Author: Chessfun
Date: 07:51:39 09/01/00
Go up one level in this thread
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.
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