Author: Roy Eassa
Date: 11:09:10 06/18/02
Go up one level in this thread
On June 17, 2002 at 20:16:01, John Merlino wrote:
>Here's an amusing little Mate in 9 King chase that I had when testing
>Chessmaster 9000:
>
>[D]r6r/ppp1bQpp/2k1B1q1/4P3/4p3/2P1B3/PP3P1P/2K2R2 w - - 0 20
>
Some analysis (mate in 8) with help from Fritz:
1.Rd1 b6
[1...b5 2.Bd5+ Kd7 3.Bb7+ Qd6 4.Bg5
(4.Qf5+ Ke8 5.exd6
(or 5.Rxd6 Bf6 6.exf6 g5 7.Qd7+ Kf8 8.Qe7+ Kg8 9.Qg7#)
5...Rd8 6.Bc6+ Rd7 7.dxc7 Bf6 8.Qxd7+ Kf8 9.Qe8#)
4...Rhe8 5.e6+ Kd8 6.Bxe7+ Rxe7 7.Qf8+ Re8 8.Rxd6+ cxd6 9.Qxd6#]
2.Bd5+ Kb5
[2...Kd7 follows the line above]
3.Qxe7 Qd6
[3...a5 4.Bb7
(or 4.Qxc7 Rac8 5.Bc4+ Ka4 6.Kb1! Qh6
(6...Rxc7 7.b3+ Ka3 8.Bc1#)
7.Rd5 Qxe3 8.Bb5#)
4...Rhd8 5.a4+ Kc4 6.Kc2 Rd2+ 7.Rxd2 Qd6 8.b3#]
[3...c5 4.Qd7+ Ka5 5.c4 Qc6 6.Qxc6 a6 7.Bd2#]
4.exd6 Rhe8
[4...a5 5.Qd7+ Ka6 6.Bc4+ Kb7 7.Qxc7#]
[4...c6 5.Qb7 Rhc8 6.a4+ Ka5 7.b4+ Kxa4 8.Qa6#]
[4...Rae8 5.Qd7+ c6 6.Bc4+ Kxc4 7.Qxc6#]
[4...Rhc8 5.c4+ Ka4 6.dxc7 Ka5 7.Qa3#]
[4...c5 5.Qd7+ Ka5 6.c4 a6 7.Bd2#]
5.Qd7+ c6 6.Qxc6+ Ka5 7.b4+ Ka6 8.Qa4#
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