Author: Paulo Soares
Date: 01:38:57 09/05/99
Go up one level in this thread
On September 05, 1999 at 04:05:40, Ed Schröder wrote: >On September 04, 1999 at 22:20:18, Robert Hyatt wrote: > >>On September 04, 1999 at 21:18:06, James Robertson wrote: >> >>>On September 04, 1999 at 18:24:57, Pierre Bourget wrote: >>> >>>> >>>>On September 04, 1999 at 18:05:04, Paulo Soares wrote: >>>> >>>>>Ed wrote in Rebel Board that Rebel lost after 10 crashes and the moves >>>>>of the game are lost. >>>>> >>>>>Paulo >>>> >>>>I was able to save the moves from ICC.Here is the game: >>>> >>>>Rebel10-5 - Hoffman,A (2524) [A59] >>>>Monthly GM Challenge chessclub.com, 04.09.1999 >>>>1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 g6 6.Nc3 Bxa6 7.Nf3 d6 8.e4 Bxf1 >>>>9.Kxf1 Bg7 10.g3 0-0 11.Kg2 Nbd7 12.Re1 Qb6 13.h3 Rfb8 14.Re2 Ne8 15.Bf4 Rb7 >>>>16.Qc1 Nc7 17.Bh6 Bh8 18.a4 Qa6 19.Ra2 Rab8 20.Re1 Rb4 21.Qc2 Ne5 22.Nxe5 Bxe5 >>>>23.f4 Bd4 24.Bg5 f6 25.Bh4 Qc4 26.Re2 Rb3 27.Nd1 Rxg3+ 28.Bxg3 Qxa2 29.Bf2 Bxf2 >>>>30.Rxf2 Rb4 31.Nc3 Qc4 32.f5 Qd4 33.fxg6 hxg6 34.Qe2 Kf7 35.Kh1 Rb8 36.Rg2 Rh8 >>>>37.Qg4 g5 38.Qf3 Qe5 39.Rg1 Na6 40.Rg4 c4 41.Kg2 Nc5 42.Qf5 Qd4 43.Kh2 Qe3 >>>>44.Rg2 Nd3 45.Nd1 Qc1 46.Nc3 Ne5 47.Ne2 Qxb2 48.a5 Qa3 49.Qe6+ Kf8 50.Nd4 Qc3 >>>>51.Qc8+ Kg7 52.Nf5+ Kh7 53.Qb7 Nf3+ 54.Kg3 Nh4+ 55.Kh2 Qe5+ 56.Rg3 Nxf5 57.exf5 >>>>Kg7 58.Qa7 c3 59.Qe3 Rc8 60.Qxe5 dxe5 61.Rg1 Ra8 62.Ra1 c2 63.Rc1 Rxa5 64.Rxc2 >>>>Rxd5 0-1 >>> >>>Quite a nice victory. Did Rebel's crashes cause it to make any really bad moves, >>>or are all good but just not good enough? >>> >> >> >>the bogus hardware likely made it make bad moves... At one point, Crafty was >>saying -2 (good for black) while Rebel was saying +2 (good for white). Clearly >>that was wrong... >> >>I have had people run crafty on overclocked AMD processors, and send me log >>files with moves/scores that are absolutely wrong and unreproducible. I think >>he got bit by the same bug. He also mentioned that in Paderborn (same hardware >>I think) that he saw bogus scores and illegal moves in the PV on occasion... >> >>It was definitely broken... > >In Paderborn I used the same machine. In round-1 the game Rebel-Arthur >Rebel showed illegal lines in its main-variations also several unsound >pawn sacrifices. After the game the machine was carefully investigated >by the KryoTech man who was present in Paderborn but no errors were found. > >I concluded it was software because some 4-5 months ago I had rewritten >the code of main variation (retrieving the info from the hash table) and >it was logical to assume (at the time) there maybe was a little bug inside. >I should have been more attentive. > >Ed > > > > >> >>>James >>>> >>>>Pierre the bogus hardware likely made it make bad moves... Attn one point, Crafty Independent the problem happened with Rebel, I think GM Hoffman had the merit of choosing an opening that the programs have difficulty to play. Paulo
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