Author: Uri Blass
Date: 22:37:01 11/29/02
Go up one level in this thread
On November 29, 2002 at 22:34:40, scott farrell wrote: >On November 29, 2002 at 21:12:55, Scott Gasch wrote: > >>On November 29, 2002 at 17:22:20, Will Singleton wrote: >> >>>2rr3k/1p4p1/1P2b2p/p1Bnpp1q/8/Q1P2PP1/P6P/RB3RK1 b - - 0 26 >>> >>>Solution times (amd 1.6ghz): >>> >>>Yace not in 5 min >>>Crafty not in 5 min >>>Aristarch 3:48 min >>>Gromit 3:12 min >>>Ruffian 44 sec >>>CM9000 5 sec >>> >> >>Monsoon fails high in 2:16 and resolves a PV in 4:27. >> >> 1u +0.35 00:00:00.02 11 PV= a4 <+0.00> >> 1u +1.35 00:00:00.05 57 PV= Nf4 <+0.00> >> 1. +1.35 00:00:00.08 77 PV= Nf4 <+0.00> >> 2- +0.57 00:00:00.13 190 **FL** -- >> 2u -0.47 00:00:00.14 302 PV= Ra8 1. Bd3 <+0.00> >> 2u -0.36 00:00:00.15 380 PV= Rc6 1. Qxa5 <-1.00> >> 2u -0.10 00:00:00.16 448 PV= Nf6 1. Qxa5 <-1.00> >> 2. -0.10 00:00:00.21 508 PV= Nf6 1. Qxa5 <-1.00> >> 3. +0.59 00:00:00.27 1635 PV= Nf6 1. Qxa5 e4 <-1.00> >> 4u +0.64 00:00:00.31 6748 PV= Rc6 1. Bd3 Nxb6 2. Bxb6 Rxb6 [Q] >> > 3. Qxa5 [Q] <+0.00> >> 4. +0.64 00:00:00.38 9055 PV= Rc6 1. Bd3 Nxb6 2. Bxb6 Rxb6 [Q] >> > 3. Qxa5 [Q] <+0.00> >> 5+ +1.40 00:00:00.47 22433 Nf6! ++ >> 5. +1.49 00:00:00.63 42341 PV= Nf6 1. Bd6 Bc4 2. Re1 Qxf3 3. Bxe5 >> > [Q] <+0.00> >> 6. +1.52 00:00:00.93 90963 PV= Nf6 1. Bd6 e4 2. fxe4 fxe4 3. Bc2 >> > <+0.00> >> 7. +1.77 00:00:01.49 209895 PV= Nf6 1. Bc2 Rd2 2. Rf2 Rxf2 3. Bxf2 >> > Qxf3 4. Qxa5 [Q] <+0.00> >> 8. +1.77 00:00:03.82 698640 PV= Nf6 1. Bc2 Rd2 2. Rf2 Rxf2 3. Bxf2 >> > Qxf3 4. Qxa5 <+0.00> >> 9+ +2.52 00:00:05.36 994464 Nf6! ++ >> 9. +2.71 00:00:08.69 1812429 PV= Nf6 1. Bd6 Bc4 2. Rf2 e4 3. g4 Nxg4 >> > 4. fxg4 Qxg4+ [+] 5. Bg3 Rd1+ >> > [Q] 6. Kg2 [Q] <-1.00> >>10. +3.02 00:00:26.78 5824368 PV= Nf6 1. Bd6 Bc4 2. Rf2 e4 3. Bc2 >> > e3 4. Rg2 Qxf3 5. Re1 <+1.00> >>11+ +3.77 00:02:16.62 28726569 Nf4! ++ >>11. +5.19 00:04:27.40 58248289 PV= Nf4 1. gxf4 Rd2 2. Bf2 [threat] >> > Qxf3 3. Qxa5 Bd5 4. Qxd5 [threat] >> > Qxd5 5. Bxf5 Rf8 6. c4 Qxc4 [Q] >> > <+3.00> > >How do you guys get this sort of output? I also do not understand it. Monson finished depth 10 with Nf6 in the pv but I do not see pv for Nf6 at depth 11. Does it start analyzing Nf4 and not Nf6 at depth 11? > >My engine doesnt report the final move Nf4 until it has fully analysed that >move, and hence already has the PV. I do not understand. Do you use normal alpha beta? I try to find if other moves are better than the best move that I found. For that purpose I use a window of 0.01 pawns. If they are better I have a fail high and increase the size of the window from 0.01 pawns to something bigger than 0.01 pawns. Uri
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