Author: Chessfun
Date: 08:47:28 11/27/99
Go up one level in this thread
On November 27, 1999 at 11:30:22, Chessfun wrote: >On November 27, 1999 at 02:08:20, allan johnson wrote: > >>On November 26, 1999 at 03:12:49, allan johnson wrote: >> >>> Could someone with a Rebel 10 on a fairly fast machine tell me how long it >>>takes to find Bb5 in the following problem. >>>2r1r1k1/pp1bb2p/3pppp1/q6n/4P2Q/2N1BPP/PPP1BP2/2KR2R1 (white to move) >>> On my Celeron 433 64mb ram Rebel 9 finds Bb5 in 1.17min.It is not until >>>2.43mins that it also locates the sac bxg5 after 1Bb5 Bxb5 2Qxh4 g5.Up until >>>then it suggests h4. >>>I'd also be interested in how long it takes Fritz6 to find the moves Results >>>will effect my next computer chess program purchase. >>>Thanks Allan >> >>Sorry about the stuff up.Late night you know.Anyway it should read >>2N1BPP1 on line 6 and Qxh5 move 2. > >------------------------ > >Again this is wrong should be 2N1BP1P on line 6. > >Anyway takes my rebel10 c strongest settings 10 secs to see it, >19 secs on cel 433a 64mb ram to post the line. >Line at 19 secs 1.. Bb5 Bxb5 2.. Qxh5 g5 3.. Be3xg5 f6xg5 4.. Rg1xg5+. > >Rebel 9 same machine. >Takes exactly the same time to see the exact same line. > >Maybe you are looking at line C score for your 1.17 not line A time? >since I get at 1.09 mins with sys tiger on rebel 10 a line score >of 1.17 with the line you produced. > >Thanks. > >------------------------ > BTW takes Hiarcs 7.32 same machine 41 kn/s only 3 secs to see it at depth 7/23 then it changes to 1 e5 and stays with that for the two mins i tried it posting +- (1.45). for 1..e5 Kh8 2..exd6 Bf8 3..f4 Fritz 5.32 16 secs to post. 1.. Bb5 and stays with it posting +- (1.84)after 1.22 mins at depth 11/37. Thanks. > > >>The position arises from a game back in 1986 between Hitech and Schach 2.7 >>Dr Laszlo Lindner who reviewed the game in Chess Life (nov 1986) said that >>Hitech's creative achievement in this game represented a milestone in computer >>chess."If Schach 2.7 had accepted White's rook sac on move 23 there would >> have been 10 distinct mating variations with the black king mated on 10 >>differnt squares!" >>The full game is below >> White Hitech >> Black Schach >> Opening Sicilian Defence >> 1e4 c5 >> 2Nf3 d6 >> 3Bc4 e6 >> 4d4 cxd4 >> 5Nxd4 Nf6 >> 6Nc3 Be7 >> 7Be3 Nbd7 >> 8Qd2 Ne5 >> 9Be2 0-0 >> 10h3 Bd7 >> 11Nf3 Nxf3+ >> 12gxf3 Qa5 >> 130-0-0 Rac8?(Rfc8) >> 14Rhg1 Rfe8 >> 15Bh6 g6 >> 16Bg5 Qc5? b5 was suggested >> 17Qf4 Nh5 I know Fischer can get away with it but knights on >> the side of the board?Hmmm >> 18Qh4 f6 >> 19Be3 Qa5 >> 20Bb5! Bxb5 >> 21Qxh5 g5 Apparently at this stage GM Hort said that if you played >> 21..Rxc3 then black threatens 22...Rxc2+! 23Kb1 Rxb2+!! >> 24Kxb2 Qb4+ and black forces mate.Hans Berliner, the >> developer of Hitech then pointed out that Hitech calculated >> mate in 7 after 21...Rxc3 22Rxg6+ Kh8 23Qxh7+Kxh7 24Rh6+ Kg7 >> 25Rg1 Kf8 26Rh8+ Kf7 27Rh7+ Kf8 28Bh6 mate.Everyone in the hall >> ,according to Lindner, was stupified. >> Anyway back to the game >> 22Bxg5 fxg3 >> 23Rxg5+!! Kh8 >> 24R(d)g1 Resigns >> So what do people think of the standard of play in this game?How does it >> rate in terms of chess understanding in relation to today's programs/ >> Is it possible to evaluate a progam's strenght from a game like this? >> As I said in one comment Knights on the side of the board is something I try to >>avoid.I know that sometimes it's difficult to do and a situation might arise >>in which it is useful to put it there.The point is though could the position >>have been avoided with better previous moves?Comments anyone? >>Regards Rabbits
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