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Subject: Test your engines!

Author: Bahram Namjou

Date: 10:04:53 09/04/05


In this position, it is interesting to note that only chess tiger14 understand
white is going to mate very soon. This engine saw this in less than 3 seconds!!!
Newer engines such as shredder, toga, fruit, hiarcs, crafty all were not able to
see it is coming even after 5 minutes...I like to know the reason for this if
someone knows...
and how about other engines!...


8/8/8/3k2K1/2q3PP/8/p7/5Q2 w - - 0 90




Analysis by Chess Tiger 14.0:

=  (0.00) 90.Qf5+ Kc6 91.Qf6+ Kd7 92.Qg7+ Kc6 93.Qf6+   00:00:00
³  (-0.30) 90.Qg2+ Kd4 91.Qd2+ Ke4 92.Qb2 Qd5+ 93.Kg6 Qe6+ 94.Kh7 Qe7+ 95.Kg6
Qxh4   00:00:00
µ  (-1.20) 90.Qg2+   00:00:01
-+  (-6.14) 90.Qg2+ Kd4 91.Qd2+ Ke4 92.Qg2+ Kd3 93.Qf1+ Kc3 94.Qa1+ Kb3 95.h5
Qc3 96.Qxc3+ Kxc3 97.h6 a1Q   00:00:03
-+  (-6.14) 90.Qg2+ Kd4   00:00:04
-+  (-6.37) 90.Qg2+ Kd4 91.Qd2+ Ke4 92.Qg2+ Kd3 93.Qf3+ Kc2 94.Qf2+ Kb3 95.Qb6+
 00:00:06
-+  (-6.65) 90.Qg2+ Kd4 91.Qd2+ Ke4 92.Qg2+ Kd3 93.Qf1+ Kc3 94.Qa1+ Kb3 95.h5
Qd3 96.h6 Qb1 97.Qd4 Qc1+ 98.Kh5 Qh1+ 99.Kg5   00:00:25
-+  (-6.64) 90.Qf5+ Kd4 91.Qf6+ Ke4 92.Qf5+ Ke3 93.Qe5+ Kd3 94.Kh5 Qd4 95.Qb5+
Kc2 96.Qe2+ Kb3 97.Qe6+ Ka3 98.Qe7+ Kb2   00:00:33
-+  (-6.65) 90.Qf5+ Kd4 91.Qf6+ Kd3 92.Qf5+ Kc3 93.Qe5+ Qd4 94.Qa5+ Kb2 95.Qb5+
Kc1 96.Qc6+ Kb1 97.Qb7+ Kc2 98.Qc6+ Qc3   00:01:11
-+  (-6.69) 90.Qf5+ Kd4 91.Qf6+ Kd3 92.Kh5 Qb5+ 93.g5 Qb1 94.Qd6+ Kc2 95.Qc6+
Kd2 96.Qd5+ Ke2 97.Qe6+ Kf2 98.Qf6+ Kg3   00:02:54




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