Another broken puzzle(s).
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lichess.org/training/10699
"Right" solution:
1.b4+ Ka4 2.bxc5+ Qc4 3.Qd1+ Ka5 4.Qd2+ Ka4 5.Nc3+ Ka5 6.Nd5+ Ka4 7.Nb6+ Kb3 8.Re3+ Qd3 9.Rxd3#
Really right solution ("puzzle failed"):
1.b4+ Ka4 2.bxc5+ Qc4 3.Nc3+
a) 3.... Kb3 4.Qd1+ Kxc3 5.Re3+ Qd3 6.Rxd3+ Kb2 7.Qc1#
(6.... Kc4 7.Rc1#)
b) 3.... Ka5 4.Qxc4 bxc4 5.Rb1 Rb7 6.Bxb7 * 7.Rb5#
Proof:
http://ru.lichess.org/WMJYLrNqptfM
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http://ru.lichess.org/training/25291
Right solution (checkmate in 9):
1.... Bxb6 2.Kh5 Rxb7 3....
Alternative (checkmate in 9, ignoring the opponent's bishop):
1.... Bxb6 2.Kh5 Bf2 3.... - is also a solution (variants are quite numerous)
Thanks.
--------
lichess.org/training/10699
"Right" solution:
1.b4+ Ka4 2.bxc5+ Qc4 3.Qd1+ Ka5 4.Qd2+ Ka4 5.Nc3+ Ka5 6.Nd5+ Ka4 7.Nb6+ Kb3 8.Re3+ Qd3 9.Rxd3#
Really right solution ("puzzle failed"):
1.b4+ Ka4 2.bxc5+ Qc4 3.Nc3+
a) 3.... Kb3 4.Qd1+ Kxc3 5.Re3+ Qd3 6.Rxd3+ Kb2 7.Qc1#
(6.... Kc4 7.Rc1#)
b) 3.... Ka5 4.Qxc4 bxc4 5.Rb1 Rb7 6.Bxb7 * 7.Rb5#
Proof:
http://ru.lichess.org/WMJYLrNqptfM
--------
http://ru.lichess.org/training/25291
Right solution (checkmate in 9):
1.... Bxb6 2.Kh5 Rxb7 3....
Alternative (checkmate in 9, ignoring the opponent's bishop):
1.... Bxb6 2.Kh5 Bf2 3.... - is also a solution (variants are quite numerous)
Thanks.