Study 87

Árpád Rusz
3rd UAPA Ty
2015
2nd Prize

White wins

1.Kb8 Nc7 1...Kd6 2.a8Q Nd7+ 3.Kc8! (3.Ka7? Nc7 4.Qh8 Nb5+ 5.Ka8 Nc7+ 6.Ka7 Nb5+ perpetual check(N)) 3...Nb6+ 4.Kd8 Nxa8 5.Kxe8!+- (5.Bxa8? Nc7 6.Bb7 Ba4 7.Kc8 Bc6 8.a7 Na8! 9.Kb8 Nb6=) 2.a8Q Kd8! 2...Kd6 3.Qa7 Nd7+ 4.Kc8 Nb5! 5.Qb8+! (5.Qa8? Nb6+ 6.Kd8 Nxa8 7.Bxa8 Nc7 8.Bb7 Ba4 9.Kc8 Bc6 10.a7 Na8! 11.Kb8 Nb6=) 5...Nxb8 6.Kxb8+-; 2...Nxa8 3.Bxa8 Ba4 4.a7! (4.Bxe4? Bc6 5.Bxc6+ Kxc6! 6.a7 Nd7+ 7.Kc8 Nb6+ 8.Kb8 Nd7+ perpetual check(N)) 4...Nc6+ 5.Bxc6+ Bxc6 6.b5!+- 3.Bc6! 3.Qa7?? Nd7# 3...Nxa8 4.Bxa8 Nd7+ 5.Kb7! wK<->wB 5.Ka7?? Kc7–+ 5...Ba4

6.b5!! 6.a7? Bb5 stalemate 6...Bxb5 7.a7! mutual zugzwang

virtual stalemate

7...Bc4 7...Ba4 8.Ka6 Kc7 9.Bxe4 (9.Bd5? Nb6 10.a8Q Nxa8 11.Bxa8 Bc6 12.Bxc6 Kxc6=) 9...Nb6 10.a8Q Nxa8 11.Bxa8 Bc6 (11...Kd6 12.Be4+- (12.Ka5? Bd7 13.Be4 Bf5=) ) 12.Bxc6 Kxc6 13.Ka5 Kc5 14.Ka4 Kc4 15.Ka3 Kc5 16.Kb3+- 8.Kc6 Bd5+! 9.Kxd5 Nb6+ 10.Ke6! 10.Kxe4? Nxa8= 10...Nxa8 11.Kf7 +-

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Related studies: Study 24