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Subject: 2 mates to solve

Author: Uri Blass

Date: 12:46:20 05/26/01


[D]2nbkn2/1P1pp1P1/1qPrPq1r/B2N3b/3PN3/q1RB4/3K2Q1/5R2 b - -

This position is based on leonid's position but it is black to move.

Black can force mate in at most 11 when the main line begins with

1...Qbb2+ 2.Ke3 Qxd4+ 3.Kxd4 Rxd5+ 4.Ke3 Bb6+ 5.Bxb6 Qxb6+ 6.Nc5 Qbxc5+
7.Rxc5 Rd3+

Junior found this line and yace by going forward and backward decided to believe
Junior.

[D]2kr3r/ppp2p2/7p/8/6bq/2Q5/PPP3K1/RNB1N3 b - - 0 1

This position is from a practical game of Deep Fritz in the ICC tournament(round
1).

The opponent resigned but Deep Fritz can probably force mate in 9 moves by
21...Rhg8 22.Bf4 Bh3+ 23.Kf3 Qg4+ 24.Ke3 Qg1+ 25.Kf3 Bg4+ 26.Ke4 f5+ 27.Ke5 Qb6
28.Qxc7+
Kxc7 Nf3 Rge8#

At least this is the opinion of yace.

Uri



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