Author: kurt
Date: 08:16:06 11/07/00
Go up one level in this thread
On November 06, 2000 at 23:37:43, Paulo Soares wrote: >On November 06, 2000 at 21:49:09, Will Singleton wrote: > >>From the game Amateur-ZChess, bm Rfc1? if so, does your engine see why? >> >>[D]r5k1/p5bp/4p1p1/2Nb1r2/2pP2Q1/q3B3/P4PPP/1R3RK1 w - - > >Did Century 3.0 understand the position? I admit that I didn't understand, >although I have not analyzed for a long time. >PIII-450, HT=100Mb > >Paulo > > >Thinking.... > > +---+---+---+---+---+---+---+---+ New position - >8 | *R| | | | | | *K| | > +---+---+---+---+---+---+---+---+ 00:00:00 00:00:00 >7 | *p| | | | | | *B| *p| > +---+---+---+---+---+---+---+---+ >6 | | | | | *p| | *p| | Time infinite > +---+---+---+---+---+---+---+---+ Hash 100 Mb >5 | | | N | *B| | *R| | | Engine Rebel Century 3.0 > +---+---+---+---+---+---+---+---+ Personality Rebel Century 3 >4 | | | *p| p | | | Q | | anti-GM Off > +---+---+---+---+---+---+---+---+ Tactics Off >3 | *Q| | | | B | | | | Bluff Chess Off > +---+---+---+---+---+---+---+---+ Style Normal >2 | p | | | | | p | p | p | Strength Strongest > +---+---+---+---+---+---+---+---+ Search Normal Search >1 | | R | | | | R | K | | > +---+---+---+---+---+---+---+---+ > a b c d e f g h > >r5k1/p5bp/4p1p1/2Nb1r2/2pP2Q1/q3B3/P4PPP/1R3RK1 w - - > >[Event "?"] >[Site "?"] >[Date "??.??.????"] >[Round "?"] >[White "New position"] >[Black ""] >[Result "*"] >[WhiteElo "?"] >[BlackElo "?"] >[FEN "r5k1/p5bp/4p1p1/2Nb1r2/2pP2Q1/q3B3/P4PPP/1R3RK1 w - - 0 1"] > >1.* > >00:00:00 1.00 -2.75 1.Rb7 Bxb7 2.Nxb7 Qxa2 >00:00:00 1.06 -1.26 1.Rbe1 Qxa2 >00:00:00 1.08 -1.20 1.Rbc1 Qxa2 >00:00:00 1.11 -1.13 1.Rfd1 Qxa2 >00:00:00 1.12 -1.03 1.Rfe1 Qxa2 >00:00:00 1.18 -1.01 1.Bf4 Bxd4 >00:00:00 1.19 -0.67 1.Ra1 >00:00:00 1.26 -0.28 1.Qe2 >00:00:00 2.00 -0.40 1.Qe2 Raf8 >00:00:00 3.00 -0.41 1.Qe2 e5 2.dxe5 Bxe5 >00:00:00 4.00 -0.50 1.Qe2 c3 2.Rfe1 Qxa2 3.Qxa2 >00:00:00 5.00 -0.39 1.Qe2 e5 2.dxe5 Rxe5 3.Nd7 Ree8 >00:00:01 6.00 -0.47 1.Qe2 c3 2.Rfe1 Qxa2 3.Qxa2 Bxa2 > 4.Rb7 (0) > >00:00:03 7.00 -0.51 1.Qe2 e5 2.dxe5 Rxe5 3.Rfe1 Rc8 > 4.Rb5 Rce8 (1) > >00:00:05 8.00 -0.61 1.Qe2 e5 2.dxe5 Rxe5 3.Qd2 c3 4.Qc1 > Qa5 5.Rd1 Bxa2 (3) > >00:00:14 9.00 -0.63 1.Qe2 e5 2.dxe5 Rxe5 3.Rfd1 Qxc5 > 4.Bxc5 Rxe2 5.Rxd5 Rxa2 (10) > >00:00:34 10.00 -0.81 1.Qe2 e5 2.dxe5 Rxe5 3.Rbd1 Rae8 > 4.Qd2 c3 5.Qc1 Qb4 (24) > >00:00:50 10.01 -0.78 1.Qg3 Qxa2 2.Ra1 Qe2 3.Rfe1 Qb2 > 4.Reb1 Qc2 5.Rc1 Qb2 6.Rcb1 Qc2 > 7.Rc1 Qb2 (34) > >00:02:03 10.05 -0.71 1.Ra1 Rb8 2.Bc1 Qc3 3.Be3 Qb2 4.Rfc1 > e5 5.Na4 Qb4 (60) > >00:02:17 10.07 -0.60 1.Rfe1 Qxa2 2.Ra1 Qb2 3.Reb1 Qc3 > 4.Ra6 e5 5.Ne4 Bxe4 6.Qxe4 (125) > >00:08:14 11.00 -0.52 1.Rfe1 Rc8 2.Qh4 e5 3.Nd7 c3 4.dxe5 > Bxe5 5.Nxe5 c2 6.Rbc1 (144) > >00:12:05 11.17 -0.52 1.Rfc1 >00:13:21 11.17 -0.34 1.Rfc1 e5 2.dxe5 Bxe5 3.Rxc4 Qxa2 > 4.Rcc1 Re8 5.Kh1 Rh5 6.h3 Rf5 (725) > >00:22:02 12.00 -0.36 1.Rfc1 Rd8 > >Positions : 224.195.669 >Nodes per second : 167.435 > >Extensions (checks) : 6.060.966 (2%) >Extensions (captures) : 1.966.351 (0%) >Extensions (king safety) : 26.189 (0%) >Extensions (on depth) : 0 (0%) >Extensions (remaining) : 135.843 (0%) >Extensions (total) : 8.189.349 (3%) > >Hash Table : 1.812.560 1.974.505 (99%) >Average depth : 12 >Deepest depth : 43 > >The reason why Rfc1 is quite logical. >1.Computer sees Pawn loss on a2. >2.Can not find a defencive move for it. >3.Accepts loss and searches for continuation after the loss of pawn. >4.Finds Queen trap after Qa2 Rba1.Qb2 Rfb1 would force a draw. >5.Evaluation of other line comparision gives Rfc1! >regards,Kurt Widmann
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