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Subject: These seem like tough ones. How many of your programs find them?

Author: Dann Corbit

Date: 16:36:27 02/08/99


Or better yet, can you improve them?

Epd                                               ce     pv

pm
------------------------------------------------  ------
-------------------------------------------------------------------------------------------------------
 --------
1R1Q4/5k2/p1p1pPb1/P4qp1/B3p3/4P3/5K1P/8 w - -    32748  Ke1 Bh7 Rb7+ Kg6 Qe8+
Kh6 f7 Kh5 f8=Q+ Kg4 Qxf5+ Bxf5 Bd1+ Kh3 Rb2 Bg4 Qh8+ Bh5 Qxh5#
  Ke1

8/3r4/3k1B2/5K2/8/5Q2/8/8 w - -                   32754  Qf4+ Kc5 Ke6 Rc7 Qxc7+
Kb4 Be7+ Kb3 Qc1 Ka4 Qc4+ Ka5 Bd8#
 Qf4+

6k1/8/8/5K2/3B4/8/6N1/8 w - -                     32744  Ke6 Kf8 Nf4 Ke8 Bb6 Kf8
Nh5 Ke8 Ng7+ Kf8 Kf6 Kg8 Be3 Kf8 Bc5+ Kg8 Kg6 Kh8 Nf5 Kg8 Nh6+ Kh8 Bd4#
Ke6

8/8/4K1k1/3N4/8/4B3/8/8 w - -                     32744  Nf6 Kg7 Nh5+ Kg6 Ng3
Kg7 Bd4+ Kg6 Bf6 Kh6 Kf7 Kh7 Nh5 Kh6 Nf4 Kh7 Bg5 Kh8 Ng6+ Kh7 Nf8+ Kh8 Bf6#
   Nf6

2B5/6Bp/4P1p1/8/p4k2/1p6/3r3P/4R2K w - -          32754  e7 Re2 Rxe2 b2 Bxb2 Kg5
e8=Q Kh4 Qxa4+ Kg5 Qg4+ Kh6 Qh4#
e7

2k5/8/1pBK4/1P6/8/8/8/8 w - -                     32746  Be4 Kd8 Bg6 Kc8 Kc6 Kd8
Kxb6 Kc8 Kc5 Kb8 b6 Kc8 Bf5+ Kb7 Be4+ Ka6 b7 Ka5 b8=Q Ka4 Qb4#
Be4



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