Author: Uri Blass
Date: 01:33:31 08/27/01
Go up one level in this thread
On August 26, 2001 at 21:50:03, Joshua Lee wrote: > >>I guess that you did not analyze Deeper blue logfiles. >>I did some analysis of them and my impression based on the analysis that I did >>is that Deeper blue is only 2 or 3 times faster than Deep Fritz on P800. >> >>The idea was to compare the times that Deeper blue got it's main line and the >>time that the top programs get the same beginning of the main line when you give >>the top programs some hours. >> >>In most cases it is impossible because we do not have similiar main lines but >>there are some cases when there are similiar main lines. >> >>I did not anlayze most of the positions from kasparov-deeper blue match so I am >>practically sure that you can find more cases of similiar main lines and the >>question is if other programs are faster or slower in finding the similiar main >>lines. >> >>pavel told me here that he is interested to help. >> >>If other people are interested to help in this task then they can send me an >>email and I am going to tell them positions to analyze with top programs. >> >>Uri > > >I am glad to help if i can Uri , for the past couple of months i have been >running test sets , i would've been done faster except for a disk failure but i >restarted and have 1000 In one file and Bewteen 500-600 in another as well as >Test your positional Play so within a month i will be ready to help. >I do want to mention a position in particular from the 97 match with comments >from GM Gabriel Schwartzman >this was in the Summer Issue in 1997 of Chess Life > >Game 5 Kasparov - Deep Blue >Note to Blacks 11th Move > >11...h5 >Kasparov's surprise at this move was not hidden. Not only is it a very good >move, but it is one that a computer would have a hard time making , since it >depends on pure understanding of the position. As a matter of fact, Kasparov >tried to see if Fritz or Hiarcs would choose such a move, even if left for >hours, and they didn't! Once again the Deep Blue team has proven their computer >shows some signs of intelligence. > > > >Kasparov,G - Deeper Blue >r2qk2r/pp3ppp/2p1pn2/4n3/1b6/3P2PP/PPPN1PB1/R1BQK2R b KQkq - 0 1 > >Analysis by Fritz 6: > >11...Bxd2+ 12.Bxd2 > = (0.06) Depth: 1/3 00:00:00 >11...0-0! > = (-0.03) Depth: 1/7 00:00:00 >11...0-0! > ³ (-0.69) Depth: 1/7 00:00:00 >11...0-0 12.0-0 > ³ (-0.47) Depth: 2/5 00:00:00 >11...0-0 12.Qe2 Qd6 > ³ (-0.50) Depth: 3/10 00:00:00 >11...0-0 12.Qe2 Qd6 13.0-0 > ³ (-0.41) Depth: 4/10 00:00:00 1kN >11...0-0 12.Qe2 Qd6 13.f4 Ng6 > ³ (-0.44) Depth: 5/13 00:00:00 4kN >11...0-0 12.Qe2 Qd6 13.f4 Ng6 14.c3 > ³ (-0.31) Depth: 6/16 00:00:00 22kN >11...0-0 12.Qe2 Qd6 13.0-0 Bc5 14.Re1 Bd4 > = (-0.25) Depth: 7/19 00:00:00 49kN >11...0-0 12.Qe2 Qd6 13.0-0 Rfd8 14.Re1 Ng6 > = (-0.16) Depth: 8/20 00:00:00 179kN >11...0-0 12.Qe2 Qc7 13.0-0 Rfd8 14.Re1 Ng6 15.a3 Bc5 > = (-0.09) Depth: 9/21 00:00:02 622kN >11...0-0 12.0-0 Bd6 13.d4 Ng6 14.Re1 > = (0.00) Depth: 10/25 00:00:06 2245kN >11...0-0 12.0-0 Bd6 13.d4 Ng6 14.Nc4 Be7 15.Bg5 h6 16.Bxf6 > = (0.00) Depth: 11/27 00:00:13 4740kN >11...0-0 12.0-0 Bd6 13.d4 Ng6 14.Nc4 Be7 15.Be3 Qd7 16.Qe2 > = (0.09) Depth: 12/27 00:00:32 11054kN >11...0-0 12.0-0 Bd6 13.d4 Ng6 14.Nc4 Re8 15.Be3 Nd5 16.Qf3 > = (0.09) Depth: 13/31 00:01:20 28859kN >11...Ng6! > = (0.06) Depth: 13/33 00:01:29 32053kN >11...Ng6 12.Qe2 0-0 13.0-0 Qd7 14.Ne4 Nxe4 15.dxe4 Rfd8 16.c3 > = (0.09) Depth: 14/34 00:02:12 47451kN >11...Ng6 12.Qe2 0-0 13.0-0 Qd7 14.Ne4 Nxe4 15.dxe4 Qe7 16.c3 > = (0.12) Depth: 15/39 00:03:38 79481kN >11...0-0! > = (0.09) Depth: 15/39 00:04:18 94481kN >11...0-0 12.0-0 Ng6 13.Qe2 Qd7 14.Ne4 Nxe4 15.dxe4 Rfd8 16.a3 > = (0.09) Depth: 16/36 00:06:54 152335kN >11...0-0 12.0-0 Ng6 13.Qe2 Qd7 14.Rd1 Bc5 15.d4 Be7 16.Nc4 > = (0.09) Depth: 17/36 00:11:56 270993kN > >Fritz may find this next ply i will let you know i am sure that it has been >found at around 15minutes with one of the fritz versions. Deep fritz plans to play h5 in the next move Here is Deep Fritz's anlaysi New position r2qk2r/pp3ppp/2p1pn2/4n3/1b6/3P2PP/PPPN1PB1/R1BQK2R b KQkq - 0 1 Analysis by Deep Fritz: 1...0-0 2.Qe2 Qd6 3.a3 Bc5 ³ (-0.31) Depth: 5/12 00:00:00 4kN 1...0-0 2.Qe2 Qd6 3.a3 Bc5 ³ (-0.31) Depth: 5/12 00:00:00 4kN 1...0-0 2.Qe2 Qd6 3.a3 Bc5 ³ (-0.31) Depth: 5/12 00:00:00 4kN 1...0-0 2.Qe2 Qd6 3.a3 Bc5 ³ (-0.31) Depth: 5/12 00:00:00 4kN 1...0-0 2.Qe2 Qd6 3.a3 Bc5 ³ (-0.31) Depth: 5/12 00:00:00 4kN 1...0-0 2.Qe2 Qd6 3.a3 Bc5 ³ (-0.31) Depth: 5/12 00:00:00 4kN 1...0-0 2.Qe2 Qd6 3.a3 Bc5 ³ (-0.31) Depth: 5/12 00:00:00 4kN 1...0-0 2.Qe2 Qd6 3.a3 Bc5 4.Ne4 = (-0.25) Depth: 6/17 00:00:00 24kN 1...0-0 2.Qe2 Qd6 3.0-0 Rfd8 4.Re1 Ng6 = (-0.19) Depth: 7/19 00:00:00 57kN 1...0-0 2.0-0 Bc5 3.Qe2 Qd6 4.Nb3 Rfd8 5.Nxc5 Qxc5 = (-0.09) Depth: 8/20 00:00:00 221kN 1...0-0 2.Qe2 Qd6 3.f4 Ned7 4.c3 Bc5 5.d4 Bb6 = (-0.03) Depth: 9/23 00:00:01 624kN 1...Qc7! = (-0.06) Depth: 9/25 00:00:02 1316kN 1...Qc7! 2.Qe2 0-0-0 3.d4 Ned7 4.c3 Bd6 5.Ne4 Rhe8 6.Nxd6+ Qxd6 = (-0.09) Depth: 9/25 00:00:02 1450kN 1...Qc7 2.Qe2 0-0-0 3.a3 Bd6 4.Nb3 Nd5 5.d4 Ng6 6.Bg5 = (-0.03) Depth: 10/25 00:00:03 1828kN 1...Qc7 2.Qe2 0-0-0 3.0-0 h5 4.Ne4 Nxe4 5.Qxe4 Bd6 6.Be3 Kb8 7.Rfe1 = (-0.03) Depth: 11/31 00:00:07 3803kN 1...Qc7 2.Qe2 0-0-0 3.d4 Ng6 4.c3 Be7 5.Ne4 Nd5 6.0-0 h5 7.h4 = (0.00) Depth: 12/31 00:00:14 7875kN 1...Qc7 2.Qe2 0-0-0 3.a3 Be7 4.Ne4 Nxe4 5.Bxe4 f5 6.Bg2 g5 7.f4 = (0.03) Depth: 13/36 00:00:43 25050kN 1...Qc7 2.Qe2 h5 3.c3 Be7 4.d4 Ng6 5.h4 0-0-0 6.Ne4 = (0.03) Depth: 14/39 00:02:53 96516kN 1...Qc7 2.Qe2 h5 3.c3 Be7 4.d4 Ng6 5.h4 0-0-0 6.Ne4 Ng4 7.Ng5 = (0.06) Depth: 15/39 00:04:50 164935kN (Blass, Tel-aviv 27.08.2001) Junior7 pIII800 is faster than deeper blue Here is Junior7's analysis New position r2qk2r/pp3ppp/2p1pn2/4n3/1b6/3P2PP/PPPN1PB1/R1BQK2R b KQkq - 0 1 Analysis by Junior 7: 1...c5 2.Bxb7 ³ (-0.27) Depth: 3 00:00:00 1...Qd4 2.a3 Ba5 3.0-0 ³ (-0.56) Depth: 6 00:00:00 5kN 1...Qd4 2.a3 Ba5 3.0-0 ³ (-0.56) Depth: 6 00:00:00 5kN 1...Qd4 2.a3 Ba5 3.0-0 ³ (-0.56) Depth: 6 00:00:00 5kN 1...Qd4 2.a3 Ba5 3.0-0 ³ (-0.56) Depth: 6 00:00:00 5kN 1...Qd4 2.a3 Ba5 3.0-0 ³ (-0.56) Depth: 6 00:00:00 5kN 1...Qd4 2.0-0 Bxd2 3.Qxd2 0-0-0 4.Qf4 = (-0.08) Depth: 9 00:00:00 67kN 1...Qb6 2.a3 Bd6 3.Ne4 Nxe4 4.dxe4 Rd8 5.Qh5 = (-0.16) Depth: 9 00:00:00 137kN 1...Qd6 2.a3 Ba5 3.f4 Ned7 4.b4 Bb6 5.Bb2 ³ (-0.32) Depth: 9 00:00:00 539kN 1...Qd6 2.0-0 0-0-0 3.d4 Ng6 4.c3 Ba5 = (0.01) Depth: 12 00:00:02 1450kN 1...0-0 2.0-0 Ng6 3.d4 Ba5 4.Nf3 = (-0.08) Depth: 12 00:00:02 1837kN 1...0-0 2.0-0 Ng6 3.c3 Be7 4.Qe2 Bc5 5.Re1 e5 = (0.12) Depth: 15 00:00:28 17295kN 1...h5 2.Qe2 Bd6 3.d4 Ng6 4.0-0 h4 5.Qf3 Bc7 6.c3 hxg3 7.fxg3 = (-0.04) Depth: 15 00:00:44 26016kN 1...h5 2.Qe2 Ng6 3.c3 Bd6 4.h4 Ng4 5.0-0 0-0 6.f3 N4e5 = (0.01) Depth: 16 00:02:10 71707kN (Blass, Tel-aviv 27.08.2001) for comparison Here is Deeper blue's logfile Guessing Nd2 7(4) #[O-O](10)##############################################[h5](18)# 18 T=1 Ph7h5 qd1e2 Qd8d6 pa2a3 Bb4a5 o-o Ba5d2n bc1d2B 8(6) #[h5](-2)##[O-O](0)############################################ 0 T=11 O-O o-o Bb4c5 nd2f3 Ne5f3n bg2f3N 9(6) #[O-O](-3)#########<ch> 'nd2' [153 sec (main.c:1849)][cont]###################################### -3 T=39 O-O o-o Bb4d6 nd2b3 Nf6d5 ph3h4 Ph7h6 10(6) #[O-O](-15)######[h5](-5)######################################### -5 T=151 Ph7h5 qd1e2 Ne5g6 pc2c3 Bb4e7 nd2e4 Ph5h4 bc1e3 Qd8a5 pg3g4 11(6)[TIMEOUT] -5 T=178 Ph7h5 --------------------------------------- --> 11. .. h5 <-- 29/101:33 you can see that deeper blue needed 151 seconds to see 11...h5 and the main line of Junior at depth 16 is the same as deeper blue's in the first 4 plies. Uri
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