Author: Ed Schröder
Date: 10:59:16 08/15/00
Go up one level in this thread
On August 15, 2000 at 08:13:13, Eelco de Groot wrote: > >I can hardly call Q5T my own creation, Ed. I am trying a bit to see if Eric >Campos' incredible Q3 personality can be modified and mollified to play under >Rebel Century 2.0 for ECTool. You posted the amazing result for the Morphy >position which Q3 found in 6 seconds. It was not entirely clear to me but I >think that was played with Q3 in the regular Century 1.0 from the CD-Rom? No I used the Rebel Century 3 beta edition for the Morphy position. >I made just one change so far, as a first try I increased Attractiveness by 50 >points to 250 in Q3. More or less at random and then tested it with my favourite >test-position, the position after 22. Rb5 in Rebel - Michael Rohde. > >[D]1r2r2k/1p4pp/1q1p4/1R1B1p2/1pPp4/4P1Pb/1P3P1P/Q3R1K1 b - - > >I really think Rebel should play 22.Qd8 here, not Qa6! Qa6 is bad a positional mistake indeed. I understand the thought behind Qa6 trying to get back the pawn but Qd8 moving to the white king is the right move. Like version 2.0 Century 3.0 (beta) has no problems to find Qd8 in a reasonable time. >I would really love to know if this personality can also play games, Ed, that's >a bit cumbersome to organize under ECTool, there is no timing algorithm etc. But >it is just one change, one would think some more testing is in order, just 11 >positions tested so far. Q5T may fail miserably in other positions.. To be >continued! > >Eelco > > >Logs: > >Morphy's move Ng3, Q5T needs 25 seconds on the Celeron 500MHz.: > >[D]r1bq1rk1/ppp3p1/7p/3P2n1/2PQ1p2/1N5P/PPP2PPK/R1B2R2 b - - > >Rebel Engine for ECTool. (c) Ed Schröder > >Engine version : REBEL CENTURY 2 >Rebel personality : q5t.eng >Opening book file : REBEL.MVS >Hash table size : 28 MB >Analysis mode : Analyzing next move >Refresh interval : 500 ms > >Game begin > >00:00 03.25 -1.36 1..Qd7 >00:00 04.00 0.09 1..Bxh3 2.Rd1 Qc8 3.Bxf4 Qg4 4.Bg3 >00:01 05.02 0.66 1..Nf3+ 2.gxf3 Qh4 3.c5 Bxh3 4.Rh1 Rae8 >00:02 06.00 -0.42 1..Nf3+ 2.gxf3 Qh4 3.Re1 Bxh3 4.c5 Bf1+ 5.Kg1 Bb5 >00:03 06.02 0.05 1..Nxh3 2.gxh3 Qh4 3.Bxf4 Rxf4 4.Qe3 Rf6 5.Qg3 Qxc4 6.Rg1 >00:08 07.00 0.60 1..Nxh3 2.d6 Qh4 3.Qd5+ Kh7 4.g3 Qg4 5.Kh1 fxg3 >00:22 08.00 0.50 1..Nxh3 2.gxh3 Qh4 3.Bxf4 Rxf4 4.Qe3 Rxc4 5.Qg3 Rg4 6.Qxh4 >Rxh4 7.c4 Bxh3 >00:25 08.01 0.63 1..Nf3+ 2.gxf3 Qh4 3.Re1 Bxh3 4.Nd2 Rae8 5.Ne4 Qh5 6.Qxa7 >Qxf3 >00:32 09.00 0.58 1..Nf3+ 2.gxf3 Qh4 3.Rh1 Bxh3 4.Bd2 Rae8 5.Bc3 Bf5+ 6.Kg1 >Qg5+ 7.Kf1 Rf6+ 8.Qxa7 >01:05 10.00 1.05 1..Nf3+ 2.gxf3 Qh4 3.Rh1 Bxh3 4.Bd2 Rae8+ 5.Nc5 Bf5+ 6.Kg1 >Qg5+ 7.Kf1 Bxc2+ 8.Nxb7 >03:26 11.00 2.59 1..Nf3+ 2.gxf3 Qh4 3.Rh1 Bxh3 4.d6 Rf5+ 5.Bxf4 >06:33 12.00 2.81 1..Nf3+ 2.gxf3 Qh4 3.Rh1 Bxh3 4.d6 Rf5+ 5.Bxf4 Rxf4 6.Qd5 >Be6+ 7.Kg1 Qxh1+ 8.Kxh1 Bxd5 9.cxd5 cxd6 10.Re1 >38:55 13.00 3.81 1..Nf3+ 2.gxf3 Qh4 3.Rh1 Bxh3 4.d6 Rad8+ 5.c5 Rf6 6.Bxf4 >Rxf4 7.Qe3 > >What I also wanted to mention, Rebel Century 1.2 has some problems just with >this position in the regular DOSstyle interface on my computer Ed, it crashes >reproducibly at 15 ply. Maybe its the same known interface problem , I believe >Q3 also crashed. I run No Vesa with a Velocity 100 fom 3DFX, I don't know if >that makes any difference. My notes say it crashes after 02:52:02 15.00 (+) >Ng5-f3 (142813) 1.474.121.167, second time after 1.474.039.789 positions. This is solved now. It was something PGN related in the log-file when writing the main-variation to hard disk. This was a hard bug to catch. Ed >Log Q5T about Rebel-Rohde: > >Rebel Engine for ECTool. (c) Ed Schröder > >Engine version : REBEL CENTURY 2 >Rebel personality : q5t.eng >Opening book file : REBEL.MVS >Hash table size : 28 MB >Analysis mode : Analyzing next move >Refresh interval : 500 ms > >Last Move : 22.Rb5 (Black to play) > > >00:00 05.00 -0.77 22..Qc7 23.exd4 b6 24.Rxe8+ Rxe8 25.Rxb4 >00:00 07.03 -0.47 22..Qd8 23.exd4 Ra8 24.Rxe8+ Qxe8 25.Qd1 >00:01 08.00 -0.62 22..Qd8 23.exd4 Ra8 24.Qd1 Rxe1+ 25.Qxe1 Qe7+ >00:01 09.00 -0.52 22..Qd8 23.exd4 Ra8 24.Qd1 Rxe1+ 25.Qxe1 Qe7+ 26.Qd1 >00:03 10.00 -0.38 22..Qd8 23.exd4 Ra8 24.Rxe8+ Qxe8 25.Qc1 Qe2 26.Rxb7 b3 >00:07 11.00 -0.43 22..Qd8 23.exd4 Ra8 24.Rxe8+ Qxe8 25.Qc1 Qe2 26.Rxb7 Re8 >27.Ra7 >00:10 11.01 -0.43 22..Qa6 >00:10 11.01 -0.30 22..Qa6 23.Qxa6 bxa6 24.Rxb8 Rxb8 25.exd4 f4 26.Re7 g6 >27.f3 Rc8 >00:15 12.00 -0.36 22..Qa6 23.Qxa6 bxa6 24.Rxb8 Rxb8 25.exd4 f4 26.Re7 fxg3 >27.fxg3 Rf8 28.Bg2 Bxg2 29.Kxg2 >00:28 12.01 -0.36 22..Qd8 >01:04 12.01 -0.20 22..Qd8 23.b3 dxe3 24.Rxe3 Rxe3 25.fxe3 Qe8 26.Qd4 Qe7 >27.Rxb4 >02:16 13.00 -0.07 22..Qd8 23.b3 dxe3 24.Rxe3 Ra8 25.Qd4 Re7 26.Kh1 Rxe3 >09:51 14.00 0.18 22..Qd8 23.Rxb7 Rxb7 24.Bxb7 dxe3 25.Rxe3 Rxe3 26.fxe3 >27:42 15.00 0.00 22..Qd8 23.b3 dxe3 24.Rxe3 Rxe3 25.fxe3 Qe8 26.Qd4 Qh5 >33:33 16.00 0.07 22..Qd8 23.Rxb7 Rxb7 24.Bxb7 dxe3 25.Rxe3 Rxe3 26.fxe3 > >(This was with Internet use during higher plies.) I have really no idea how good >the moves 23. b3 and 23. Rxb7 are in these variations..
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