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Subject: a test position from hiarcs-tiger

Author: Uri Blass

Date: 13:51:33 09/26/00


[D]3r3k/p7/1p6/2p2Q1p/2P1R3/2P5/P2KP3/6q1 w - - 0 1

Hiarcs played Kc2 and had to resign some moves later because the queen cannot be
saved[the game continued Kc2 Qd1+ Kb2 Rd2+ Ka3 Qc1+ Ka4 b5+ cxb5 Qc2+ Ka5 Qxc3+
and white resigned because of the line Ka6 Rd6+ Kb7 Qg7+ Kb8(forced because Kc8
is leading to mate) Rd8+].

How much time do programs need to avoid this tactical error?(some program like
hiarcs can play Rd4 after a short time but later change their mind to Kc2 so the
right test is to give them at least some minutes)

Uri



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