Author: Chessfun
Date: 16:27:15 05/19/01
Go up one level in this thread
On May 19, 2001 at 13:32:40, John Merlino wrote:
>On May 19, 2001 at 11:03:49, Dieter Buerssner wrote:
>
>>In the game Yace - Goldbar in Leiden, the following position was on the board:
>>
>>[D] 1r3rk1/p1q2pp1/3b3p/7Q/2b5/3NB2P/n1P2PP1/R3RBK1 w - -
>>
>>I think, this may be suitable as a test position. Yace here played Bxh6.
>>What do other programs think?
>>
>>Regards,
>>Dieter
>>
>>Yace on AMD K6-2 475, 30M hash:
>>
>> 4731871 32.256 0.33 9t 1.Qg4 f5 2.Qd4 Rf7 3.Be2 Bh2+ 4.Kf1 Bd6 5.Nc5
>> Bxc5 6.Qxc5 {10}
>> 10210373 1:09.6 0.34 9t+ 1.Bxh6 gxh6 2.Re4 Bxd3 3.cxd3 Bh2+ 4.Kh1 Qc4
>> 12640730 1:27.3 0.66 9t 1.Bxh6 gxh6 2.Re4 Be6 3.Qxh6 Qc3 4.Rxe6 Qxa1
>> 5.Qg5+ Qg7 6.Qxg7+ Kxg7H {HT} {-340}
>> 13611852 1:33.3 0.66 9. 1.Bxh6 gxh6 2.Re4 Be6 3.Qxh6 Qc3 4.Rxe6 Qxa1
>> 5.Qg5+ Qg7 6.Qxg7+ Kxg7 {HT} {-340}
>> 48138295 5:21.8 0.86 10t 1.Bxh6 gxh6 2.Re4 Bh2+ 3.Kh1 Rb6 4.Qg4+ Rg6
>> 5.Rxc4 Rxg4 6.Rxc7 Bxc7 {HT} {-420}
>> 52663477 5:50.6 0.86 10. 1.Bxh6 gxh6 2.Re4 Bh2+ 3.Kh1 Rb6 4.Qg4+ Rg6
>> 5.Rxc4 Rxg4 6.Rxc7 Bxc7 {HT} {-420}
>
>Chessmaster 8000 MIGHT find this at tournament time controls, depending on the
>hardware (it found it at 3:38 on my PIII-733). But it still doesn't feel to
>happy about the move:
>
>Time Depth Score Positions Moves
>0:00 2/5 -0.02 28074 1. Bd4 Rfd8 2. Qh4 Rb5 3. Qe4 Ra5
>0:01 2/5 0.01 39598 1. Bc5 Rfd8 2. Bxd6 Qxd6 3. Qa5
> Nb4 4. Nxb4 Rxb4 5. Bxc4 Rxc4 6.
> Qxa7
>0:02 2/6 0.14 141533 1. Bc5 Rfc8 2. Bd4 Rb5 3. Qg4 Rg5
> 4. Qe4
>0:07 3/7 -0.03 476326 1. Bc5 Rfd8 2. Bxd6 Rxd6 3. Qe5
> f6 4. Qe3 Rd7
>0:13 3/7 0.13 812755 1. Bd4 Rfd8 2. Ne5 Be6 3. c4 Bb4
> 4. Red1 Bc3
>0:29 3/8 0.13 1950348 1. Bd4 Rfd8 2. Ne5 Be6 3. c4 Bb4
> 4. Red1 Bc3
>2:04 4/9 0.01 8543908 1. Bd4 Rb5 2. Qg4 Rg5 3. Qe2 Rc8
> 4. Qd2 Ra5 5. g3 Bd5 6. Bg2 Bxg2
> 7. Kxg2
>3:38 4/9 0.31 15158506 1. Bxh6 Rb5 2. Qg4 f5 3. Qg6 Rb6
> 4. g3 f4 5. Nxf4 Bxf1 6. Qe6+ Rf7
> 7. Qxa2 gxh6 8. Kxf1 Bxf4 9. gxf4
> Qxf4
>6:16 4/10 0.12 27087830 1. Bxh6 Rb5 2. Qg4 f5 3. Qg6 Rb6
> 4. g3 Nc3 5. Be3 Bc5 6. Qh5 g6
>
>jm
On my TB at 945 mhz. The default CM results are slightly different
from yours; Slower to the first 4/9 but faster to the second.
Did you use the default hash?
Time Depth Score Positions Moves
2:19 4/9 0.01 12597425 1. Bd4 Rb5 2. Qg4 Rg5 3. Qe2 Rc8
4. Qd2 Ra5 5. g3 Bd5 6. Bg2 Bxg2
7. Kxg2
3:21 4/9 0.31 18497062 1. Bxh6 Rb5 2. Qg4 f5 3. Qg6 Rb6
4. g3 f4 5. Nxf4 Bxf1 6. Qe6+ Rf7
7. Qxa2 gxh6 8. Kxf1 Bxf4 9. gxf4
Qxf4
But using 16 mb hash it is much faster.
Time Depth Score Positions Moves
0:20 3/8 0.13 1954135 1. Bd4 Rfd8 2. Ne5 Be6 3. c4 Bb4
4. Red1 Bc3
1:11 3/8 0.28 6778420 1. Bxh6 Rb5 2. Qg4 f5 3. Qg6 Rb6
4. g3 f4 5. Re4 Bd5
1:40 4/9 0.31 9775903 1. Bxh6 Rb5 2. Qg4 f5 3. Qg6 Rb6
4. g3 f4 5. Nxf4 Bxf1 6. Qe6+ Rf7
7. Kxf1 gxh6 8. Qxa2 Bxf4 9. gxf4
Qxf4
Sarah.
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