Author: Art Basham
Date: 13:11:58 05/28/03
Go up one level in this thread
Thanks so much Ed... I will give that a try...:-) Keep up the good work! Art ++++++++++++++++++++++++++++ On May 28, 2003 at 12:41:58, Ed Schröder wrote: >On May 28, 2003 at 10:37:24, Art Basham wrote: > >>I was wondering if anyone else has tested Rebel 12 lately... >> >>In this position...White plays BxP ch. >> >>[D]4rrk1/2q2ppp/p1b1p3/1p1pP1B1/2n5/P1PB4/1P2QPPP/R3R1K1 w - - 0 1 >> >>On my computor... >> >>Rebel 3 finds it at only 6 ply in 1:48 min. >> >>Rebel 10..... finds it at only 6 ply in just 29 sec. >> >>but Rebel 12 takes longer... >>it finds it in 5:17 minutes at 11 ply...! >> >>I am just wondering why Rebel 12 would take longer than the other >>versions... >> >>On other test positions, Rebel 12 is the fastest, but on this one, it is not... > >Art, > >It's because Rebel Decade 3 and Rebel 10 by default start a special "tactical >search" when it is fed with a position, I took that out later. You can more or >less simulate the "tactical search" within Rebel 12 (DOS) via the OPTION menu. > >OPTIONS -> Tactical Engine > >And it will find Bxh7+ within seconds, 6 seconds to be precise on an A1200. > >Ed > >================== > >00:00:04 10.00 0.62 1.Qh5 g6 2.Qh6 f5 3.exf6 Nxb2 4.Bxg6 > hxg6 5.Qxg6 Kh8 6.Bh6 Rf7 7.Bg7 (4) > >00:00:06 10.08 0.62 1.Bxh7+ >00:00:07 10.08 0.62 1.Bxh7+ >00:00:08 10.08 4.22 1.Bxh7+ Kxh7 2.Qh5 Kg8 3.Bf6 gxf6 4.Qg4 > Kh7 5.exf6 Kh6 6.f4 Qxf4 7.Qxf4 Kh7 (7) > >00:00:09 11.00 4.22 1.Bxh7+ Kxh7 2.Qh5 Kg8 3.Bf6 gxf6 4.Qg4 > Kh7 5.exf6 Kh6 6.f4 Qxf4 7.Qxf4 Kh7 (8) > >00:00:19 12.00 5.48 1.Bxh7+ Kxh7 2.Qh5 Kg8 3.Bf6 Nxe5 4.Rxe5 > Qxe5 5.Bxe5 f6 6.Bd6 (14) > >00:00:24 13.00 5.44 1.Bxh7+ Kxh7 2.Qh5 Kg8 3.Bf6 Nxe5 4.Rxe5 > Qxe5 5.Bxe5 f6 6.Bd6 (21)
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