Author: Michael Henderson
Date: 10:25:52 08/21/04
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On August 21, 2004 at 11:30:25, Rick Bischoff wrote: >The first move searched at every ply is Rc8-- That allows black to queen safely, >hence the -300. Just a coincedence in the move ordering. If Re8 or Ra2 was the >first move searched, we wouldn't see the -300 at all. > >> >>How are the values < -300 getting backed up with hash table off? You have at >>least 0 at any depth. >>***** >>With the hash table off, I get a series of lines, albeit much slower: >> >>2 -355 157 Rc8 e1Q Rc7 Kd3 >>2 0 434 Re8 e1Q Rxe1 Kxe1 >>2 314 2182 Ra2 Kd1 Ra1 Kd2 <-- this is the drawing line >>4 -355 7305 Rc8 e1Q Rc7 Qh4 Kc5 >>4 -345 12008 Rd8 e1Q Kc4 Kc2 Rd7 >>4 0 15734 Re8 e1Q Rxe1 Kxe1 >>4 314 68783 Ra2 Kd1 Ra1 Kd2 Ra2 Kd1 Ra1 Kd2 <-- here it is again >>6 -365 445654 Rc8 e1Q Rc7 Qh4 Kc5 Qg5 Kd6 Kd3 >>6 -355 804284 Rd8 e1Q Rd7 Qh4 Kd5 Kc3 Ke6 >>6 0 956026 Re8 e1Q Rxe1 Kxe1 >>8 -375 29705128 Rc8 e1Q Rc7 Qh4 Kc5 Ke3 Kc6 Kd4 Rd7 Ke5 Kc5 <-- Start of a new >>search, which means the drawing line never became the PV, which means everything >>is working.. right? >>***** Ok I understand now, usually what I do is not display non-optimal PVs, I wait until i finish the ply to display a PV. I think I just wasn't paying attention... Michael
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