Author: allan johnson
Date: 21:12:04 03/03/06
Go up one level in this thread
On March 03, 2006 at 19:21:57, ALI MIRAFZALI wrote: >In this test position 26...Qxa2 leads to a loss interestingly Up to ply 18 it >still in considered by Fritz 6 as the move to make in this position!! >[D]rn2r1k1/pb3qpp/1pp2p2/7P/5N2/2Q3P1/P3PPB1/2RR2K1 b >Chessmaster does not even consider 26...Qxa2 .This is a huge difference between >2 well known Commercial programs!!Analysis for both engines follow: >New game - Fritz 6 >rn2r1k1/pb3qpp/1pp2p2/7P/5N2/2Q3P1/P3PPB1/2RR2K1 b - - 0 1 Fritz9 takes a few seconds to find Na6 Al New game - Fritz 9 rn2r1k1/pb3qpp/1pp2p2/7P/5N2/2Q3P1/P3PPB1/2RR2K1 b - - 0 1 Analysis by Fritz 9: 1...Qxa2 2.h6 Qf7 3.hxg7 Kxg7 4.Rd6 Re5 5.Rcd1 a5 6.Rd8 = (-0.16) Depth: 7/27 00:00:00 106kN 1...c5! = (-0.17) Depth: 7/27 00:00:00 126kN 1...c5 2.Bxb7 Qxb7 3.Qc4+ Qf7 4.e4 Nc6 5.Rd7 Re7 ³ (-0.29) Depth: 7/27 00:00:00 138kN 1...Na6! ³ (-0.30) Depth: 7/27 00:00:00 210kN 1...Na6 2.e3 Re5 3.h6 Rc8 4.hxg7 ³ (-0.32) Depth: 7/27 00:00:00 228kN 1...Na6 2.Bxc6 Bxc6 3.Qxc6 Nc5 4.h6 Rac8 5.Qf3 a6 6.hxg7 Qxg7 = (-0.22) Depth: 8/25 00:00:00 383kN 1...c5! = (-0.23) Depth: 8/25 00:00:01 420kN 1...c5 2.Bxb7 Qxb7 3.h6 Nc6 4.Qf3 Qf7 5.hxg7 ³ (-0.27) Depth: 8/25 00:00:01 447kN 1...Qxa2! ³ (-0.27) Depth: 8/25 00:00:01 552kN 1...Qxa2 2.h6 Qf7 3.hxg7 Kxg7 4.Rd6 Re5 5.Qf3 Nd7 6.Qg4+ ³ (-0.32) Depth: 8/25 00:00:01 642kN 1...Qxa2 2.h6 Qf7 3.hxg7 Kxg7 4.Rd6 Re5 5.Qf3 Nd7 6.Qg4+ ³ (-0.32) Depth: 9/27 00:00:02 834kN 1...Qxa2 2.h6 Qf7 3.hxg7 Kxg7 4.Rd6 Re5 5.g4 Qe7 6.Rcd1 a5 7.Nh5+ = (-0.12) Depth: 10/29 00:00:03 1469kN 1...Qxa2 2.h6 Qf7 3.hxg7 Kxg7 4.Rd6 Re5 5.g4 Qe7 6.Rcd1 a5 = (-0.12) Depth: 11/34 00:00:08 4671kN 1...Qxa2 2.h6 Qf7 3.hxg7 Kxg7 4.Rd6 Re5 5.g4 Nd7 6.Bxc6 Nc5 7.Nh5+ = (0.10) Depth: 12/33 00:00:17 9851kN 1...Na6! = (0.10) Depth: 12/33 00:00:20 11922kN 1...Na6! = (-0.06) Depth: 12/33 00:00:23 13996kN 1...Na6 2.Bxc6 Bxc6 3.Qxc6 Nc5 4.h6 gxh6 5.a3 Rad8 6.Kh2 Nb3 = (0.08) Depth: 13/33 00:00:43 26532kN 1...Na6 2.Bxc6 Bxc6 3.Qxc6 Nc5 4.h6 Rac8 5.Qf3 g6 6.Nd5 f5 = (0.07) Depth: 14/35 00:01:58 73795kN 1...Na6 2.Bxc6 Bxc6 3.Qxc6 Nc5 4.h6 Rac8 5.Qf3 g6 6.Nd5 f5 = (0.04) Depth: 15/39 00:04:32 173394kN > >Analysis by Fritz 6: > >26...Rxe2-- > ² (0.50) Depth: 1/3 00:00:00 >26...Rxe2-- 27.Nxe2 Qxh5 > +- (2.37) Depth: 1/7 00:00:00 >26...Qxa2! > +- (2.31) Depth: 1/7 00:00:00 >26...Qxa2! > µ (-1.25) Depth: 1/7 00:00:00 >26...Qxa2 27.h6 > µ (-1.19) Depth: 2/5 00:00:00 >26...Qxa2 27.h6 a5 28.hxg7 Kxg7 > µ (-1.06) Depth: 3/9 00:00:00 >26...Qxa2 27.h6 a5 28.hxg7 Kxg7 29.Nh5+ Kg6 > µ (-0.97) Depth: 4/15 00:00:00 1kN >26...Qxa2 27.h6 Qf7 28.hxg7 Qxg7 29.e3 > µ (-0.94) Depth: 5/20 00:00:00 10kN >26...Qxa2 27.h6 Qf7 28.hxg7 Kxg7 29.Qf3 a5 30.Qg4+ Kh8 > µ (-0.91) Depth: 6/18 00:00:00 22kN >26...Qxa2 27.h6 Qf7 28.hxg7 Kxg7 29.Qf3 a5 30.Nh5+ Kg6 31.Qg4+ > µ (-0.88) Depth: 7/21 00:00:00 54kN >26...Qxa2 27.h6 Qf7 28.hxg7 Kxg7 29.Qf3 f5 30.Nh5+ Kg8 31.Nf4 > µ (-0.84) Depth: 8/25 00:00:00 139kN >26...Qxa2 27.h6 Qf7 28.hxg7 Kxg7 29.Qf3 Kg8 30.Qg4+ Qg7 31.Qh5 > µ (-0.88) Depth: 9/26 00:00:00 462kN >26...Qxa2 27.h6 Qf7 28.hxg7 Kxg7 29.Qf3 f5 30.Rb1 Nd7 31.Qh5 > µ (-0.78) Depth: 10/31 00:00:00 975kN >26...Qxa2 27.h6 Qf7 28.hxg7 Kxg7 29.Qf3 Kh8 30.Qc3 a5 31.Rd6 > µ (-0.84) Depth: 11/33 00:00:02 3793kN >26...Qxa2 27.h6 Qf7 28.hxg7 a5 29.Qf3 a4 30.Nh5 f5 31.Rd6 > ³ (-0.69) Depth: 12/35 00:00:10 13824kN >26...Qxa2 27.h6 Qf7 28.hxg7 Kxg7 29.Rd6 Re5 30.Bh3 Qe7 31.Ne6+ > µ (-0.75) Depth: 13/37 00:00:40 55973kN >26...Qxa2 27.h6 Qf7 28.hxg7 Kxg7 29.Rd6 Re5 30.Bh3 Rc5 31.Ne6+ > ³ (-0.56) Depth: 14/39 00:01:39 138440kN >26...Qxa2 27.h6 Qf7 28.hxg7 f5 29.Rd6 Qxg7 30.Qxg7+ Kxg7 31.Ne6+ > ³ (-0.31) Depth: 15/38 00:04:36 392560kN >26...Qxa2 27.h6 Qf7 28.hxg7 Kxg7 29.Rd6 Re5 30.Bf3 Qe7 31.Rcd1 > = (-0.06) Depth: 16/41 00:13:22 1150580kN >26...Qxa2 27.h6 Qf7 28.hxg7 Na6 29.Bxc6 Bxc6 30.Qxc6 Rac8 31.Qf3 > = (0.00) Depth: 17/47 00:44:32 3839603kN >26...Qxa2-- > ² (0.31) Depth: 18/46 01:53:54 9745600kN > >(Mirafzali, MyTown 03.03.2006) >Time Depth Score Positions Moves >0:00 1/3 0.01 651 1...c5 2.Bxb7 Qxb7 3.Qd3 >0:00 1/4 0.05 3669 1...c5 2.Bxb7 Qxb7 3.h6 Nc6 4.hxg7 > Qxg7 >0:00 1/5 0.05 16287 1...c5 2.Bxb7 Qxb7 3.h6 Nc6 4.hxg7 > Qxg7 >0:00 1/6 0.05 47585 1...c5 2.Bxb7 Qxb7 3.h6 Nc6 4.hxg7 > Qxg7 >0:00 1/7 -0.09 127747 1...c5 2.Bxb7 Qxb7 3.h6 Nc6 4.hxg7 > Nd4 5.e3 >0:01 2/8 0.05 227624 1...c5 2.Bxb7 Qxb7 3.h6 Nc6 4.hxg7 > Ne5 5.Qb3+ c4 6.Qb5 Qxg7 >0:02 2/8 -0.05 503036 1...Na6 2.Bxc6 Bxc6 3.Qxc6 Rad8 > 4.Rxd8 Rxd8 5.Ne6 Re8 6.Nf4 Nc5 >0:04 2/9 0.13 1037484 1...Na6 2.Bxc6 Bxc6 3.Qxc6 Rad8 > 4.Rxd8 Rxd8 5.h6 Nb4 6.Qc8 Rxc8 > 7.Rxc8+ Qf8 8.Rxf8+ Kxf8 9.hxg7+ > Kxg7 >0:14 2/10 0.02 3309112 1...Na6 2.Bxc6 Bxc6 3.Qxc6 Rad8 > 4.Rxd8 Rxd8 5.h6 Nc5 6.hxg7 Kxg7 > 7.Rc2 Kg8 >0:37 3/11 0.09 8897939 1...Na6 2.Bxc6 Bxc6 3.Qxc6 Rad8 > 4.Rxd8 Rxd8 5.h6 Nc5 6.hxg7 Kxg7 > 7.a3 Qd7 8.Qh1 >1:38 3/12 0.20 24378051 1...Na6 2.Bxc6 Bxc6 3.Qxc6 Nc5 > 4.h6 Rac8 5.Qf3 Qxa2 6.hxg7 Qf7 > 7.Nd5 Kxg7 8.Rd4 >this is analysis by Chessmaster 10 th Edition ;Really amazing.
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