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Subject: Re: Test position

Author: Tord Romstad

Date: 03:38:13 12/30/03

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On December 30, 2003 at 02:45:55, K. Burcham wrote:

>
>Here is a test position played by Shredder 7.04 in fast game.
>will most programs also play this in fast time control?
>I noticed chess tiger 14 would not play, will someone with
>chess tiger 15 see if it will play this move?
>
>18...Rxf3
> [D] 2r2rk1/pR2b1pp/2n1p3/2p1p1B1/Q1P1P3/3q1N2/5PPP/5RK1 b - -

Gothmog (PIV 2.4 GHz) chooses Rxf3 quickly, then switches to Bf6, and finally
back to Rxf3 after 57 seconds:

 1        1.41     0.00         87 Rxf3 Bxe7
 2        1.41     0.00        354 Rxf3 Bxe7
 3        1.31     0.01       1726 Rxf3 Bxe7 Rf7
 4        0.97     0.06       9015 Bf6 Re1 Bxg5 Nxg5
 5        0.94     0.18      24970 Bf6 Be3 Nd4 Nd2 Nc2
 6    >=  0.94     0.25      33782 Bxg5 Nxg5 Nd4 Rxa7 Ne2+ Kh1 Rxf2
 6    >=  0.95     0.26      34690 Bxg5 Nxg5 Nd4 Rxa7 Ne2+ Kh1 Rxf2
 6    <=  1.00     0.36      51778 Bxg5 Nxg5 Nd4 Rxa7 Ne2+ Kh1 Rxf2
 6    <=  0.98     0.37      53622 Bxg5 Nxg5 Nd4 Qa1 a5 Qxa5 Qxc4
 6    >=  0.97     0.37      54220 Bxg5 Nxg5 Nd4 Qa1 Qd2 h4
 6    <=  0.97     0.38      55366 Bxg5 Nxg5 Nd4 Qa1 Qd2 h4
 6        0.97     0.38      55366 Bxg5 Nxg5 Nd4 Qa1 Qd2 h4
 7    <=  0.95     0.64     100516 Bxg5 Nxg5 Nd4 Qxa7 Ne2+ Kh1 Ng3+ hxg3
                                   Qxf1+ Kh2
 7    <=  0.94     0.66     105399 Bxg5 Nxg5 Nd4 Qxa7 Ne2+ Kh1 Ng3+ hxg3
                                   Qxf1+ Kh2
 7    <=  0.91     0.70     112331 Bxg5 Nxg5 Nd4 Qxa7 Ne2+ Kh1 Ng3+ hxg3
                                   Qxf1+ Kh2
 7    <=  0.83     0.75     124202 Bxg5 Nxg5 Nd4 Qxa7 Ne2+ Kh1 Ng3+ hxg3
                                   Qxf1+ Kh2
 7    >=  0.69     0.86     143886 Bf6 Bxf6 gxf6 Qd1 Rcd8 Qxd3 Rxd3
 7    >=  0.70     0.87     145842 Bf6 Bxf6 gxf6 Qd1 Rcd8 Qxd3 Rxd3
 7    <=  0.75     0.92     154948 Bf6 Bxf6 gxf6 Qd1 Rcd8 Qxd3 Rxd3
 7    <=  0.73     0.93     158563 Bf6 Bxf6 gxf6 Qd1 Rcd8 Qxd3 Rxd3
 7    <=  0.70     0.95     163119 Bf6 Bxf6 gxf6 Qd1 Rcd8 Qxd3 Rxd3
 7        0.70     0.95     163119 Bf6 Bxf6 gxf6 Qd1 Rcd8 Qxd3 Rxd3
 8    >=  0.70     1.33     234481 Rxf3 Bxe7 Rf4 Bxc5 Qxe4 Bxa7 Na5
 8    >=  0.72     1.33     236115 Rxf3 Bxe7 Rf4 Bxc5 Qxe4 Bxa7 Na5
 8    <=  0.77     1.82     332316 Rxf3 Bxe7 Rf4 Bxc5 Qxe4 Rc1 Rg4 f3
 8    <=  0.75     1.85     340447 Rxf3 Bxe7 Rf4 Bxc5 Qxe4 Rc1 Rg4 f3
 8    >=  0.73     1.87     345059 Rxf3 Bxe7 Rf4 Bxc5 Qxe4 Rc1 Rg4 f3
 8    >=  0.75     1.88     346483 Rxf3 Bxe7 Rf4 Bxc5 Qxe4 Rc1 Rg4 f3
 8        0.75     1.88     346483 Rxf3 Bxe7 Rf4 Bxc5 Qxe4 Rc1 Rg4 f3
 9    <=  0.73     3.20     613499 Rxf3 Bxe7 Rf4 Bxc5 Qxe4 Bxa7 Na5 Rb8 Rxb8
                                   Bxb8 Nxc4
 9    <=  0.72     3.24     627304 Rxf3 Bxe7 Rf4 Bxc5 Qxe4 Bxa7 Na5 Rb8 Rxb8
                                   Bxb8 Nxc4
 9    <=  0.69     3.33     653019 Rxf3 Bxe7 Rf4 Bxc5 Qxe4 Bxa7 Na5 Rb8 Rxb8
                                   Bxb8 Nxc4
 9    <=  0.61     3.97     789451 Rxf3 Bxe7 Rf4 Bxc5 Qxe4 Bxa7 Na5 Rb8 Rxb8
                                   Bxb8 Nxc4
 9    >=  0.47     4.24     839427 Rxf3 Bxe7 Rf4 Bxc5 Qxe4 Bxa7 Qxc4 Qxc4
                                   Rxc4
 9    >=  0.48     4.25     843056 Rxf3 Bxe7 Rf4 Bxc5 Qxe4 Bxa7 Qxc4 Qxc4
                                   Rxc4
 9    <=  0.53     4.63     926769 Rxf3 Bxe7 Rf4 Bxc5 Qxe4 Bxa7 Qxc4 Qxc4
                                   Rxc4
 9    >=  0.53     4.70     941831 Rxf3 Bxe7 Rf4 Bxc5 Rxe4 Qd1 Qxd1 Rxd1 Re2
 9        0.53     4.71     941831 Rxf3 Bxe7 Rf4 Bxc5 Rxe4 Qd1 Qxd1 Rxd1 Re2
10    >=  0.53     8.44    1666605 Bf6 Qd1 Qxd1 Rxd1 Rcd8 Rxd8 Rxd8 Kf1 Bxg5
                                   Nxg5 Rd1+
10    >=  0.55     8.49    1681349 Bf6 Qd1 Qxd1 Rxd1 Rcd8 Rxd8 Rxd8 Kf1 Bxg5
                                   Nxg5 Rd1+
10    >=  0.61     9.03    1792118 Bf6 Qd1 Rfd8 Qxd3 Rxd3
10    <=  0.73    11.53    2291740 Bf6 Qd1 Rfd8 Qxd3 Rxd3 Bxf6 gxf6
10    <=  0.72    11.73    2337966 Bf6 Qd1 Rfd8 Qxd3 Rxd3 Bxf6 gxf6
10    >=  0.70    12.22    2439354 Bf6 Qd1 Rfd8 Qxd3 Rxd3 Bxf6 gxf6
10    <=  0.70    12.37    2477381 Bf6 Qd1 Rfd8 Qxd3 Rxd3 Bxf6 gxf6
10        0.70    12.37    2477381 Bf6 Qd1 Rfd8 Qxd3 Rxd3 Bxf6 gxf6
11    >=  0.70    16.56    3255231 Bf6 Qd1 Rfd8 Qxd3 Rxd3 Bxf6 gxf6
11    >=  0.72    17.34    3432099 Bf6 Qd1 Rfd8 Qxd3 Rxd3 Bxf6 gxf6
11    <=  0.77    28.22    5641349 Bf6 Qd1 Rfd8 Qxd3 Rxd3 Bxf6 gxf6
11    <=  0.75    30.52    6127721 Bf6 Qd1 Rfd8 Qxd3 Rxd3 Bxf6 gxf6
11    <=  0.72    31.49    6382962 Bf6 Qd1 Rfd8 Qxd3 Rxd3 Bxf6 gxf6
11        0.72    31.49    6382962 Bf6 Qd1 Rfd8 Qxd3 Rxd3 Bxf6 gxf6
12    >=  0.72    42.12    8388719 Bf6 Qd1 Rfd8 Qxd3 Rxd3 Bxf6 gxf6
12    >=  0.73    44.38    8917580 Bf6 Qd1 Rfd8 Qxd3 Rxd3 Bxf6 gxf6
12    >=  0.80    57.58   11717656 Rxf3 Bxe7 Rf4 f3 Qe3+ Kh1 Qxe4 Bxc5 Qxc4
                                   Qxc4 Rxc4 Bxa7 Rc2
12    <=  0.92     1:15   15290707 Rxf3 Bxe7 Rf4 Bxc5 Rxe4 Bxa7 Rxc4 Qd1 Qg6
                                   Qd7 Rd8 Qc7
12    <=  0.91     1:16   15666080 Rxf3 Bxe7 Rf4 Bxc5 Rxe4 Bxa7 Rxc4 Qd1 Qg6
                                   Qd7 Rd8 Qc7
12    <=  0.88     1:19   16276950 Rxf3 Bxe7 Rf4 Bxc5 Rxe4 Bxa7 Rxc4 Qd1 Qg6
                                   Qd6 Rd8 Qa3
12    >=  0.81     1:20   16476464 Rxf3 Bxe7 Rf4 Bxc5 Rxe4 Bxa7 Rxc4 Qd1 Qg6
                                   Qd6 Rd8 Qa3
12    <=  0.81     1:24   17365072 Rxf3 Bxe7 Rf4 Bxc5 Rxe4 Qa6 Qxc4 Qxc4
                                   Rxc4 Bxa7 Rc2 Rd1
12        0.81     1:24   17365072 Rxf3 Bxe7 Rf4 Bxc5 Rxe4 Qa6 Qxc4 Qxc4
                                   Rxc4 Bxa7 Rc2 Rd1
13    >=  0.81     1:38   20281042 Rxf3 Bxe7 Rf4 Bxc5 Rxe4 Qa6 Qxc4 Qxc4
                                   Rxc4 Bxa7 Rc2 Rd1
13    >=  0.83     1:40   20718988 Rxf3 Bxe7 Rf4 Bxc5 Rxe4 Qa6 Qxc4 Qxc4
                                   Rxc4 Bxa7 Rc2 Rd1 e4
13    >=  0.89     1:46   22191731 Rxf3 Bxe7 Rf4 Bxc5 Rxe4 Qa6 Qxc4 Qxc4
                                   Rxc4 Bxa7 Rc2
13    <=  1.02     2:43   34322211 Rxf3 Bxe7 Rf4 Bxc5 Rxe4 Qa6 Qxc4 Qxc4
                                   Rxc4 Bxa7 Rc2
13    <=  1.00     2:55   36991944 Rxf3 Bxe7 Rf4 Bxc5 Rxe4 Qa6 Qxc4 Qxc4
                                   Rxc4 Bxa7 Rc2
13    <=  0.97     3:04   39242677 Rxf3 Bxe7 Rf4 Bxc5 Rxe4 Qa6 Qxc4 Qxc4
                                   Rxc4 Bxa7 Rc2
13    <=  0.89     3:27   44399509 Rxf3 Bxe7 Rf4 f3 Qe3+ Kh1 Qxe4 Bxc5 Qxc4
                                   Qxc4 Rxc4 Bxa7 Rc2
13        0.89     3:27   44399509 Rxf3 Bxe7 Rf4 f3 Qe3+ Kh1 Qxe4 Bxc5 Qxc4
                                   Qxc4 Rxc4 Bxa7 Rc2

Tord



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