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Subject: Re: Testposition - ..c4!

Author: David Rasmussen

Date: 09:08:44 02/23/03

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On February 21, 2003 at 14:08:19, bobby palacios wrote:

>Taken from game 14 of my 24 game match at game in 2.5hrs between Fritz8 and
>Shredder 7.
>
>[D] 2r3k1/pp1b1pp1/3q1n1p/2pPR3/5P2/1PNQ4/P1B3PP/7K b - - 0 23
>
>In this seemingly equal position, Fritz 8 played the nice pawn sac ..c4!  How
>many programs will play ..c4 and give black a better position.  In the game
>Fritz 8 gave itself a 3/4 pawn advantage.

Chezzz:

time         nodes depth    score  pv
00:00:00.00   10n  01/00/02 +0.176 23... h5 (10)
00:00:00.00   20n  01/00/02 +0.229 23... Ng4 (20)
00:00:00.02   27n  01/00/02 +0.254 23... Bg4 (27)
00:00:00.02   39n  01/00/02 +0.409 23... Rd8 (39)
00:00:00.04   54n  01/00/03 ---------------------------------------------------
00:00:00.04  105n  02/02/03 +0.289 23... Rd8 24. Qc4 (105)
00:00:00.07  310n  02/02/04 ---------------------------------------------------
00:00:00.07  539n  03/04/05 +0.289 23... Rd8 24. Qc4 Bg4 (539)
00:00:00.08 1218n  03/06/07 ---------------------------------------------------
00:00:00.10 2154n  04/08/09 +0.264 23... Rd8 24. Qc4 Ng4 25. Re2 (2154)
00:00:00.11 3583n  04/08/09 ---------------------------------------------------
00:00:00.13 6163n  05/09/11 +0.289 23... Rd8 24. Qc4 Ng4 25. Re2 Nf6 (6163)
00:00:00.16   14kn 05/09/13 ---------------------------------------------------
00:00:00.19   25kn 06/11/13 +0.158 23... Rd8 24. Qc4 Ng4 25. Re2 Kf8
                                   26. a3 (25669)
00:00:00.30   65kn 06/11/15 ---------------------------------------------------
00:00:00.35   94kn 07/13/15 +0.184 23... Rd8 24. Qc4 Ng4 25. Re2 Kh8
                                   26. a3 Kg8 (94841)
00:00:00.50  176kn 07/13/15 ---------------------------------------------------
00:00:00.64  250kn 08/15/16 +0.158 23... Rd8 24. Qc4 Ng4 25. Re2 Kh8
                                   26. a3 Kg8 27. Kg1 (250802)
00:00:01.00  431kn 08/16/19 ---------------------------------------------------
00:00:01.46  695kn 09/15/17 +0.183 23... Rd8 24. Qc4 Ng4 25. Re2 Kh8
                                   26. a3 Kg8 27. Kg1 Nf6 (695531)
00:00:02.49 1274kn 09/18/22 ---------------------------------------------------
00:00:03.88 2001kn 10/17/22 +0.010 23... Rd8 24. Ne4 Nxe4 25. Qxe4 Kf8
                                   26. Qh7 f6 27. Qh8+ Kf7
                                   28. Qxd8 fxe5 29. fxe5 Qxd5 (2001050)
00:00:07.85 4128kn 10/19/22 +0.151 23... Kf8 24. Qc4 a6 25. a4 Rd8
                                   26. Bd3 b5 27. axb5 Bxb5
                                   28. Nxb5 axb5 29. Qxb5 Nxd5 (4128949)
00:00:15.83 8304kn 10/22/24 ---------------------------------------------------
00:00:29.64   16Mn 11/21/24 +0.196 23... Kf8 24. Bd1 Rd8 25. Qc4 a6
                                   26. Bf3 Bg4 27. Ne4 Nxe4
                                   28. Qxe4 Bd7 (16359668)
00:00:42.22   23Mn 11/24/26 ---------------------------------------------------
00:00:57.94   32Mn 12/20/26 +0.163 23... Kf8 24. Qc4 Ng4 25. Re2 b5
                                   26. Qe4 b4 27. Qh7 f5
                                   28. Nb5 Qxf4 29. Qh8+ Kf7 (32779985)
00:01:27.22   49Mn 12/26/29 ---------------------------------------------------
00:02:14.50   77Mn 13/23/28 +0.138 23... Kf8 24. Bd1 a6 25. Be2 b5
                                   26. Qe3 Rd8 27. Kg1 Kg8
                                   28. a3 b4 29. axb4 cxb4 (77962446)
00:02:57.54  102Mn 13/28/31 +0.150 23... c4 24. bxc4 Qc5 25. Ne4 Nxe4
                                   26. Qxe4 f5 27. Qe2 Qxc4
                                   28. Qxc4 Rxc4 29. Re7 Rxc2
                                   30. Rxd7 (102460641)

The score is not that impressive, though :)



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