Author: Jorge Pichard
Date: 14:57:15 11/14/03
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On November 14, 2003 at 17:13:38, Joachim Rang wrote: >_____________________________________________ >> >>Here is a comparison of how fast X3D Fritz really is on a Quad 2.8 GHz compared >>to an Athlon 1.2 GHz. I let my Athlon 1.2 GHz for 01:15:26 and >>it only reached Depth: 16/42 compared to X3D which reached a depth of 18 in less >>than 4 minutes. Now consider that in some positions X3D thought for at least 8 >>minutes :-) >> >>http://www.chessbase.com/newsdetail.asp?newsid=1301 >> >>3.4 million nodes per second in the starting position, with an 18-ply search >>depth in less than four minutes! Experts will recognise that this is quite >>extraordinary. Frans Morsch and Mathias Feist, the authors of the program, tell >>us that Fritz has never before run on such a fast machine. >> >> >>5rk1/1p6/1Q1p1rqb/P2Ppn1p/4R1p1/8/1B2RPPP/5NK1 w - - 0 1 >> >>Analysis by Fritz 8: >> >>32.Qxb7 Ne3 33.R4xe3 Bxe3 34.Nxe3 Qd3 35.Bxe5 Qxe2 36.Bxf6 Rxf6 37.Qc8+ Kg7 >>38.Qc7+ Rf7 >> ± (1.16) Depth: 7/22 00:00:00 74kN >> = (-0.16) Depth: 16/42 01:15:26 2576023kN >> >>(Pichard, Jorge's Home 14.11.2003) > >please do not mix things up. X3dFritz is about 6 times faster than an Athlon 1.5 >GHz according to Mig. Actually they searched only depth 17 in four minutes. You >can verify that, by lookin on the picture in the story you linked to. > >so If you have an Athlon 1.2 GHz you have to analyze the position about 7.5 >minutes to simulate a one minute search on the Quad-Xeon. So 5 minutes for that >move would be the same as 37 minutes on your machine. > >regards Joachim You are correct since these are two different positions, but since X3D Fritz in some position analyzed for 8 minutes, that means that Uri and I should at least let our computer analyze that same position for at least 60 minutes to yield the same result. Here is the Comparison using the same position and reaching the same Depth: New game rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w - - 0 1 Analysis by Fritz 8: 1.Nf3 e6 2.Nc3 d6 3.d3 Nf6 4.e3 Nbd7 5.Nb5 Be7 = (0.22) Depth: 7/10 00:00:00 4kN = (0.00) Depth: 10/23 00:00:00 219kN 1.Nc3 d5 2.d4 e6 3.e4 = (0.03) Depth: 10/24 00:00:00 322kN = (0.00) Depth: 12/36 00:00:20 9303kN 1.e3 e5 2.Nc3 Nf6 3.Nf3 e4 4.Nd4 Nc6 5.d3 exd3 6.Bxd3 Nxd4 7.exd4 Bb4 = (0.03) Depth: 12/36 00:00:23 10755kN = (0.06) Depth: 12/41 00:00:36 16761kN 1.f4 f5 2.Nf3 Nf6 3.Nc3 Kf7 4.Kf2 Nc6 5.d3 e6 6.e4 Ng4+ 7.Kg1 = (0.09) Depth: 12/41 00:00:39 18287kN = (0.09) Depth: 14/36 00:01:14 35142kN 1.Nc3 d5 2.d4 e6 3.e4 Bb4 4.e5 c5 5.f4 cxd4 6.Qxd4 Nc6 = (0.13) Depth: 14/40 00:02:16 65354kN = (0.09) Depth: 15/42 00:03:41 107849kN 1.d4! = (0.13) Depth: 15/46 00:06:23 186681kN 1.e4 e6 2.d4 d5 3.exd5 exd5 4.Bd3 Bd6 5.Kf1 Kf8 6.Qf3 Nf6 7.Bg5 h6 = (0.16) Depth: 15/46 00:08:11 239103kN = (0.19) Depth: 17/47 00:43:25 1317557kN (Pichard, Jorge's Home 14.11.2003)
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