Richard Becker (США)
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Try 1.Qd7? b6! zz 2.Qd3 Re6 3.Qxc3 Rg6 4.Qe5 Rg2 5.Qe1+ Kh2 6.c4 Ra2 7.Qh4+ Kg1 8.Qg5+ Kh2 9.Qh6+ Kg1 10.Qg6+ Kh2 11.Qh7+ Kg1 12.Qb1+ Kh2 13.Qxa2+ Kh3
Try 1.Qg6+? Kf1 2.Qd3+ Kg1! zz
Try 1.Qc8? Rg5! 2.Qxc3 Rf5+ 3.Ke3 Rf7 4.Qd4 Rf2 5.Qd1+ Rf1 6.Qg4+ Kh2 7.Ke2 Rf8 8.Qg7 Rf4 9.Qe5 Kg3 10.ke3 Kg4 11.Qxf4+ Kh5
1.Qg8+! Kf1 2.Qc4+ Kg1 3.Qd3! zz
A) 3...b6 4.Qd7! zz b5 5.Qa7+ [ 5.Qd3? Re7! 6.Qxc3 Rf7+ 7.Kg3 Kf1 ] 5...Kh1 6.Qb7! [ Try 6.Qh7+? Kg1 7.Qd7 b4! zz ] 6...Kh2 7.Qc7 b4 [ 7...Kh1 8.Qc6 Kg1 9.Qb6+ Kh1 10.Qg6 Re3+ 11.Kxe3 Bd2+ 12.Kf3 Bg5 13.Qxg5 ~ 14.Qg2# ] 8.Qd6 Bd4 [ 8...Kg1 9.Qb6+ Kh1 10.Qg6 Re3+ 11.Kxe3 Be1 12.Kf3 Bg3 13.Qxg3 b3 14.Qg2# ] 9.Qh6+ Kg1 10.Qc1+ Kh2 11.Qd2+ Re2 12.Qxe2+ Bf2 [ 12...Kh3 13.Qg2+ Kh4 14.Qg4# ] 13.Qxf2+ Kh3 [ 13...Kh1 14.Qg2# ] 14.Qg3#
B) 3...b5 [ 3...Re7 4.Qxc3 Rf7+ 5.Kg3 Kf1 6.Qc4+ Ke1 7.Qxf7 ] 4.Qd7! b4 5.Qa7+ Kh1 6.Qh7+! [ Try 6.Qb7? Kh2! 7.Qc7 b3 8.cxb3 Kh1 9.Qh7+ ( 9.Qc6 Kg1 10.Qb6+ Kh1 11.Qg6 Re3+(Re2) ) 9...Kg1 10.Qc2 ( 10.Qb1+ Kh2 11.Qc2+ Bd2 12.Qxd2+ Re2 13.Qxe2+ Kh3 ) 10...Bd2 11.Qxd2 Rf5+ 12.Kg3 Rg5+ 13.Qxg5 Kf1 ] 6...Kg1 7.Qd7! zz b3 [ 7...Rg5 8.Qd1+ Kh2 9.Qd6+ Kg1 ( 9...Re5 10.Qg6 Re3+ 11.Kxe3 Be1 12.Kf3 Bg3 13.Qxg3+ Kh1 14.Qg2# ) 10.Qb6+ Bd4 ( 10...Kh1 11.Qh6+ Kg1 12.Qxg5+ Kf1 13.Qg2+ Ke1 14.Qe2# ) 11.Qxd4+ Kh1 12.Qh4+ Kg1 13.Qxg5+ Kf1 ( 13...Kh1 14.Qg2# ) 14.Qc1# ] 8.cxb3 Kf1 [ 8...Rg5 9.Qd1+ Kh2 10.Qc2+ Kh1 11.Qc1+ Be1 12.Qxg5 Bg3 13.Kxg3 Kg1 14.Qc1# ; 8...Re4 9.Qh3 Rf4+ 10.Kxf4 } 9.Qd1+ Be1 10.Qd3+ Kg1 11.Qg6+ Rg5 12.Qxg5+ Bg3 13.Qxg3+ Kf1 [ 13...Kh1 14.Qg2# ] 14.Qf2#
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