Find the shortest mate for white.
4n3/1r1pN2b/1p6/3p1ppp/4kp2/3N4/5Q1P/1K1R4 w - - 0 1
1.Nc8! Ra72.Nc5+ Ke53.Qd4#
1.Nc8 Ra72.Nc5+ bxc53.Qe2#
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