Author: Uri Blass
Date: 17:25:04 05/21/04
Go up one level in this thread
On May 21, 2004 at 20:17:21, Mike Byrne wrote: >On May 21, 2004 at 19:32:33, George Tsavdaris wrote: > >>Black threatens mate and white's Queen. What white should play? >>Give it's Queen of course! Qf4!! and white is winning. >> >> Impressive for humans but not for computers, as any chess engine can solve >>this in seconds.... >> >>[D]1kbr3r/pp6/8/P1n2ppq/2N3n1/R3Q1P1/3B1P2/2R2BK1 w - - 0 1 > > >Black(1): mt 2 >max threads set to 2 >Black(1): 1kbr3r/pp6/8/P1n2ppq/2N3n1/R3Q1P1/3B1P2/2R2BK1 w - - 0 1 >White(1): go > clearing hash tables > time surplus 29.92 time limit 1666:39 (1666:39) > depth time score variation (1) >starting thread 1 > 1 0.00 2.84 1. Qxc5 > 1-> 0.00 2.84 1. Qxc5 > 2 0.00 -1 1. Qxc5 > 2 0.00 -Mat01 1. Qxc5 Qh1# > 2 0.00 -9.26 1. Qe5+ Nxe5 2. Nxe5 Rxd2 3. Rxc5 > 2 0.02 -8.25 1. Bg2 Nxe3 2. Rxe3 > 2-> 0.02 -8.25 1. Bg2 Nxe3 2. Rxe3 > 3 0.02 -8.25 1. Bg2 Nxe3 2. Rxe3 > 3-> 0.04 -8.25 1. Bg2 Nxe3 2. Rxe3 > 4 0.04 -8.62 1. Bg2 Nxe3 2. Rxe3 Qh2+ 3. Kf1 Nd3 > 4-> 0.05 -8.62 1. Bg2 Nxe3 2. Rxe3 Qh2+ 3. Kf1 Nd3 > 5 0.07 -8.58 1. Bg2 Nxe3 2. Rxe3 Nd3 3. Rc2 > 5 0.07 -8.29 1. Qf4+ gxf4 2. Bxf4+ Ka8 3. Nb6+ axb6 > 4. axb6+ Na6 5. Rxc8+ Rxc8 6. Rxa6+ > bxa6 7. Bg2+ Rc6 8. Bxc6# > 5-> 0.08 -8.29 1. Qf4+ gxf4 2. Bxf4+ Ka8 3. Nb6+ axb6 > 4. axb6+ Na6 5. Rxc8+ Rxc8 6. Rxa6+ > bxa6 7. Bg2+ Rc6 8. Bxc6# (s=9) What is this? Crafty evaluates mate as -8.29 pawns? Movei always evaluates mate as Mate-ply when ply is the number of plies from the root position. Uri
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