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Subject: Re: A possible DB analysis move

Author: Robert Hyatt

Date: 18:15:42 07/23/02

Go up one level in this thread


On July 23, 2002 at 20:54:10, Nolan Denson wrote:

>When i first tried it .... Crafty Clone found it in about zero seconds .. reason
>the book was on .... I just create a huge opening book from the files on Dr
>Hyatts site ... that's over 948 megs.  That game is part of those pgn files ...
>I did turn the books off and got following results. It seems to have found the
>Nf6 move in about 1.53 minutes ..... but its still haven't notice a plus score
>wit about 15 minutes into the search ... I will let it go to 30 minutes.
>
>
>EPD Kit revision date: 1996.04.21
>max threads set to 2
>max threads set to 2
>SMP search split at ply >= 1
>maximum thread group size set to 2
>hash table memory = 96M bytes.
>pawn hash table memory = 48M bytes.
>EGTB cache memory = 32M bytes.
>pondering disabled.
>book learning enabled
>result learning enabled
>position learning enabled
>usage:  noise <n>
>6 piece tablebase files found
>29506kb of RAM used for TB indices and decompression tables
>usage:  book [option] [filename] [maxply] [minplay]
>playing a computer!
>pondering enabled.
>
>
>Matrix v99.99 (2 cpus)
>
>White(1): st 99999
>search time set to 99999.00.
>White(1): book off
>book file disabled.
>White(1): setboard r1b1r1k1/1q3ppp/ppn5/2bNp3/P4B2/5Q1P/BP3PP1/R2R2K1 w
>White(1): move
>              clearing hash tables
>              time surplus   0.00  time limit 1666:39 (1666:39)
>         nss  depth   time  score   variation (1)
>starting thread 1
>                5->   0.13  -0.48   1. Bg3 e4 2. Qh5 Bd4 3. Rd2
>                6     0.19  -0.57   1. Bg3 Bd4 2. Nc3 e4 3. Nxe4 Bxb2
>                6     0.44  -0.20   1. Be3 Bxe3 2. Qxe3 b5 3. Qg5 Re6 4.
>                                    axb5 axb5
>         (3)    6->   0.44  -0.20   1. Be3 Bxe3 2. Qxe3 b5 3. Qg5 Re6 4.
>                                    axb5 axb5
>         (2)    7     0.82  -0.27   1. Be3 Be6 2. Qg3 Bxd5 3. Bxd5 Bxe3
>                                    4. Qxe3 Qc7 5. Rac1
>                7->   1.10  -0.27   1. Be3 Be6 2. Qg3 Bxd5 3. Bxd5 Bxe3
>                                    4. Qxe3 Qc7 5. Rac1
>                8     1.96  -0.30   1. Be3 Bxe3 2. Qxe3 b5 3. Qg3 Re6 4.
>                                    Bb3 bxa4 5. Rxa4 Rd6
>                8->   3.50  -0.30   1. Be3 Bxe3 2. Qxe3 b5 3. Qg3 Re6 4.
>                                    Bb3 bxa4 5. Rxa4 Rd6
>                9     6.07  -0.31   1. Be3 Be6 2. Bxc5 bxc5 3. Rd2 Rad8
>                                    4. Re1 f6 5. Bc4 Nd4
>         (2)    9->  13.68  -0.31   1. Be3 Be6 2. Bxc5 bxc5 3. Rd2 Rad8
>                                    4. Re1 f6 5. Bc4 Nd4
>               10    20.68  -0.44   1. Be3 Be6 2. Rac1 Bxe3 3. Qxe3 Rac8
>                                    4. Qf3 b5 5. axb5 axb5 6. Bb3 Qd7
>               10     1:31  -0.43   1. Re1 Qd7 2. Be3 Rb8 3. Rac1 Nb4 4.
>                                    Bxc5 bxc5 5. Nxb4 Rxb4 6. Bd5 Rxb2
>                                    7. Rxc5
>               10     1:49  -0.29   1. Bh6 Re6 2. Be3 Bd4 3. Bc4 Bd7 4.
>                                    Rd2 Rc8 5. Rad1 Rd6
>               10     1:53   0.00   1. Nf6+ gxf6 2. Bh6 Bf8 3. Bxf8 Rxf8
>                                    4. Qxf6 e4 5. Qg5+ Kh8 6. Rd7 Qxd7
>                                    7. Qf6+ Kg8 8. Qg5+ Kh8
>         (4)   10->   2:02   0.00   1. Nf6+ gxf6 2. Bh6 Bf8 3. Bxf8 Rxf8
>                                    4. Qxf6 e4 5. Qg5+ Kh8 6. Rd7 Qxd7
>                                    7. Qf6+ Kg8 8. Qg5+ Kh8
>         (3)   11     2:09   0.00   1. Nf6+ gxf6 2. Bh6 Bf8 3. Bxf8 Rxf8
>                                    4. Qxf6 e4 5. Qg5+ Kh8 6. Rd7 Qxd7
>                                    7. Qf6+ Kg8 8. Qg5+ Kh8
>         (3)   11->   2:35   0.00   1. Nf6+ gxf6 2. Bh6 Bf8 3. Bxf8 Rxf8
>                                    4. Qxf6 e4 5. Qg5+ Kh8 6. Rd7 Qxd7
>                                    7. Qf6+ Kg8 8. Qg5+ Kh8
>         (2)   12     2:54   0.00   1. Nf6+ gxf6 2. Bh6 Bf8 3. Bxf8 Rxf8
>                                    4. Qxf6 e4 5. Qg5+ Kh8 6. Rd7 Qxd7
>                                    7. Qf6+ Kg8 8. Qg5+ Kh8
>         (4)   12->   4:48   0.00   1. Nf6+ gxf6 2. Bh6 Bf8 3. Bxf8 Rxf8
>                                    4. Qxf6 e4 5. Qg5+ Kh8 6. Rd7 Qxd7
>                                    7. Qf6+ Kg8 8. Qg5+ Kh8
>         (3)   13     5:28   0.00   1. Nf6+ gxf6 2. Bh6 Bf8 3. Bxf8 Rxf8
>                                    4. Qxf6 e4 5. Qg5+ Kh8 6. Rd7 Qxd7
>                                    7. Qf6+ Kg8 8. Qg5+ Kh8
>         (4)   13->  11:51   0.00   1. Nf6+ gxf6 2. Bh6 Bf8 3. Bxf8 Rxf8
>                                    4. Qxf6 e4 5. Qg5+ Kh8 6. Rd7 Qxd7
>                                    7. Qf6+ Kg8 8. Qg5+ Kh8
>               14    14:00   1/46*  1. Nf6+


Note that the old crafty found Nf6+ pretty quickly, but it never got beyond
0.00 in 8 hours on the P6/200.  I will try to find the old output, or at least
run it with an old version to see more...



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