Author: ALI MIRAFZALI
Date: 14:03:04 12/29/01
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On December 29, 2001 at 16:11:31, Mark Young wrote: >On December 29, 2001 at 14:07:22, ALI MIRAFZALI wrote: > >>There has been some speculation lately on the strenght difference between >>Deep Blue and current top commercial programs.According to Mig from >>www.kasparovchess.com programmers are divided on this topic some believing >>that Deep Bluecan crush any commercial program and some believing that top >>programs today have enough chess knowlegde to compensate the huge >>hardware difference.As a step in this direction many people have analyzed >>the kasparov Deep blue matches with varying speculative results.I think 6 >>or 12 games is not enough for a scientific result .Here I present another >>step in this direction.To my knowlegde this is one of the very few games >>in which we have published analysis from IBM's Supercomputer Deep Blue >>free to the general public.The game is Gulko(white ) vs Benjamin (Black) >>My source is CHESS LIFE(a magazine published in the US)The issue number >>is January 1997.This game is from the 1996 US championship.Please refer to >>the above mentioned issue for the complete game score.The article was >>written by Joel Benjamin.The following diagram is a variation from >>Gulko vs Benjamin >>[D]2b1k3/6p1/p1p3p1/P1n1Pp2/8/2N4N/1r1r2PP/R1KB3R w >>In the article Benjamin claims that he thought that in the above diagram >>black is winning but Deep Blue demonstrates otherwise .From the article: >>29.Nf4 g5 30.Rb1! Rxb1+ 31.Kxd2 Rb2+ 32.Kc1 Rf2 33.Bh5+ Kd8 34.Rd1+ Kc7 >>35.Nd3 Nxd3+ 36.Rxd3 Rxg2 37.Rg3 and White is winning -Deep blue.Here is >>the analysis of CM8K(My favorite program)of the above diagram >>29.Nf4 g5 30.Rb1 Rxb1+ 31.Kxd2 Rb2+ 32.Kc1 Rf2 33.Bh5+ Kd8 34.Nfe2 Rxg2 >>35.Bf3 Rf2 .Which program analyzed better?? Please indicate the result >>of your program.It would be interesting to know that if there is a >>program that gets the same principal variation as Deep Blue in the above >>diagram.Maybe even a better line?! > >Either the position is to simple to be a good example for Micros vs Deep Blue or >micro's are now equal to Deep Blue. Today programs have not trouble seeing that >White is better here and see it in less then 1 sec. > >New position >2b1k3/6p1/p1p3p1/P1n1Pp2/8/2N4N/1r1r2PP/R1KB3R w - - 0 1 > >Analysis by Chess Tiger 14.0: > >1.Nf4 g5 2.Rb1 Rxb1+ 3.Kxd2 Rxd1+ 4.Rxd1 gxf4 5.Kc2 g5 6.Rd6 > +- (1.68) Depth: 8 00:00:00 113kN >1.Nf4 g5 2.Rb1 Rxb1+ 3.Kxd2 Rxd1+ 4.Rxd1 gxf4 5.Rb1 g5 6.Rb6 > +- (1.74) Depth: 9 00:00:00 159kN >1.Nf4 g5 2.Rb1 Rxb1+ 3.Kxd2 Rxd1+ 4.Rxd1 gxf4 5.Kc2 g5 6.h4 Nd7 7.hxg5 Nxe5 > +- (1.78) Depth: 10 00:00:01 291kN >1.Nf4 g5 2.Rb1 Rxb1+ 3.Kxd2 Rxd1+ 4.Rxd1 gxf4 5.Rb1 g5 6.h4 gxh4 7.Rb6 Ne4+ >8.Kd3 > +- (1.72) Depth: 11 00:00:02 663kN >1.Nf4 g5 2.Rb1 Rxb1+ 3.Kxd2 Rxd1+ 4.Rxd1 gxf4 5.Rb1 g5 6.Rb6 Bd7 7.h4 gxh4 8.Kc2 > +- (1.56) Depth: 12 00:00:05 1463kN >1.Nf4 g5 2.Rb1 Rxb1+ 3.Kxd2 Rxd1+ 4.Rxd1 gxf4 5.Rb1 g5 6.Rb6 Bd7 7.h4 gxh4 >8.Rb8+ Ke7 9.Rb6 > +- (1.68) Depth: 13 00:00:20 5265kN >1.Nf4 g5 2.Rb1 Rxb1+ 3.Kxd2 Rxd1+ 4.Rxd1 gxf4 5.Ne2 Ne6 6.h4 g6 7.Rf1 Nc5 8.Nxf4 >Ne4+ 9.Kd3 > +- (1.62) Depth: 14 00:00:32 8569kN >1.Nf4 g5 2.Rb1 Rxb1+ 3.Kxd2 Rxd1+ 4.Rxd1 gxf4 5.Ne2 Ne6 6.h4 g6 7.Rf1 Bd7 8.Nxf4 >Nxf4 9.Rxf4 > +- (1.64) Depth: 15 00:01:20 21414kN >1.Nf4 g5 2.Rb1 Rxb1+ 3.Kxd2 Rxd1+ 4.Rxd1 gxf4 5.Ne2 Ne6 6.h4 g6 7.Rf1 c5 8.Nxf4 >Nxf4 9.Rxf4 Be6 10.g3 > +- (1.56) Depth: 16 00:03:56 64101kN > >(Young, MyTown 29.12.2001) My question was if the line given by Deepblue is better than current micros. As I can see the lines are different .Of course White is winning.
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