[Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "White to play and win"] [Black "?"] [Result "*"] [Annotator "peter"] [SetUp "1"] [FEN "8/8/2k4b/P7/8/8/2N2PKp/8 w - - 0 1"] [PlyCount "5"] [EventDate "2022.05.11"] [SourceVersionDate "2020.04.01"] {[#]} 1. Nd4+ (1. Kxh2 $2 Kb5 $11 {as the a-pawn falls}) 1... Kc5 (1... Kb7 2. Kxh2 Ka6 3. Nb3 {wins because if Black captures the knight, the bishop cannot control both pawns and the king is one tempo short getting back e.g.} Kb5 (3... Bf4+ {does not change much}) 4. Kg3 Bf8 5. f4 Bd6 6. Kg4 Kb4 7. f5 Kxb3 8. a6 Bc5 9. f6 Kb4 10. f7 Kb5 11. a7 $18) 2. Kh1 {zugzwang! If the bishop moves it is immediately lost to a knight fork or fxe3. So the king is forced to move away from the a-pawn} (2. Kxh2 $4 Bf4+ 3. Kg2 Kxd4 $11) 2... Kd5 (2... Kd6 3. Nf5+ $18) (2... Kxd4 3. a6 $18) 3. a6 $18 *