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Subject: Re: One another good test position for programs!

Author: Dann Corbit

Date: 12:26:55 12/10/99

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No checkmates in ten full moves {20 ply} for this position.  Here is Heiner
Marxen's CHEST program's output:

Reading job:
W:  Kg1 Qh5 Rg3 Bf6 Pa4 Pb2 Pe5 Pf2 Pg2 Ph3 (10)
B:  Kg8 Rc8 Re8 Bf8 Nd4 Pa6 Pb7 Pd5 Pe6 Pf7 Pg7 (11)
FEN: 2r1rbk1/1p3pp1/p3pB2/3pP2Q/P2n4/6RP/1P3PP1/6K1 w - -
analysing (mate in 10 moves):
No solution in 10 moves.
refu  1: Rg7:+  Bg7:   [  9-]
refu  2: Qh7+   Kh7:   [  9-]
refu  3: Qh8+   Kh8:   [  9-]
refu  4: Qf7:+  Kf7:   [  9-]
refu  5: h4     Rc1+   [  9-]
refu  6: f3     Rc1+   [  9-]
refu  7: f4     Ne2+   [  9-]
refu  8: b3     Rc1+   [  9-]
refu  9: b4     Rc1+   [  9-]
refu 10: a5     Rc1+   [  9-]
refu 11: Bg7:   Rc1+   [  9-]
refu 12: Bg5    Ne2+   [  9-]
refu 13: Bh4    Rc1+   [  9-]
refu 14: Be7    Rc1+   [  9-]
refu 15: Bd8    Rc1+   [  9-]
refu 16: Rf3    Rc1+   [  9-]
refu 17: Re3    Rc1+   [  9-]
refu 18: Rd3    Rc1+   [  9-]
refu 19: Rc3    Ne2+   [  9-]
refu 20: Rb3    Rc1+   [  9-]
refu 21: Ra3    Rc1+   [  9-]
refu 22: Rg4    Rc1+   [  9-]
refu 23: Rg5    Rc1+   [  9-]
refu 24: Rg6    Rc1+   [  9-]
refu 25: Qg5    Rc1+   [  9-]
refu 26: Qf5    Rc1+   [  9-]
refu 27: Qh6    Rc1+   [  9-]
refu 28: Qh4    Rc1+   [  9-]
refu 29: Qg4    Rc1+   [  9-]
refu 30: Qf3    Rc1+   [  9-]
refu 31: Qe2    Rc1+   [  9-]
refu 32: Qd1    Rc1    [  9-]
refu 33: Qg6    Rc1+   [  9-]
refu 34: Kh1    Rc1+   [  9-]
refu 35: Kf1    Rc1+   [127-]
refu 36: Kh2    Rc1    [  9-]
solu         1: Nf3+   [  6+]
Time (user) = 2867.00 sec (ca. 47.8 min)



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