Author: Roy Eassa
Date: 11:16:27 01/27/02
Go up one level in this thread
On January 27, 2002 at 02:38:11, gervais wrote: >Hi, > I am an amateur chess player looking for a possible upgrade from my old >Pentium 166. I am using Fritz 6 as my main chess program. >While looking at some classical games recently, I saw one from Fischer with a >brilliant combination.(IMHO). I decided I would upgrade my system if I could >be shown that current hardware/software is able to find this combination within >a reasonable amount of time. > >[Event "US Championship"] >[Site "NY USA"] >[Date "1963.12.18"] >[Round "3"] >[White "Robert Byrne"] >[Black "Robert J. Fischer"] >[Result "0-1"] > >1.d4 Nf6 2.c4 g6 3.g3 c6 4.Bg2 d5 5.cxd5 cxd5 6.Nc3 Bg7 7.e3 O-O 8.Nge2 Nc6 >9.O-O b6 10.b3 Ba6 11.Ba3 Re8 12.Qd2 e5 13.dxe5 Nxe5 14.Rfd1 Nd3 15.Qc2 Nxf2 >16.Kxf2 Ng4+ 17.Kg1 Nxe3 18.Qd2 Nxg2 19.Kxg2 d4 20.Nxd4 Bb7 21.Kf1 Qd7! (0-1) > >The FEN is: r2qr1k1/p4pbp/bp3np1/3p4/8/BPNnP1P1/P1Q1NPBP/R2R2K1 b - - 2 15 > >Think the FEN is ok.(its my first FEN!) > >So my question is: Can your computer find the follow-up to 15....Nxf2 right >till 21....Qd7? How long does it take to see the complete sequence of moves >that cause resignation? (15...Nxf2 is easy, but does it see everything >up to 21...Qd7 right from the start?) >Programs, Fritzmarks,processors, NPS, Ram,Mhz... Spare me no details :) > >Thanks and I hope to be shopping soon... More reasonable for today's computers might be the position after 18.Qd2 -- how long to choose 18...Nxg2, and how long before that move scores over +1 for Black (0:31 and 2:16, respectively on my test): [d] r2qr1k1/p4pbp/bp4p1/3p4/8/BPN1n1P1/P2QN1BP/R2R2K1 b - - 0 1 Analysis by Fritz 7 (Athlon 1.2 GHz): 18...Rc8 19.Nd4 Bxd4 20.Qxd4 Nc2 21.Qd2 Nxa3 22.Nxd5 = (0.09) Depth: 7/22 00:00:00 493kN 18...Rc8 19.Nd4 Bxd4 20.Qxd4 Nc2 21.Qa4 Nxa1 22.Rxa1 Rxc3 23.Qxa6 = (0.03) Depth: 8/21 00:00:00 605kN 18...Rc8 19.Nd4 Bxd4 20.Qxd4 Nc2 21.Qa4 Rxc3 22.Rxd5 Qc8 23.Rc1 = (0.15) Depth: 9/24 00:00:02 1625kN 18...Bxe2! = (0.12) Depth: 9/24 00:00:02 1696kN 18...Bxe2 19.Nxe2 Bxa1 20.Rxa1 Nxg2 21.Kxg2 Qf6 22.Nd4 Qe5 23.Rc1 Qe4+ 24.Kg1 Rac8 = (0.21) Depth: 10/28 00:00:09 5838kN 18...Rc8! = (0.18) Depth: 10/28 00:00:10 6116kN 18...Rc8 19.Nd4 Bxd4 20.Qxd4 Nc2 21.Qa4 Rxc3 22.Bb2 Rce3 23.Qxa6 Nxa1 24.Rxa1 = (0.21) Depth: 11/29 00:00:26 16251kN 18...Nxg2! = (0.18) Depth: 11/31 00:00:31 19735kN 18...Nxg2 19.Kxg2 d4 20.Nxd4 Bb7+ 21.Kf1 Qd7 22.Qf2 Bxd4 23.Rxd4 Qc6 24.Bb2 Qh1+ 25.Qg1 Qf3+ = (0.00) Depth: 12/33 00:01:01 38576kN 18...Nxg2! = (-0.22) Depth: 13/33 00:02:00 76850kN 18...Nxg2! ³ (-0.50) Depth: 13/33 00:02:05 80471kN 18...Nxg2! µ (-1.07) Depth: 13/33 00:02:16 87417kN 18...Nxg2 19.Kxg2 d4 20.Nxd4 Bb7+ 21.Kf2 Qd7 22.Nce2 Rad8 23.Qc2 Qh3 24.Nf3 Bxf3 25.Kxf3 Bxa1 µ (-1.25) Depth: 13/37 00:02:44 103919kN 18...Nxg2 19.Kxg2 d4 20.Nxd4 Bb7+ 21.Kf2 Qd7 22.Nf3 Qxd2+ 23.Nxd2 Bxc3 24.Rac1 Bd4+ 25.Kf1 Bc8 -+ (-1.50) Depth: 14/37 00:04:22 164445kN 18...Nxg2 19.Kxg2 d4 20.Nxd4 Bb7+ 21.Kf2 Qd7 22.Nf3 Qxd2+ 23.Nxd2 Bxc3 24.Rac1 Bd4+ 25.Kf1 Bc8 -+ (-1.47) Depth: 15/41 00:08:04 303919kN
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