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Subject: Re: Larsen - Kavalek 1979

Author: Kim Roper Jensen

Date: 04:43:50 09/07/03

Go up one level in this thread


On September 07, 2003 at 07:10:52, mike schoonover wrote:

finding Nxf5 seems to be the least of the problems, finding the draw score is
another matter, see dieters answer.

/kim

>hi kim,
>crafty1904 compiled by mike brnes,(fischer personallity)finds
>Nxf5 quickly enough.
>i did'nt leave it run to long as to see if it could get a draw score.
>still i dont think that running on an old 433 mhz celeron you could
>expect as much in less than the better part of a morning.
>regards
>mike
>
>choose from book moves randomly (using weights.)
>choose from 3 best moves.
>book learning enabled
>result learning enabled
>position learning enabled
>threshold set to 9 pawns.
>4 piece tablebase files found
>1326kb of RAM used for TB indices and decompression tables
>
>Crafty v19.4 (1 cpus)
>
>White(1): xboard
>White(1): random
>White(1): hard
>pondering enabled.
>White(1): level 0 3 0
> game/3 minutes primary time control
>White(1): force
>White(1): new
>White(1): hard
>pondering enabled.
>White(1): level 0 3 0
> game/3 minutes primary time control
>White(1): force
>White(1): new
>White(1): force
>White(1): a2a3
>feature done=1
>Black(1): edit
>edit.command:#
>edit.command:Ba6
>edit.command:Rc4
>edit.command:Ke6
>edit.command:Pf5
>edit.command:Ng4
>edit.command:Pg6
>edit.command:c
>edit.command:Pb4
>edit.command:Kb8
>edit.command:Bc3
>edit.command:Rd4
>edit.command:Nh4
>edit.command:.
>
>       +---+---+---+---+---+---+---+---+
>    8  |   | *K|   |   |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    7  |   |   |   |   |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    6  | B |   |   |   | K |   | P |   |
>       +---+---+---+---+---+---+---+---+
>    5  |   |   |   |   |   | P |   |   |
>       +---+---+---+---+---+---+---+---+
>    4  |   | *P| R | *R|   |   | N | *N|
>       +---+---+---+---+---+---+---+---+
>    3  |   |   | *B|   |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    2  |   |   |   |   |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>    1  |   |   |   |   |   |   |   |   |
>       +---+---+---+---+---+---+---+---+
>         a   b   c   d   e   f   g   h
>
>Black(1): hard
>pondering enabled.
>Black(1): level 0 3 0
> game/3 minutes primary time control
>Black(1): post
>Black(1): noise 1000
>noise level set to 1000.
>Black(1): analyze
>end-game phase
>              clearing hash tables
>              time limit 5.62 (39.34)
>              depth   time  score   variation (1)
>                3     0.02   3.85   1. ... Rxc4 2. Bxc4 Kc7 3. Ne5
>                3     0.02   3.53   1. ... Ka7 2. Rxd4 Bxd4 3. Bb5
>                3     0.03   3.23   1. ... Rd8 2. Bb5 Nf3
>                3->   0.04   3.23   1. ... Rd8 2. Bb5 Nf3
>                4     0.04     --   1. ... Rd8
>                4     0.05   3.77   1. ... Rd8 2. Bb5 Ka7 3. Ne5
>                4     0.05   3.71   1. ... Rxc4 2. Bxc4 Kc7 3. Ne5 Bd4
>                4     0.06   3.19   1. ... Ka7 2. Rxd4 Bxd4 3. Bc4 Bg7
>                4->   0.06   3.19   1. ... Ka7 2. Rxd4 Bxd4 3. Bc4 Bg7
>                5     0.07     --   1. ... Ka7
>                5     0.07   3.74   1. ... Ka7 2. Rxd4 Bxd4 3. Bc4 Kb6
>                                    4. Ne5
>                5     0.16   3.46   1. ... Rd8 2. Rc5 Ka7 3. Rc8 Rd1
>                5->   0.18   3.46   1. ... Rd8 2. Rc5 Ka7 3. Rc8 Rd1
>                6     0.27     --   1. ... Rd8
>                6     0.34   3.99   1. ... Rd8 2. Nh6 Rf8 3. Ke7 Nxf5+
>                                    4. Kxf8 Nxh6
>                6     0.38   3.57   1. ... Ka7 2. Rxd4 Bxd4 3. Bc4 Kb6
>                                    4. Ne5 Kc5
>                6->   0.46   3.57   1. ... Ka7 2. Rxd4 Bxd4 3. Bc4 Kb6
>                                    4. Ne5 Kc5
>                7     0.52   3.95   1. ... Ka7 2. Rxd4 Bxd4 3. Bc4 Kb6
>                                    4. Ne5 Bxe5 5. Kxe5 Kc5
>                7     1.12   3.80   1. ... Rd1 2. Ne5 Re1 3. Rxc3 bxc3
>                                    4. g7 Rxe5+ 5. Kxe5 Nf3+ 6. Ke6
>                7->   1.31   3.80   1. ... Rd1 2. Ne5 Re1 3. Rxc3 bxc3
>                                    4. g7 Rxe5+ 5. Kxe5 Nf3+ 6. Ke6
>                8     3.17   3.52   1. ... Rd1 2. Ne5 Re1 3. Rc5 Ka7 4.
>                                    Bc4 Nf3 5. Rc7+ Kb6
>                8->   3.71   3.52   1. ... Rd1 2. Ne5 Re1 3. Rc5 Ka7 4.
>                                    Bc4 Nf3 5. Rc7+ Kb6
>                9     4.37     --   1. ... Rd1
>                9     7.09   3.72   1. ... Rd1 2. Ne5 Re1 3. Rxc3 bxc3
>                                    4. g7 Ka7 5. Bd3 Rxe5+ 6. Kxe5 Nf3+
>                                    7. Ke6
>                9->   8.54   3.72   1. ... Rd1 2. Ne5 Re1 3. Rxc3 bxc3
>                                    4. g7 Ka7 5. Bd3 Rxe5+ 6. Kxe5 Nf3+
>                                    7. Ke6
>               10    10.27     --   1. ... Rd1
>               10    14.00   4.43   1. ... Rd1 2. Ne5 Re1 3. Rxc3 bxc3
>                                    4. g7 Rg1 5. Ng6 Re1+ 6. Kd5 c2 7.
>                                    g8=Q+ Ka7 8. Qf7+ Kxa6
>               10->  22.38   4.43   1. ... Rd1 2. Ne5 Re1 3. Rxc3 bxc3
>                                    4. g7 Rg1 5. Ng6 Re1+ 6. Kd5 c2 7.
>                                    g8=Q+ Ka7 8. Qf7+ Kxa6
>               11    32.52   4.25   1. ... Rd1 2. Ne5 Re1 3. Rxc3 bxc3
>                                    4. g7 Rg1 5. Ng6 Re1+ 6. Kf7 c2 7.
>                                    g8=Q+ Ka7 8. Bd3 c1=Q 9. Nxh4
>               11    51.68     ++   1. ... Nxf5!!
>               11     1:06   1.45   1. ... Nxf5 2. Kxf5 Rd5+ 3. Ke6 Rg5
>                                    4. Kf7 Rf5+ 5. Kg8 Rg5 6. Kh7 Rh5+
>                                    7. Nh6 Bd2 8. Rg4 Rxh6+
>               11->   1:06   1.45   1. ... Nxf5 2. Kxf5 Rd5+ 3. Ke6 Rg5
>                                    4. Kf7 Rf5+ 5. Kg8 Rg5 6. Kh7 Rh5+
>                                    7. Nh6 Bd2 8. Rg4 Rxh6+
>               12     1:35   1.43   1. ... Nxf5 2. Kxf5 Rd5+ 3. Ke6 Rg5
>                                    4. Kf7 Rf5+ 5. Kg8 Rg5 6. Rc8+ Ka7
>                                    7. Rc6 Rxg4 8. Bc8 Rf4 9. Kh7
>               12->   1:42   1.43   1. ... Nxf5 2. Kxf5 Rd5+ 3. Ke6 Rg5
>                                    4. Kf7 Rf5+ 5. Kg8 Rg5 6. Rc8+ Ka7
>                                    7. Rc6 Rxg4 8. Bc8 Rf4 9. Kh7
>               13     2:41   1.35   1. ... Nxf5 2. Kxf5 Rd5+ 3. Ke6 Rg5
>                                    4. Kf7 Rf5+ 5. Kg8 Rg5 6. Kh7 Rh5+
>                                    7. Nh6 Bd2 8. Kg8 Ka7 9. Kf7 Kxa6
>               13->   2:58   1.35   1. ... Nxf5 2. Kxf5 Rd5+ 3. Ke6 Rg5
>                                    4. Kf7 Rf5+ 5. Kg8 Rg5 6. Kh7 Rh5+
>                                    7. Nh6 Bd2 8. Kg8 Ka7 9. Kf7 Kxa6
>Black(0): exit
>Black(1): nopost
>Black(1): new



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