Author: Sylvain Renard
Date: 03:33:45 04/23/00
Go up one level in this thread
On April 22, 2000 at 10:51:27, Pierre Bourget wrote:
>Is it true in this position that Hiarcs play Qf7+ ?? because of the tablebase ?
>Isn't it a little ridiculous.Look here for Tim Krabbe opinion:
>
>http://www.xs4all.nl/~timkr/chess2/diary.htm
>
>[D]5k2/2Q5/8/8/5p2/5P2/5P2/K7 w - - 0 1
Of course, the first thing my program does is to see a mate in 25
with Qf7+ ?! But then, it looks for a shortest mate, and
at last, it plays Kb2! and announces mate in 6 moves!
It could have seen Kb2 faster? Well, give me a faster
computer and more memory, and it will play Kb2 in a few seconds...
Best regards,
Sylvain Renard
go
94190 <first : 0 1175 0 5 Qc7xf4 Kf8e8 0
94300 <first : 0 32718 22 13 MAT EN 25 COUPS Qc7f7
94300 <first : 0 32718 22 15 MAT EN 25 COUPS Qc7f7 Kf8xf7 2
94300 <first : 1 32718 22 44 MAT EN 25 COUPS Qc7f7 Kf8xf7 4
94360 <first : 2 32718 22 79 MAT EN 25 COUPS Qc7f7 Kf8xf7 6
94470 <first : 3 32718 39 306 MAT EN 25 COUPS Qc7f7 Kf8xf7 16
94800 <first : 3 32722 66 1681 MAT EN 23 COUPS Ka1b2
94800 <first : 3 32722 66 1720 MAT EN 23 COUPS Ka1b2 Kf8g8 Qc7g7 Kg8xg7 44
94800 <first : 4 32722 72 1861 MAT EN 23 COUPS Ka1b2 Kf8g8 Qc7g7 Kg8xg7 48
95570 <first : 5 32724 143 9376 MAT EN 22 COUPS Ka1b2 Kf8g8 Kb2c2 Kg8f8 Qc7f7
Kf8xf7 143
96720 <first : 6 32724 264 29702 MAT EN 22 COUPS Ka1b2 Kf8g8 Kb2c2 Kg8f8 Qc7f7
Kf8xf7 311
98090 <first : 7 32724 385 88140 MAT EN 22 COUPS Ka1b2 Kf8g8 Kb2c2 Kg8f8 Qc7f7
Kf8xf7 610
100290 <first : 8 32724 615 208017 MAT EN 22 COUPS Ka1b2 Kf8g8 Kb2c2 Kg8f8 Qc7f7
Kf8xf7 1083
103800 <first : 9 32728 967 462956 MAT EN 20 COUPS Ka1b2 Kf8g8 Kb2c3 Kg8f8
Qc7xf4 Kf8e8 Kc3d4 Ke8d8 2003
107810 <first : 10 32728 1362 757619 MAT EN 20 COUPS Ka1b2 Kf8g8 Kb2c3 Kg8f8
Qc7xf4 Kf8e8 Kc3d4 Ke8d8 3424
111050 <first : 10 32730 1687 1160696 MAT EN 19 COUPS Qc7xf4
111160 <first : 10 32730 1697 1177411 MAT EN 19 COUPS Qc7xf4 Kf8e7 Qf4c7 Ke7e6
f3f4 Ke6f6 Qc7d6 Kf6f5 5566
113970 <first : 10 32740 1989 1266102 MAT EN 14 COUPS Qc7d7
113970 <first : 10 32740 1989 1266214 MAT EN 14 COUPS Qc7d7 Kf8g8 Qd7d6 Kg8g7
Qd6xf4 Kg7h7 Qf4g4 Kh7h8 5914
147250 <first : 11 32740 5295 10266032 MAT EN 14 COUPS Qc7d7 Kf8g8 Qd7e7 Kg8h8
Qe7c7 Kh8g8 Qc7xf4 Kg8g7 7873
151320 <first : 11 32752 5691 10603965 MAT EN 8 COUPS Ka1b2
153130 <first : 11 32756 5899 10662211 MAT EN 6 COUPS Ka1b2 Kf8g8 Kb2c3 Kg8h8
Kc3d4 Kh8g8 Kd4e5 Kg8f8 10641
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