White to play and mate in 10 (easy)
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1.a8=N d3
2.Nb6 cxb6
3.c7 b5
4.c8=N b4
5.Nd6 exd6
6.e7 d5
7.e8=N d4
8.Nf6 gxf6
9.g7 f5
10.g8=N#
1-0
[Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "?"] [Black "?"] [Result "1-0"] [FEN "7K/P1p1p1p1/2P1P1Pk/6pP/3p2P1/1P6/3P4/8 w - - 0 1"] [SetUp "1"] 1.a8=N d3 2.Nb6 cxb6 3.c7 b5 4.c8=N b4 5.Nd6 exd6 6.e7 d5 7.e8=N d4 8.Nf6 gxf6 9.g7 f5 10.g8=N# 1-0