+ or Qh8+. There is only one plausible check, and it is easy to see that it can lead to further chekcs, so...} 1. Qf5+ Kxf5 2. Ne7+ $1 {to remove the defence of d5.} (2. Ne3+ Kf6 {doesn't lead anywhere as Ng4+ is met by Qxg4} ) 2... Rxe7 {now the black king is a box and at the mercy of the remaining white knight} (2... Kf6 3. Nxg8+ Kf5 4. Ne3#) 3. Ne3+ Kf6 4. Nxd5+ Kf5 5. Nxe7+ Kf6 6. Nxg8+ {removing the defence against g4. With that done, the kinght returns to d5 to cover f4.} Kf5 7. Ne7+ Kf6 8. Nd5+ Kf5 9. g4# {Very pretty!} *