Author: Eelco de Groot
Date: 11:00:19 10/27/05
Go up one level in this thread
On October 26, 2005 at 12:21:51, Jouni Uski wrote:
>[D]7Q/kp3ppp/8/8/q3p3/P5PP/5K2/R1R5 b - -
>
>Find -Qb3 with 0.00 and keep it (toga displays 0.00 but goes back to -3,xx).
>
>Jouni
Hello Jouni,
Ed's Eternal Checks algorithm seems to work here in Pro Deo Vulcan settings,
where Pro Deo 1.1 default has difficulty in finding a drawscore:
Pro Deo 1.1 Default
00:00:00.2 -18,74 1 27 Qd1 Rxd1
00:00:00.2 -18,64 1 82 Qc2+ Rxc2
00:00:00.2 -9,57 1 108 f5 Qxh7
00:00:00.2 -9,27 1 168 Qd4+ Kg2
00:00:00.2 -9,20 2 252 Qd4+ Kg2 Qd2+ Kh1
00:00:00.2 -9,15 3 919 Qd4+ Kg2 f5 Qxh7
00:00:00.2 -9,11 4 3146 Qd4+ Kg2 Qb2+ Kh1 f5 Qxh7
00:00:00.2 -9,26 5 11605 Qd4+ Kg2 Qd2+ Kh1 f5 Qxg7
00:00:00.2 -9,25 6 35220 Qd4+ Kg2 Qd2+ Kh1 Qd7 Qxh7 f5
00:00:00.3 -8,90 7 100043 Qd4+ Kg2 Qd2+ Kh1 Qe3 Rg1 Qf3+ Rg2 g5 Qxh7
00:00:00.4 -8,54 8 282263 Qd4+ Kg2 Qd2+ Kh1 Qf2 h4 Qxg3 Rcb1 Qxh4+ Kg2
00:00:00.5 -8,54 8 412504 Qb3
00:00:00.8 -7,07 8 810910 Qb3 Qd8 Qf3+ Ke1 Qxg3+ Kd2 Qf2+ Kc3 Qc5+ Kd2 Qf2+ Kc3
Qc5+ Kd2
00:00:01.6 -7,22 9 1711029 Qb3 Qd8 Qf3+ Ke1 Qxg3+ Kd2 Qg2+ Kd1 Qf1+ Kc2 Qxh3
Qa5+ Kb8 Qe5+ Ka8 Qa5+ Kb8 Qe5+ Ka8 Qa5+
00:00:07.8 -1,96 10 9986024 Qb3 Rc7 Qf3+ Ke1 Qxg3+ Kd2 Qf4+ Kc3 Qxc7+
00:00:22.7 -6,95 11 31088874 Qb3 Rc8 Qf3+ Ke1 Qxg3+ Kd1 Qb3+ Kc1 Qe3+ Kd1 Qd4+
Kc2 Qxa1 Ra8+ Kb6 Qd8+ Kc6 Rc8+ Kb5 Qd5+ Ka6 Ra8+ Kb6
00:00:32.7 -6,47 12 44616593 Qb3 Rc8 Qf3+ Ke1 Qxg3+ Kd1 Qb3+ Rc2 Qxh3 Qxg7 Qf1+
00:01:03.0 -3,07 13 86666438 Qb3 Rc8 Qf3+ Ke1 Qxg3+ Kd2 Qd3+ Ke1 Qe3+ Kd1 Qd3+
Kc1 Qf1+ Kb2 Qb5+ Kc3 Qd3+ Kb4 Qd4+ Kb3 Qd3+ Rc3
00:02:18.1 -2,78 14 190550807 Qb3 Rc8 Qf3+ Ke1 Qxg3+ Kd2 Qd3+ Kc1 Qf1+ Kb2 Qb5+
Kc3 Qd3+ Kb4 Qd4+ Kb3 Qd3+ Rc3
Pro Deo 1.1 Vulcan {9k17pr}
7Q/kp3ppp/8/8/q3p3/P5PP/5K2/R1R5 b - -
00:00:00 1.00 -17.83 1..Qd1 2.Rxd1
00:00:00 1.01 -17.71 1..Qc2 2.Rxc2
00:00:00 1.03 -8.95 1..f5 2.Qxg7
00:00:00 1.14 -8.72 1..Qd4 2.Kg2 Qd2 3.Kh1
00:00:00 2.00 -8.72 1..Qd4 2.Kg2 Qd2 3.Kh1
00:00:00 3.00 -8.52 1..Qd4 2.Kg2 f5 3.a4
00:00:00 4.00 -8.58 1..Qd4 2.Kg2 Qb2 3.Kh1 f5 4.a4
00:00:00 5.00 -8.84 1..Qd4 2.Kg2 Qb2 3.Kh1 Qf2 4.Qxg7
00:00:00 6.00 -8.74 1..Qd4 2.Kg2 Qb2 3.Kh1 Qf2 4.Qxg7 Qf3 5.Kg1
Qe3 6.Kf1
00:00:00 7.00 -8.18 1..Qd4 2.Kg2 Qd2 3.Kh1 Qe3 4.Rg1 Qc3 5.a4
00:00:00 7.08 -8.18 1..Qb3
00:00:00 7.08 -6.46 1..Qb3 2.Qd8 Qf3 3.Ke1 Qxg3 4.Kd1 Qf3 5.Kd2
Qf2 6.Kc3 Qf6 7.Qd4
00:00:00 8.00 -6.46 1..Qb3 2.Qd8 Qf3 3.Ke1 Qxg3 4.Kd1 Qf3 5.Kd2
Qf2 6.Kc3 Qe3 7.Kc2 Qxh3
00:00:02 9.00 -3.71 1..Qb3 2.Qd8 Qf3 3.Ke1 Qxg3 4.Kd1 Qg1 5.Kc2
Qc5 6.Kb1 Qb5 7.Ka2 Qe2 8.Qd2 Qc4 9.Rxc4 f5
00:00:02 10.00 -3.71 1..Qb3 2.Qd8 Qf3 3.Ke1 Qxg3 4.Kd1 Qg1 5.Kc2
Qc5 6.Kb1 Qb5 7.Kc2 Qc5 8.Kb1 Qb5 9.Kc2
00:00:18 11.00 -0.51 1..Qb3 2.Rc8 Qf3 3.Ke1 Qxg3 4.Kd1 Qd3 5.Kc1
Qe3 6.Kb2 Qe2 7.Kb1 Qb5 8.Ka2 Qe2 9.Kb3 Qd3
10.Kb4 Qd4 11.Rc4 Qd2 12.Kc5 b6 13.Kc6
00:00:29 12.00 0.00 1..Qb3 2.Rc8 Qf3 3.Ke1 Qxg3 4.Kd1 Qd3 5.Kc1
Qf1
00:00:33 13.00 0.00 1..Qb3 2.Rc8 Qf3 3.Ke1 Qxg3 4.Kd1 Qd3 5.Kc1
Qf1
00:00:49 14.00 0.00 1..Qb3 2.Rc8 Qf3 3.Ke1 Qxg3 4.Kd1 Qd3 5.Kc1
Qf1
00:01:17 15.00 0.00 1..Qb3 2.Rc8 Qf3 3.Ke1 Qxg3 4.Kd1 Qd3 5.Kc1
Qf1
00:02:54 16.00 0.00 1..Qb3 2.Rc8 Qf3 3.Ke1 Qxg3 4.Kd1 Qd3 5.Kc1
Qf1
00:04:16 17.00 0.00 1..Qb3 2.Rc8 Qf3 3.Ke1 Qxg3 4.Kd1 Qd3 5.Kc1
Qf1
00:10:08 18.00 0.00 1..Qb3 2.Rc8 Qf3 3.Ke1
Eelco
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