Author: Chessfun
Date: 08:05:53 09/01/00
Go up one level in this thread
On September 01, 2000 at 11:02:39, Chessfun wrote: >On September 01, 2000 at 10:51:39, Chessfun wrote: > >>On September 01, 2000 at 07:19:58, Enrique Irazoqui wrote: >> >>>On September 01, 2000 at 02:40:48, C McClain Morris, Jr. wrote: >>> >>>>I contacted Steve Lopez and he is unaware of any Fritz 6b. >>> >>>Fritz 6a, 289280 bytes, 23-1-2000 >>>Fritz 6b, 290816 bytes, 10-4-2000 >>> >>>It seems that Fritz 6a has some tablebase bugs, corrected in F6b. Aside from >>>this, I seldom notice differences between 6a and 6b. There are exceptions, like >>>this position: >>> >>>r1bqk2r/pppp1Npp/8/2bnP3/8/6K1/PB4PP/RN1Q3R b kq - 0 12; bm e8g8; >>> >>>On a P600E with 184MB hashtables, F6b finds 0-0 in 93 seconds, and F6a in 292. >>> >>>Enrique >> >>Seems to me 6a is faster. >>I checked my version again as I have an opposite result but >>the following is correct. >> >>This is 6B on my Cel 433 >>Bird,S - Fritz 6 >>r1bqk2r/pppp1Npp/8/2bnP3/8/6K1/PB4PP/RN1Q3R b kq - 0 1 >> >>Analysis by Fritz 6B: April 2000 >>12...Qe7 13.Qxd5 Rf8 14.Rf1 Rxf7 15.Rxf7 Qg5+ 16.Kf3 Qe3+ 17.Kg4 >> -+ (-1.88) Depth: 12/34 00:00:51 13443kN >>12...Qe7 13.Qxd5 Rf8 14.Rf1 Rxf7 15.Qxf7+ Qxf7 16.Rxf7 Kxf7 17.Nc3 >> -+ (-1.78) Depth: 13/39 00:02:22 37847kN >>12...Qe7 13.Qxd5 Rf8 14.Rf1 Rxf7 15.Qxf7+ Qxf7 16.Rxf7 Kxf7 17.Nc3 >> -+ (-1.69) Depth: 14/43 00:08:34 131936kN >>12...0-0 >> -+ (-1.72) Depth: 14/43 00:14:19 223949kN >> >>(Bird, Scarb 01.09.2000) >> >>This is 6a: >>Bird,S - Fritz 6 >>r1bqk2r/pppp1Npp/8/2bnP3/8/6K1/PB4PP/RN1Q3R b kq - 0 1 >> >>Analysis by Fritz 6A: Jan 2000 >>12...Qe7 13.Qxd5 Rf8 14.Rf1 Rxf7 15.Rxf7 Qg5+ 16.Kf3 Qe3+ 17.Kg4 >> -+ (-1.88) Depth: 12/35 00:00:56 14612kN >>12...Qe7 13.Qxd5 Rf8 14.Rf1 Rxf7 15.Qxf7+ Qxf7 16.Rxf7 Kxf7 17.Nc3 >> -+ (-1.78) Depth: 13/39 00:02:26 38789kN >>12...0-0 >> -+ (-1.81) Depth: 13/39 00:03:47 60037kN >>12...0-0 13.Nxd8 Bf2+ 14.Kh3 d6+ 15.e6 Nf4+ 16.Kg4 Nxe6 17.Nf7 >> -+ (-1.91) Depth: 13/39 00:04:09 65038kN >> >>(Bird, Scarb 01.09.2000) >> >>Thanks. > >Re-tested 6b to make sure my output was right: > >Bird,S - Fritz 6 >r1bqk2r/pppp1Npp/8/2bnP3/8/6K1/PB4PP/RN1Q3R b kq - 0 1 > >Analysis by Fritz 6B: >12...Qe7 13.Qxd5 Rf8 14.Rf1 Rxf7 15.Rxf7 Qg5+ 16.Kf3 Qe3+ 17.Kg4 > -+ (-1.88) Depth: 12/36 00:00:55 14346kN >12...Qe7 13.Qxd5 Rf8 14.Rf1 Rxf7 15.Qxf7+ Qxf7 16.Rxf7 Kxf7 17.Nc3 > -+ (-1.78) Depth: 13/40 00:02:25 38418kN >12...Qe7 13.Qxd5 Rf8 14.Rf1 Rxf7 15.Qxf7+ Qxf7 16.Rxf7 Kxf7 17.Nc3 > -+ (-1.69) Depth: 14/42 00:07:12 113611kN > >(Bird, Scarb 01.09.2000) > >Still not there so I assume it will take roughly same as first post. >So seems to me clearly in this position 6B is slower. > >Thanks. At least it was faster than the first time. Bird,S - Fritz 6 r1bqk2r/pppp1Npp/8/2bnP3/8/6K1/PB4PP/RN1Q3R b kq - 0 1 Analysis by Fritz 6B: 12...Qe7 13.Qxd5 Rf8 14.Rf1 Rxf7 15.Rxf7 Qg5+ 16.Kf3 Qe3+ 17.Kg4 -+ (-1.53) Depth: 10/31 00:00:10 2589kN 12...Qe7 13.Qxd5 Rf8 14.Nd2 Rxf7 15.Ne4 Ba3 16.Rhb1 Bxb2 17.Rxb2 -+ (-1.75) Depth: 11/32 00:00:21 5676kN 12...Qe7 13.Qxd5 Rf8 14.Rf1 Rxf7 15.Rxf7 Qg5+ 16.Kf3 Qe3+ 17.Kg4 -+ (-1.88) Depth: 12/36 00:00:55 14346kN 12...Qe7 13.Qxd5 Rf8 14.Rf1 Rxf7 15.Qxf7+ Qxf7 16.Rxf7 Kxf7 17.Nc3 -+ (-1.78) Depth: 13/40 00:02:25 38418kN 12...Qe7 13.Qxd5 Rf8 14.Rf1 Rxf7 15.Qxf7+ Qxf7 16.Rxf7 Kxf7 17.Nc3 -+ (-1.69) Depth: 14/42 00:07:12 113611kN 12...0-0 -+ (-1.72) Depth: 14/42 00:09:42 152915kN (Bird, Scarb 01.09.2000)
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