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Subject: Re: a test position for Fritz7 and futility pruning

Author: K. Burcham

Date: 15:19:53 02/07/02

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Not sure if b4 is best move. but you can see these programs say at these depths
it is strong move. I did not play out any lines to see if this is best move.
what do you think Uri?


 [D] 4rnk1/pp1q1ppp/2p4r/3p4/3P4/4P1NP/PPQ2PP1/R3R1K1 w - - 0 1

Deep Fritz:  2x1533           512 hash
1.Rac1 Ne6 2.b4 a6 3.a3 Nc7 4.Qf5 Rhe6 5.Qg4 Qd8 6.Nf5 Qf6
  =  (0.09)   Depth: 14/33   00:00:16  21444kN
1.Rac1 Ne6 2.b4 Rg6 3.Qf5 Rg5 4.Qd3 Rg6 5.Red1 Qd6 6.Nf5 Qxb4
  =  (0.06)   Depth: 15/33   00:00:41  53906kN
1.Rac1 Ne6 2.b4 Rg6 3.Qf5 Rg5 4.Qf3 Rg6 5.a4 Rf6 6.Qd1 Ng5
  =  (0.06)   Depth: 16/35   00:02:11  173644kN
1.b4!
  =  (0.09)   Depth: 16/38   00:03:21  269994kN
1.b4 Ne6 2.a4 Rg6 3.b5 Ng5 4.Qd1 Ne4 5.Nxe4 dxe4 6.Qh5 Rc8
  =  (0.09)   Depth: 17/38   00:05:35  460711kN
1.b4 Ne6 2.Rab1 Rg6 3.Qd3 Ng5 4.b5 b6 5.bxc6 Rxc6 6.Rec1 Ne4
  =  (0.06)   Depth: 18/40   00:13:29  1132879kN
1.b4 Ne6 2.a4 Rg6 3.Qf5 Rg5 4.Qf3 Rg6 5.Qh5 Ng5 6.b5 Qe6
  =  (0.06)   Depth: 19/42   00:32:56  2805313kN
1.b4 Ne6 2.a4 Rg6 3.Qf5 Rf6 4.Qh5 Rh6 5.Qg4 Rg6
  =  (0.06)   Depth: 20/46   01:26:41  7485070kN


Fritz 7:   2x1533        512 hash
1.Rac1 Qe6 2.b4 g6 3.Qc5 Ra8 4.e4 dxe4 5.Nxe4 Qxa2
  =  (0.22)   Depth: 9/19   00:00:00  258kN
1.Rac1 Rg6 2.a3 Qd6 3.Qc5 Qxc5 4.dxc5 Nd7 5.b4 Kf8 6.Rcd1
  =  (0.16)   Depth: 10/25   00:00:00  746kN
1.Rac1 Ne6 2.Qf5 Qe7 3.a3 Qh4 4.b4 Rf6 5.Qh5 Qxh5 6.Nxh5
  =  (0.16)   Depth: 11/26   00:00:02  2017kN
1.Rac1 Ne6 2.Qf5 Qe7 3.a3 Rf6 4.Qc2 Ng5 5.Qc5 Qxc5 6.Rxc5 Ne4 7.Nxe4 dxe4
  =  (0.09)   Depth: 12/26   00:00:05  4058kN
1.Rac1 Ne6 2.b4 Ng5 3.Qf5 Qxf5 4.Nxf5 Rf6 5.Ng3 Kf8 6.b5 Ne4 7.Nxe4 dxe4 8.bxc6
  =  (0.09)   Depth: 13/28   00:00:13  11018kN
1.a4!
  =  (0.13)   Depth: 13/28   00:00:20  16582kN
1.a4! Ne6 2.a5 Ng5 3.Qf5 Qxf5 4.Nxf5 Rg6 5.Ng3 h5 6.Kf1 Ne4 7.Nxe4 dxe4 8.a6
  =  (0.16)   Depth: 13/28   00:00:22  18273kN
1.a4 Ne6 2.a5 Ng5 3.Qf5 Qxf5 4.Nxf5 Rg6 5.Ng3 Ne4 6.Nxe4 dxe4 7.a6 b6 8.Rec1
  =  (0.16)   Depth: 14/30   00:00:27  22815kN
1.a4 Ne6 2.a5 Ng5 3.a6 b6 4.Qf5 Qxf5 5.Nxf5 Rhe6 6.Ng3 g6 7.Rac1 f5
  =  (0.16)   Depth: 15/31   00:00:39  32822kN
1.a4 Ne6 2.a5 Ng5 3.a6 b6 4.Qf5 Qxf5 5.Nxf5 Rhe6 6.Ng3 g6 7.Rac1 f5 8.Kf1
  =  (0.16)   Depth: 16/37   00:01:52  92923kN
1.a4 Ne6 2.a5 Ng5 3.a6 b6 4.Qf5 Qxf5 5.Nxf5 Rg6 6.Ng3 h5 7.Kf1 h4 8.Nf5
  =  (0.13)   Depth: 17/39   00:03:34  178950kN
1.a4 Ne6 2.b4 Ng5 3.Rec1 Ne4 4.Nxe4 dxe4 5.Qc5 Rg6 6.Kh1 a6 7.Rc2
  =  (0.03)   Depth: 18/41   00:13:20  657087kN
1.a4 Ne6 2.b4 Ng5 3.Rec1 Ne4 4.Nxe4 dxe4 5.Qc5 b6 6.Qc4 Qf5 7.Rc2 Rg6
  =  (0.00)   Depth: 19/44   00:37:40  1868537kN
1.Rac1!
  =  (0.03)   Depth: 19/44   00:39:35  1976349kN
1.b4!
  =  (0.06)   Depth: 19/44   00:54:19  2742404kN


Deep Shredder 6           2x1533mhz          512 hash
  9.01	 0:00 	-0.40 	1.Qc5 a6 2.Rab1 Rhe6 3.Qc2 Ng6 4.Ne2 (337.417) 502.1
  9.22	 0:01 	-0.39++	1.b4 Rhe6 2.b5 cxb5 3.Qf5 h6 4.Ne2 (740.746) 532.5
  9.22	 0:01 	-0.35 	1.b4 Rhe6 2.b5 cxb5 3.Qf5 Rc6 4.Qxd7 Nxd7 5.Rab1 (775.205)
533.5
 10.01	 0:01 	-0.31 	1.b4 Rhe6 2.Rab1 a6 3.a3 Ng6 4.Nf5 Nf4 5.Qc5 (985.899)
539.3
 11.01	 0:02 	-0.37 	1.b4 Rhe6 2.b5 cxb5 3.Qf5 Rc6 4.Rab1 a6 5.a3 f6 (1.560.345)
548.6
 12.01	 0:06 	-0.33 	1.b4 Rhe6 2.Rab1 a6 3.a3 Qc7 4.Qf5 Ng6 5.Rec1 Qd6 6.Rd1 f6
(3.489.896) 563.9
 13.01	 0:10 	-0.34 	1.b4 Rhe6 2.Rab1 a6 3.Nf5 Ng6 4.a4 Ne7 5.b5 Nxf5 6.Qxf5
cxb5 7.axb5 axb5 8.Rec1 (5.790.161) 566.6
 14.01	 0:37 	-0.22 	1.b4 Rhe6 2.Rab1 Ng6 3.Rec1 a6 4.a4 f6 5.b5 axb5 6.axb5
cxb5 7.Qc7 (20.734.174) 546.3
 15.01	 2:59 	-0.24 	1.b4 Ne6 2.a4 Nc7 3.Rac1 a6 4.Qf5 Qe7 5.Rb1 Rg6 6.Qf4 Rg5
7.e4 dxe4 (95.830.656) 533.8
 16.01	 6:05 	-0.17 	1.b4 Ne6 2.a4 Nc7 3.Qc5 a6 4.Qa7 Qc8 5.Rab1 Rhe6 6.Nf5 Rf6
7.Ng3 (194.741.327) 533.3
 17.01	 8:53 	-0.17 	1.b4 Ne6 2.a4 Nc7 3.Qc5 a6 4.Qa7 Qc8 5.Rab1 Rhe6 6.Nf5 Rf6
7.Ng3 (286.697.645) 537.6
 18.01	16:59 	-0.17 	1.b4 Ne6 2.a4 Nc7 3.Qc5 a6 4.Qa7 Qc8 5.Rab1 Rhe6 6.Nf5 Rf6
7.Ng3 Rg6 (557.990.526) 547.1

Deep Junior 7:        2x1533 mhz          512 hash
1.b4 Rf6 2.e4 Ne6 3.e5 Rf4 4.Ne2 Re4
  =  (0.23)   Depth: 12   00:00:00  623kN
1.b4 Rg6 2.a4 h6 3.e4 dxe4 4.Rxe4 Ne6 5.Nf5
  =  (0.17)   Depth: 15   00:00:01  2812kN
1.a4 Ng6 2.e4 dxe4 3.Nxe4 Qd8 4.Qb3 Rh4 5.Qd3 Nf4
  =  (0.22)   Depth: 15   00:00:02  4209kN
1.a4 Ng6 2.Qf5 Qd8 3.Qg4 Nh4
  =  (0.10)   Depth: 18   00:00:12  25132kN
1.a4 Ng6 2.Qf5 Qd8 3.a5 Nh4 4.Qf4 Rhe6 5.a6 b5 6.Rec1 h6 7.Nf5
  =  (0.11)   Depth: 20   00:01:33  197831kN
1.a4 Ng6 2.Qf5 Qd8 3.a5 Nh4 4.Qf4 Rhe6 5.a6 b5 6.Rec1 h6 7.Nf5
  =  (0.11)   Depth: 21   00:04:40  569112kN
1.a4 Ne6 2.a5 Ng5 3.Qf5 Qxf5 4.Nxf5 Rf6 5.Ng3 Ne4 6.Nxe4 dxe4 7.Rec1 Rb8 8.b4
  =  (0.08)   Depth: 22   00:12:02  1451980kN
1.Rad1 Ng6 2.e4 Nf4 3.e5 Nxh3+ 4.gxh3 Qxh3 5.Qf5 Qh2+ 6.Kf1 Kf8 7.Qd7 b6 8.Qxa7
  =  (0.09)   Depth: 22   00:20:00  1992427kN
1.Rad1 Ne6 2.f4 Rg6 3.Qf2 Qd6 4.Rc1 a6 5.Kh2 Rf6 6.f5 h5
  =  (0.02)   Depth: 23   00:29:53  3615889kN
1.a4 Ne6 2.a5 Ng5 3.Qf5 Qxf5 4.Nxf5 Rf6 5.Ng3 a6 6.f3 Ne6 7.Rec1 Rg6
  =  (0.07)   Depth: 23   00:38:59  3890684kN
1.Rac1 Ne6 2.f4 Qd8 3.Qf2 a6 4.b4 Nc7 5.f5 Qg5 6.Qf4
  =  (0.10)   Depth: 23   00:57:28  1664440kN
1.Rac1 Ne6 2.f4 Nc7 3.f5 Nb5 4.Qd3 Nd6 5.b4 g6 6.f6 Nc4 7.e4
  =  (0.04)   Depth: 24   01:08:54  4007898kN


Fritz 7:   1000 mhz         192 hash
1.a4 Ne6 2.a5 a6 3.Qf5 Rf6 4.Qh5 Rh6 5.Qg4 Rg6
  =  (0.13)   Depth: 16/36   00:03:34  108920kN
1.a4 Ne6 2.a5 a6 3.Qf5 Rf6 4.Qh5 Rh6 5.Qf3 Rg6 6.Rac1 Ng5 7.Qh5 Qc7
  =  (0.13)   Depth: 17/38   00:08:46  270741kN
1.a4 Ne6 2.a5 Ng5 3.a6 b6 4.Qf5 Qxf5 5.Nxf5 Rg6 6.Ng3 h5 7.Kf1
  =  (0.00)   Depth: 18/41   00:26:01  805485kN
1.a4 Ne6 2.a5 Ng5 3.a6 b6 4.Qf5 Qxf5 5.Nxf5 Rg6 6.Ng3 h5 7.Kf1 h4
  =  (0.00)   Depth: 19/42   00:59:46  1882750kN
1.b4!
  =  (0.03)   Depth: 19/46   01:35:17  3045092kN
1.b4 Ne6 2.Rec1 Rf8 3.Nf5 Rg6 4.Nh4 Rh6 5.Nf3 f6 6.Rab1 Ng5
  =  (0.06)   Depth: 20/44   03:19:19  6215767kN
kburcham











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