Author: Terry Ripple
Date: 17:08:01 10/13/02
Go up one level in this thread
On October 13, 2002 at 19:03:39, Mike S. wrote: >On October 13, 2002 at 18:24:58, Deepak Nityanandam wrote: > >>During Dr Hsu's chat he said that the DB2 programmers didnt even consider DF >>for benchmarking purposes as they thought it was "way to weak" to play against >>DB2. > >Maybe in 1997. But now as it's clear (or fairly clear...) that Deep Blue's >typical depth of "11(6)" did NOT mean 11 + 6 of nominal depth, but a depth of 11 >and a *maximum* of 6 plies in the hardware for quiesence search (I hope I got >that right, finally), it seems obvious that Fritz has become stronger than Deep >Blue was. And most probably some other programs too, which are of similar >strength like Fritz 7. > >It has been reported that Deep Fritz in Bahrain reaches a depth of 16 or 17 (I >can't remember exactly and where I read it) in the middlegame. > >Also, even on single cpu running at 1,2 GHz, Fritz 7 reaches "base" depths of >15...16 in a few minutes, and selective depths of more than 40! It was said that >Deep Blue II had much more knowledge in the evals (than used today), but can >that compensate for ~4...5 additional plies? In general, I don't think so. > >Regards, >M.Scheidl > > >Athlon@1,2 GHz, 256 MB Hash, Fritz 7.0.0.8, starting position: > >1.e4 d5 2.exd5 Dxd5 3.Sc3 Dd7 4.d4 Sf6 5.Ld3 Sc6 > = (0.16) Tiefe: 9/29 00:00:00 232kN >1.e4 e5 2.Sf3 d5 3.exd5 Dxd5 4.Sc3 De6 5.Sb5 Ld6 6.Sxd6+ cxd6 7.Lb5+ Sc6 > = (0.22) Tiefe: 10/29 00:00:01 835kN >1.e4 e5 2.Sf3 Sf6 3.d4 Sxe4 4.Ld3 d5 5.dxe5 > = (0.16) Tiefe: 11/29 00:00:03 1828kN >1.e4 e5 2.Sf3 Sc6 3.Sc3 Sf6 4.d4 exd4 5.Sxd4 Lb4 6.Lg5 Lxc3+ 7.bxc3 0-0 8.Sxc6 > = (0.13) Tiefe: 12/35 00:00:07 3895kN >1.e4 e5 2.Sf3 Sf6 3.d4 Sxe4 4.Ld3 d5 5.Sxe5 Sd7 6.Dh5 Lb4+ 7.Ld2 g6 > = (0.16) Tiefe: 13/36 00:00:20 11539kN >1.e4 e5 2.Sf3 Sf6 3.d4 exd4 4.e5 Se4 5.Dxd4 d5 6.exd6 Sxd6 7.De5+ Le6 8.Ld3 > = (0.16) Tiefe: 14/39 00:00:42 23873kN >1.e4 e5 2.Sf3 Sf6 3.Sc3 Lb4 4.Sxe5 0-0 5.De2 Lxc3 6.dxc3 De7 7.Sd3 Sxe4 8.Lg5 > = (0.16) Tiefe: 15/41 00:01:40 57410kN >1.e4 e5 2.Sf3 Sf6 3.Sxe5 De7 4.d4 d6 5.Sf3 Sxe4 6.Lb5+ Ld7 7.Le2 d5 8.0-0 > = (0.22) Tiefe: 16/47 00:06:08 212072kN > ---------------- ----------- Dr. Hsu said in the interview that Deep Blue was much stronger than Deep fritz ever was!!! Terry
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