1.Kd7! [1.Kd6? Rh8 mutual zugzwang 2.c6 bxc6 3.Ke6 Kc5 mutual zugzwang 4.a3 a6! mutual zugzwang 5.a4 a5 mutual zugzwang 6.Kf6 Kd6 7.Kg7 Ke7 8.Kxh8 Kxf7 stalemate(8...Kf8) ] 1...Rh8 2.Kd6! mutual zugzwang 2...Kc4 3.c6! bxc6 4.Ke5! [4.Ke6? Kc5 mutual zugzwang] 4...Kc5 5.Ke6! mutual zugzwang 5...a6 6.a3! a5 7.a4 Kd4 8.Kf6 Kd5 9.Kg7 Ke6 10.f8Q +- [10.Kxh8? Kxf7 stalemate]
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Related study: Study 2