Author: Roy Brunjes
Date: 12:09:38 02/02/03
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On February 02, 2003 at 11:55:34, Kurt Utzinger wrote: >Kasparov,G - Deep Junior (variation after 25...f4 26.h3) >[D]2b2rk1/Rp5p/3p1qpQ/2nP4/2P1pp2/7P/P1RN1PP1/6K1 b - - 0 1 > >Has indeed nobody investigated this position more deeply. Below the analysis of >Junior7 on P4 1.8/64 MB hash after a thinking time of 30 min. I begin to doubt >too if it is a draw after 26.h3 > >Analysis by Junior 7: > >26...f3 27.Ra8 fxg2 > +- (1.46) Depth: 3 00:00:00 >26...g5 27.Qxf6 Rxf6 > ± (1.06) Depth: 3 00:00:00 >26...Bd7 27.Rc1 > ± (0.95) Depth: 3 00:00:00 >26...Qa1+! > ² (0.34) Depth: 3 00:00:00 > µ (-1.11) Depth: 22 00:28:24 1371305kN > >(Utzinger, MyTown 02.02.2003) Here is Fritz 8 analysis on my Athlon 700 MHz (128 MB Hashtables): New game 2b2rk1/Rp5p/3p1qpQ/2nP4/2P1pp2/7P/P1RN1PP1/6K1 b - - 0 1 Analysis by Fritz 8: 1...Bf5! = (-0.22) Depth: 6/24 00:00:00 114kN 1...Bf5-- = (0.06) Depth: 7/28 00:00:00 118kN 1...Bf5 2.Nb3 e3 3.Re2 Bd3 4.Nxc5 Bxe2 ² (0.37) Depth: 7/28 00:00:00 165kN 1...Bf5 2.Nb3 e3 3.Re2 Bd3 4.Nxc5 Bxe2 ² (0.37) Depth: 8/20 00:00:00 218kN 1...Qa1+! ² (0.34) Depth: 8/26 00:00:01 254kN 1...Qa1+! = (0.19) Depth: 8/26 00:00:01 267kN 1...Qa1+! = (-0.13) Depth: 8/26 00:00:01 291kN 1...Qa1+! µ (-0.75) Depth: 8/26 00:00:01 374kN 1...Qa1+ 2.Nf1 e3 3.fxe3 fxe3 4.Qxe3 Qxf1+ 5.Kh2 Qf6 6.Re2 Qh4 7.Qc3 Qf4+ µ (-1.00) Depth: 8/48 00:00:02 545kN 1...Qa1+ 2.Nf1 e3 3.fxe3 fxe3 4.Qxe3 Rxf1+ 5.Kh2 Rh1+ 6.Kg3 Re1 7.Re2 Rxe2 8.Qxe2 Bd7 9.Ra8+ µ (-1.09) Depth: 9/29 00:00:03 769kN 1...Qa1+ 2.Nf1 e3 3.fxe3 fxe3 4.Qxe3 Qxf1+ 5.Kh2 Bd7 6.Rc1 Qf5 7.Qg3 Ne4 8.Qh4 Qe5+ µ (-1.03) Depth: 10/28 00:00:05 1251kN 1...Qa1+ 2.Nf1 Qb1 3.Re2 e3 4.fxe3 fxe3 5.Kh2 Qxf1 6.Rxe3 Qc1 7.a3 Qxc4 µ (-1.06) Depth: 11/39 00:00:13 3864kN 1...Qa1+ 2.Nf1 e3 3.fxe3 fxe3 4.Qxe3 Qxf1+ 5.Kh2 Bd7 6.Rc1 Qf5 7.Qg3 Qf6 8.Re1 h6 9.Kh1 µ (-0.94) Depth: 12/38 00:00:24 7255kN 1...Qa1+ 2.Nf1 Bd7 3.Qg5 e3 4.fxe3 fxe3 5.Kh2 Qxf1 6.Qxe3 µ (-1.13) Depth: 13/43 00:01:08 21210kN 1...Qa1+! -+ (-1.41) Depth: 14/41 00:02:20 44101kN 1...Qa1+ 2.Nf1 Qe1 3.Ra8 e3 4.fxe3 fxe3 5.Kh2 e2 6.Ng3 Qxg3+ 7.Kxg3 e1Q+ 8.Kh2 Qe5+ µ (-1.34) Depth: 15/46 00:05:39 106832kN 1...Qa1+ 2.Nf1 Qe1 3.Ra8 e3 4.fxe3 fxe3 5.Kh2 e2 6.Ng3 Qxg3+ 7.Kxg3 e1Q+ 8.Kh2 Qe5+ µ (-1.31) Depth: 16/48 00:11:52 225311kN 1...Qa1+ 2.Nf1 Qe1 3.Ra8 e3 4.fxe3 fxe3 5.Kh2 e2 6.Ng3 Qxg3+ 7.Kxg3 e1Q+ 8.Kh2 Qe5+ µ (-1.38) Depth: 17/53 00:36:43 705510kN 1...Qa1+ 2.Nf1 Qe1 3.Ra8 e3 4.fxe3 fxe3 5.Kh2 e2 6.Ng3 Qxg3+ 7.Kxg3 e1Q+ 8.Kh2 Qe5+ -+ (-1.41) Depth: 18/53 01:20:50 1580800kN (Brunjes, MyTown 02.02.2003) Fritz 8 does not see a draw just yet, but this was a rather complex position and this hardware doesn't get as deep as it might need to. Roy
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