Wednesday 5 December 2007

Study 19a

A.Zhuravlev
Sukharev MT
2006

White wins

1.b8Q+ Kg2! 2.Qg8+ [2.Qb7+? Qf3=] 2...Kh1 3.Qh7+! Kg1 4.Qa7+! [4.Qg7+? Rg2! 5.Qd4+ Qf2 6.Qd1+ Qf1 7.Qd4+ Qf2 8.Ra1+ Kh2 9.Qh8+ Kg3=] 4...Kh1 5.Qb7+ Kg1 6.Qb6+ Rf2 7.Rg8+ Kh2 8.Qh6+ Qh3 9.Qd6+ Kh1 10.Qc6+ Kh2 11.Qc7+ Kh1 12.Qc1+! Qf1 [12...Rf1 13.Qc6+ Rf3 14.Qe4 Kh2 15.Qe5+ Kh1 16.Rh8+-] 13.Qh6+ [13.Qc6+? Rf3 14.Qe4 Kh2=] 13...Rh2 14.Qc6+ Rg2 15.Rh8+ Kg1 16.Qc5+ Rf2 17.Rg8+ Kh1 18.Qh5+ [18.Qd5+? Rf3=] 18...Rh2 19.Qd5+ Rg2 20.Rh8+ Kg1 21.Qd4+ Rf2 22.Rg8+ Kh1 23.Qe4+ Rg2 24.Rh8+ Kg1 25.Qe3+ Rf2 26.Kc5! mutual zugzwang 26...Qg2 27.Rh5! Qf1 28.Kb6 [28.Rg5+? Kh1 29.Qe4+ Rg2 30.Rh5+ Kg1 31.Qe3+ Qf2=] 28...Qb1+ [28...Qe2 29.Qg5+ Rg2 30.Qc1+ Kf2 31.Qc5++-] 29.Kc7! [Thematic try: 29.Rb5? Qg6+ 30.Ka5 Kh1!! 31.Qxf2 Qa6+ 32.Kxa6 stalemate; 29.Ka7? Qa2+ 30.Kb6 Qb2+ 31.Rb5 Qf6+=] 29...Qc2+ [29...Qf1 30.Kb8 Qb1+ 31.Kc8 Qc2+ 32.Rc5+-] 30.Kb8! Qb1+ [30...Qc4 31.Qg3+ (31.Rg5+? Kf1 32.Qh3+ Ke1! 33.Qe3+ Kf1 34.Qh3+ Ke1 35.Re5+ Re2=) 31...Kf1 32.Qh3+ Ke2 33.Re5+ Kd1 34.Qh5+ Re2 35.Rd5+ Ke1 36.Qh1+ Kf2 37.Qh2+ Kf3 38.Qh5+ Ke3 39.Qe8+! Kf2 (39...Kf3 40.Rf5+ Kg3 41.Qg6++-) 40.Qf7+ Ke1 41.Rd1++-; 30...Qb2+ 31.Kc8 Qe2 (31...Qc2+ 32.Rc5 Qe2 33.Qg5+ Kh1 34.Qh6++-) 32.Qg5+ Rg2 33.Qc1+ Qf1 34.Rh1+!+- chameleon echo] 31.Kc8 Qf1 32.Rg5+ Kh1 33.Qe4+ Rg2 [33...Rf3 34.Rh5+ (34.Rg3? Qa6+=) 34...Kg2 35.Qg6+ Rg3 36.Qc2+ Qf2 37.Rh2+!+- chameleon echo] 34.Rh5+ Kg1 35.Qd4+ Rf2 36.Rh7 Qa6+ [36...Qc1+ 37.Rc7 Qf1 38.Rg7++-] 37.Kb8 Qb5+ 38.Rb7! Qf5 39.Rg7+ Kh1 40.Qh4+ Rh2 41.Qe1+ +-

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Study 19

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