Author: Joe Pechie
Date: 18:31:42 09/26/00
Go up one level in this thread
On September 26, 2000 at 20:05:24, Mogens Larsen wrote:
>On September 26, 2000 at 16:51:33, Uri Blass wrote:
>
>>[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
>
Rebel Century found Rd4 very quick and stuck with it. I only have a 166 mhz
system so the depth hit was only 9.0 after 4:24.
1.*
00:00:00 1.02 -10.84 1.Qd7 Rxd7+ 2.Kc2
00:00:00 1.16 -2.77 1.Kc2 Qd1+ 2.Kb2 Rd2+ 3.Ka3 Qc1+
4.Kb3 (0)
00:00:01 2.00 -3.51 1.Kc2 Qd1+ 2.Kb2 Rd2+ 3.Ka3 Qc1+
4.Ka4 (0)
00:00:01 2.01 -3.51 1.Rd4
00:00:01 2.01 -1.10 1.Rd4 Rxd4+ 2.cxd4 Qxd4+ 3.Ke1 Qxc4
4.Qxh5+ (1)
00:00:02 3.00 -1.10 1.Rd4 Rxd4+ 2.cxd4 Qxd4+ 3.Ke1 Qxc4
4.Qxh5+ Kg7 (1)
00:00:02 4.00 -1.02 1.Rd4 Rxd4+ 2.cxd4 Qxd4+ 3.Ke1 Qxc4
4.Qxh5+ Kg7 5.Qg5+ Kf7 6.Qf5+ Ke7 (2)
00:00:04 5.00 -1.09 1.Rd4 Rxd4+ 2.cxd4 Qxd4+ 3.Ke1 Qxc4
4.Qxh5+ Kg7 5.Qg5+ Kf7 6.Qf5+ Ke8+
7.Qc8 Ke7 (2)
00:00:10 6.00 -1.15 1.Rd4 cxd4 2.Qf6+ Kh7 3.Qe7+ Kg6+
4.Qxd8 Qe3 5.Kd1 dxc3 (4)
00:00:16 7.00 -1.17 1.Rd4 cxd4 2.Qf6+ Kh7 3.Qxd8 Qe3+
4.Kd1 dxc3 5.a3 (11)
00:00:30 8.00 -1.22 1.Rd4 cxd4 2.Qf6+ Kh7 3.Qxd8 Qe3+
4.Kd1 dxc3 5.Qd6 Qf2 (17)
00:04:24 9.00 -0.73 1.Rd4 Rxd4+ 2.cxd4 Qxd4+ 3.Ke1 Qh4+
4.Kd2 Kg7 5.Qd7+ Kf8 (213)
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