Author: Anthony Cozzie
Date: 09:28:24 10/19/04
Go up one level in this thread
On October 19, 2004 at 12:13:49, Will Singleton wrote: >On October 19, 2004 at 10:37:36, Eelco de Groot wrote: > >>On October 19, 2004 at 09:09:42, Anthony Cozzie wrote: >> >>>[D]4r3/QbpR1ppk/pr5p/1pq1P3/2p1PP2/P5PP/1P4B1/3R3K w - - 0 27 >>> >>Pro Deo with custom settings also expects a draw after exchange of Rooks. Slow >>Celeron 500 MHz, 28 Mb HT >> >>00:00:09.3 0,00 10 1159298 Rd8 Rxd8 Rxd8 Qe3 Qb8 Bxe4 Rh8+ Kg6 >Qxc7 Bxg2+ Kxg2 Qe2+ Kg1 Qe1+ Kh2 Qf2+ Kh1 Qf1+ Kh2 Qf2+ Kh1 Qf1+ Kh2 > >>00:06:18.7 0,00 13 63625473 Rd8 Rxd8 Rxd8 Qe3 Qb8 Bxe4 Rh8+ Kg6 >>00:13:59.3 0,00 14 145222009 Rd8 Rxd8 Rxd8 Qe3 e6 Bxe4 exf7 Bxg2+ >> > >Pro Deo looks like it has a problem. The pv for ply 9 is no draw, Qb8 should be >e6. It still shows the bogus line for ply 13, finally finding the right move in >ply 14. > >An engine that doesn't consider underpromos will never see the draw. I am not sure it is a draw. Zappa had a draw score on Rd8 but eventually failed low. Sadly I don't remember its PV :( anthony
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