Author: Slater Wold
Date: 22:14:30 03/15/02
Go up one level in this thread
On March 15, 2002 at 21:45:39, Scott Gasch wrote: >On March 15, 2002 at 19:27:32, Slater Wold wrote: > >> ext-> chk=17801393 cap=870361 pp=502965 1rep=1877028 mate=95160 >>sing=16 >^^^^^^^^ >... > >>From my (very unstable) Crafty. As you can see, it's using singular >extensions. > >Is that all the singular extensions it saw in the whole search? My engine only >does singular in check and it saw way more... What is your singular margin / >how are you checking for singular moves? > >Monsoon says: > 1u -3.95 00:00:00.01 81 PV= 1. g5 Rxc2+ [Q] 2. Qxc2 [Q] Bxc2 > > [Q] 3. Kxc2 [Q] <-3.00> > 1u -3.75 00:00:00.01 123 PV= 1. b3 Bxb3 [Q] <-2.00> > 1u -2.44 00:00:00.02 177 PV= 1. c3 Bxd1 [Q] 2. Rxd1 [Q] <-3.00> > 1u -0.92 00:00:00.04 235 PV= 1. Be4 <-1.00> > 1. -0.92 00:00:00.06 278 PV= 1. Be4 <-1.00> > 2. -1.11 00:00:00.12 698 PV= 1. Be4 Bc6 2. Bxc6+ [Q] Rxc6 [Q] > > <-1.00> > 3. -1.00 00:00:00.19 2767 PV= 1. Be4 d5 2. Bd3 <-1.00> > 4. -1.32 00:00:00.27 7968 PV= 1. Be4 b3 2. c3 Bc6 3. Bxc6+ [Q] > > Rxc6 [Q] 4. exd6 [Q] Rxd6 [Q] <-1.00> > 5+ -0.66 00:00:00.53 45898 exd6!! > 5. -0.56 00:00:00.65 56871 PV= 1. exd6 Bxd4 2. d7+ Bxd7 [anti] > > 3. Qxd4 <-1.00> > 6. -0.90 00:00:00.97 102128 PV= 1. exd6 Bxd4 2. d7+ Bxd7 [sing] > > 3. Qxd4 Nf6 4. Bd5 b3 <-1.00> > 7. -0.44 00:00:01.89 253619 PV= 1. exd6 Bxd4 2. d7+ Bxd7 [sing] > > 3. Qxd4 Nf6 4. Re1 Kf8 5. Nd2 <-1.00> > 8. -0.97 00:00:04.00 634343 PV= 1. exd6 Bxd4 2. d7+ Bxd7 [sing] > > 3. Qxd4 Nf6 4. Re1 b3 5. Na3 bxc2 > > 6. Nxc2 [Q] <-1.00> > 9. -0.97 00:00:10.67 1836312 PV= 1. exd6 Bxd4 2. d7+ Bxd7 [TT: Qxd4 > > Nf6 Rhe1 b3 Na3 bxc2 ...] >10. -0.49 00:00:28.18 5031155 PV= 1. exd6 Bxd4 2. d7+ Bxd7 3. Qxd4 > > Nf6 4. Rhe1 b3 5. c4 Kf8 6. Nc3 > > <-1.00> >11. -0.36 00:01:11.54 13433262 PV= 1. exd6 Bxd4 2. d7+ Bxd7 [sing] > > 3. Qxd4 Nf6 4. g5 b3 5. c4 Bf5 6. > > Na3 Qa1+ 7. Kd2 Rd8 8. Rxa1 [Q] > > Rxd4+ [Q] 9. Kc3 [Q] <-1.00> >? (of 38) : exd6 0x7ffffffe >INPUT THREAD SAW: ? >SEARCH SUSPENDED to read input (at 25353216 nodes) >MOVE NOW COMMAND --> stop searching now >move e5d6 > >HASHING: overall efficiencies (26.86% deep + 4.98% fast = 31.84%) > HITS exact : 96 upper: 46959 lower: 1334704 unusable: 1056761 > STORES exact: 164 upper: 464714 lower: 5263127 null: 3067120 > TOTAL stores: 8795125 probes: 7659365 hits: (2056954 / 381566) 2438520 > >PAWNHASH: overall efficiency 96.98% (77869010 / 80290520) > >EVALFULL: overall efficiency 12.07% (2770454 / 22952015) > >FLIPRATE: 0 / 0 (0.00%) > >TREE: nodes: 25353218 (94.18% first move betas) > TYPE termin: 101098 front: 11082590 qnode: 6597756 std.pat: 8276426 > CUTS nullmv: 3067120 recogn: 0 beta: 2196005 1stmv: 2068145 > hash: 1308638 extfut: 12755848 razor: 24984 %qnode: 26.02% > q.fut: 6808718 q.see: 8294863 lazyeval: 6113650 > >EXTEN: total: 1576108 > TYPE check: 2033515 threat: 24592 pawn: 0 recap: 91972 > !check: 791629 1reply: 191673 mult: 17823 trans: 0 > sex: 8161 zug: 1 > ^^^^^^^^^^^ > >132.4 seconds @ 191546.9 nps. It does the search, and searches for a margin. If the margin is greater than X it sends it back to Search() and extends 3/4 ply. And it is set rather high, at the moment. The only reason I did that is because it was doing *too* many extensions. I am still searching for that happy median. ;)
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