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Subject: Re: Dutch Open CC (7) Leiden(NL): Ruffian-Rebel 1-0

Author: Eelco de Groot

Date: 05:08:05 10/25/03

Go up one level in this thread


On October 25, 2003 at 07:24:57, Theo van der Storm wrote:

>Dutch Open CC (7) Leiden(NL): Ruffian-Rebel 1-0
>
>Pairing of round 8 of Open Dutch Computer Chess Championship 2003
>Table  White                     - Black                                Results
>----------------------------------------------------------------------- round  8
>  1    The Baron           ( 4 ) - Ruffian             ( 5½)    11-  8
>  2    Chess Tiger         ( 5 ) - The King            ( 4½)     1-  3
>  3    Rebel               ( 4 ) - Deep Sjeng          ( 4½)     2-  6
>  4    IsiChess            ( 4 ) - Ant                 ( 3½)     5-  9
>  5    Zzzzzz              ( 2 ) - Tao                 ( 3½)    12-  7
>  6    Nullmover           ( 1½) - XiniX               ( 3½)    13- 10
>  7    GNU Chess           ( 0 ) - Diep                ( 3½)    14-  4
>
>Ranking after round 7 of Open Dutch Computer Chess Championship 2003
>No.  PNo.  Name                       Score WP    SB     PS    rat.  TPR  W-We
>-------------------------------------------------------------------------------
>  1.    8  Ruffian                     5.5  27.0  20.50  22.0  0000  -   0
>  2.    1  Chess Tiger                 5.0  29.0  20.00  19.5  0000  -   0
>  3.    6  Deep Sjeng                  4.5  27.5  16.75  19.0  0000  -   0
>        3  The King                    4.5  26.5  14.75  16.5  0000  -   0
>  5.    2  Rebel                       4.0  30.0  15.75  18.0  0000  -   0
>        5  IsiChess                    4.0  24.5  10.25  17.5  0000  -   0
>       11  The Baron                   4.0  19.5   7.00  14.0  0000  -   0
>  8.    4  Diep                        3.5  30.0  14.50  17.5  0000  -   0
>       10  XiniX                       3.5  22.5   7.75  12.5  0000  -   0
>        7  Tao                         3.5  21.5   7.25  14.0  0000  -   0
>        9  Ant                         3.5  19.0   6.00  12.0  0000  -   0
> 12.   12  Zzzzzz                      2.0  21.0   2.50   8.0  0000  -   0
> 13.   13  Nullmover                   1.5  23.0   1.00   5.5  0000  -   0
> 14.   14  GNU Chess                   0.0  22.0   0.00   0.0  0000  -   0
>
>Pairing of round 7 of Open Dutch Computer Chess Championship 2003
>Table  White                     - Black                                Results
>----------------------------------------------------------------------- round  7
>  1    Ruffian             ( 4½) - Rebel               ( 4 )     8-  2  1-0
>  2    IsiChess            ( 3½) - Chess Tiger         ( 4½)     5-  1  ½-½
>  3    Tao                 ( 3 ) - Deep Sjeng          ( 4 )     7-  6  ½-½
>  4    The King            ( 3½) - Diep                ( 3½)     3-  4  1-0
>  5    The Baron           ( 3 ) - GNU Chess           ( 0 )    11- 14  1-0
>  6    XiniX               ( 2½) - Zzzzzz              ( 2 )    10- 12  1-0
>  7    Ant                 ( 2½) - Nullmover           ( 1½)     9- 13  1-0
>
>Theo


Thanks Theo

Quick look , I think that Rebel made a mistake at move 37, be it in a
complicated midgame, but I'm still curious why Rebel played 37...Bxb5? Q5T
thinks it is bad..


[Event "23rd DOCC"]
[Site "Leiden NED"]
[Date "2003.10.25"]
[Round ""]
[White "Ruffian"]
[Black "Rebel"]
[Result "1-0"]
[BlackElo ""]
[WhiteElo ""]
[ECO ""]

1.Nf3 Nc6 2.e4 e5 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 d6 8.Bd5
Nxd5 9.exd5 Nb4 10.d4 e4 11.Rxe4 Bf5 12.Re2 Nxd5 13.Bg5 O-O 14.Bxe7
Nxe7 15.Nc3 b4 16.Ne4 Nd5 17.a3 Bg4 18.Re1 Re8 19.Qd3 Bf5 20.Nfd2 Nb6
21.Qf3 Bg6 22.axb4 d5 23.Nc5 Rxe1 24.Rxe1 Bxc2 25.Qe2 Qd6 26.Nxa6 f6
27.b5 Bf5 28.Nf1 Bd7 29.Ne3 Re8 30.Qc2 Nc4 31.b3 Nxe3 32.Rxe3 Ra8 33.g3
Ra7 34.Qe2 f5 35.Kg2 h6 36.Nc5 f4 37.Re7 Bxb5

{37...Bxb5?

[D]6k1/r1p1R1p1/3q3p/1bNp4/3P1p2/1P4P1/4QPKP/8 w - -

Analysis Q5T in Century 2.0

Last Move : 37... Bxb5 (White to play)

00:00  04.00  2.10  38.Qxb5 Qxe7 39.Qb8+ Kh7 40.Qxa7
00:00  05.00  1.92  38.Qxb5 Qxe7 39.Qb8+ Kh7 40.Qxa7 g6
00:00  06.00  1.84  38.Qxb5 f3+ 39.Kh3 Qxe7 40.Qb8+ Kh7 41.Qxa7 g5
00:01  07.00  1.77  38.Qxb5 f3+ 39.Kh3 Qxe7 40.Qb8+ Kh7 41.Qxa7 Qe2 42.Qxc7 Qxf2
00:04  08.00  1.62  38.Qxb5 f3+ 39.Kh3 Qxe7 40.Qb8+ Qf8 41.Qxa7 Qc8+ 42.Kh4 g5+
00:14  09.00  1.68  38.Qxb5 f3+ 39.Kh3 Qxe7 40.Qb8+ Qf8 41.Qxa7 Qc8+ 42.Kh4 g5+
00:35  10.00  0.06  38.Qxb5 f3+ 39.Kh3 Qxe7 40.Qb8+ Kh7 41.Qxa7+ Qg5 42.g4
02:12  10.01  1.70(!)  38.Qe6+ Qxe6 39.Nxe6 Ra3 40.Rxg7+ Kh8 41.Rxc7 fxg3
42.hxg3 Rxb3
03:59  11.00  1.63  38.Qe6+ Qxe6 39.Nxe6 fxg3 40.Rxg7+ Kh8 41.Rxg3 c6 42.Rg6 h5
}

38.Qe6+ Qxe6 39.Nxe6 Kh8 40.Rxc7 Ra3
41.Nxf4 Rxb3 42.Nxd5 Rd3 43.Nc3 Bd7 44.Rxd7 Rxc3 45.h4 Kg8 46.f3 Rc2+
47.Kh3 h5 48.g4 Kh7 49.gxh5 Kh6 50.Kg4 Rg2+ 51.Kf5 Kxh5 52.d5 Rd2
53.Rd8 Kxh4 54.d6 1-0

{Last Move : 37.Re7 (Black to play)Q5T first 8 plies:

00:00  02.00  1.05  37..f3+ 38.Qxf3 Qxe7 39.Qxd5+ Qf7 40.Qxf7+ Kxf7
00:00  04.00  1.59  37..f3+ 38.Qxf3 Qxe7 39.Qxd5+ Kh8 40.Qxd7 Qe2 41.Qc8+
00:00  05.03  0.91  37..Ra2 38.Qxa2 Qxe7 39.Qa8+ Kh7 40.Qxd5
00:01  06.00  0.91  37..Ra2 38.Qxa2 Qxe7 39.Qa8+ Kh7 40.Qxd5
00:02  07.00  0.55  37..Ra2 38.Qe5 Qxe5 39.dxe5 Bg4 40.gxf4 Ra7 41.Ne6
00:07  08.00  0.38  37..Ra2 38.Qe5 Qxe5 39.dxe5 Bxb5 40.gxf4 d4 41.Rxc7 d3
}





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