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Subject: Re: Good Test Move

Author: Uri Blass

Date: 03:04:23 04/25/03

Go up one level in this thread


On April 25, 2003 at 04:37:08, Tim Foden wrote:

>On April 25, 2003 at 04:14:21, Uri Blass wrote:
>
>>On April 25, 2003 at 02:41:34, Anthony Cozzie wrote:
>>
>>>On April 24, 2003 at 17:14:23, Art Basham wrote:
>>>
>>>>Any programs find
>>>>1. Rxf7...?
>>>>
>>>>[D]r3k2r/1q1nbp1p/p2pp1p1/1p2P3/1P1NN3/P6Q/2P3PP/4RR1K w - - 0 1
>>>>
>>>>played by
>>>>Boleslavsky in 1948...
>>>
>>>Two minutes for Zappa.
>>>
>>>1. Rxf7 Qd5 2. Rxe7 Kxe7 3. Qh4 Kf8 4. Rf1 Kg7 5. Qe7 Kh6 6. Rf3 Nf6 7. Rh3 Nh5
>>>8. Rxh5 Kxh5 9. Nf6 Kh4 10. Nxd5 Kh5
>>> + (3.16)       Depth: 10       00:01:45.73     23395kN
>>
>>1 second for movei(1000 mhz,16 mbytes hash)
>>
>>New game
>>r3k2r/1q1nbp1p/p2pp1p1/1p2P3/1P1NN3/P6Q/2P3PP/4RR1K w - - 0 1
>>
>>Analysis by movei00_8047:
>>
>>1.exd6
>>  ±  (1.19)   Depth: 1   00:00:00
>>1.exd6 Bd8
>>  ±  (1.15)   Depth: 2   00:00:00
>>1.Qf3
>>  ±  (1.16)   Depth: 2   00:00:00
>>1.Qf3 Kd8 2.exd6
>>  ±  (1.17)   Depth: 2   00:00:00
>>1.Qf3 Kd8 2.exd6
>>  ±  (1.17)   Depth: 2   00:00:00
>>1.Qf3 Kd8 2.exd6
>>  ±  (1.17)   Depth: 3   00:00:00
>>1.Qf3 Kd8 2.exd6
>>  ±  (1.17)   Depth: 3   00:00:00
>>1.Qf3 Kd8 2.exd6 Bh4
>>  ±  (1.21)   Depth: 4   00:00:00
>>1.Qf3 Kd8 2.exd6 Bh4
>>  ±  (1.21)   Depth: 4   00:00:00
>>1.Qf3 Kd8 2.exd6 Bh4 3.Qxf7 Bxe1 4.Nxe6+ Kc8 5.Rxe1
>>  +-  (1.71)   Depth: 5   00:00:00
>>1.Qf3 Kd8 2.exd6 Bh4 3.Qxf7 Bxe1 4.Nxe6+ Kc8 5.Rxe1
>>  +-  (1.71)   Depth: 5   00:00:00
>>1.Qf3 Kd8 2.exd6 Bh4 3.Qxf7 Bxe1 4.Nxe6+ Kc8 5.Rxe1
>>  +-  (1.71)   Depth: 6   00:00:00  35kN
>>1.Qf3 Kd8 2.exd6 Bh4 3.Qxf7 Bxe1 4.Nxe6+ Kc8 5.Rxe1
>>  +-  (1.71)   Depth: 6   00:00:00  66kN
>>1.Qf3 Kd8 2.Qxf7 Nxe5 3.Nxd6 Qd5 4.Nxe6+ Kd7
>>  +-  (1.73)   Depth: 7   00:00:00  86kN
>>1.Rxf7
>>  +-  (1.74)   Depth: 7   00:00:01  318kN
>>1.Rxf7
>>  +-  (2.03)   Depth: 7   00:00:02  373kN
>>1.Rxf7 Qd5 2.Rxe7+ Kxe7 3.Qh4+ Kf8 4.Rf1+ Kg7 5.Qe7+ Kh6 6.Rf4 Nf6 7.exf6
>>  +-  (3.63)   Depth: 7   00:00:03  653kN
>>1.Rxf7 Qd5 2.Rxe7+ Kxe7 3.Qh4+ Kf8 4.Rf1+ Kg7 5.Qe7+ Kh6 6.Rf4 Nf6 7.exf6
>>  +-  (3.63)   Depth: 7   00:00:03  656kN
>>1.Rxf7 Qd5 2.Rxe7+ Kxe7 3.Qh4+ Ke8 4.Nxd6+ Kf8 5.Qf2+ Kg7 6.Qf7+ Kh6 7.Qxd7 Rhe8
>>8.Nf3
>>  +-  (4.40)   Depth: 8   00:00:08  1570kN
>>1.Rxf7 Qd5 2.Rxe7+ Kxe7 3.Qh4+ Ke8 4.Nxd6+ Kf8 5.Qf2+ Kg7 6.Qf7+ Kh6 7.Qxd7 Rhe8
>>8.Nf3
>>  +-  (4.40)   Depth: 8   00:00:09  1705kN
>>1.Rxf7 Qd5 2.Rxe7+ Kxe7 3.Qh4+ Ke8 4.Nxd6+ Kf8 5.Qf4+ Kg7 6.Qf7+ Kh6 7.N6f5+
>>gxf5 8.Nxf5+ exf5 9.Qxd5 Rhd8 10.Qf7
>>  +-  (5.09)   Depth: 9   00:00:21  4246kN
>>1.Rxf7 Qd5 2.Rxe7+ Kxe7 3.Qh4+ Ke8 4.Nxd6+ Kf8 5.Qf4+ Kg7 6.Qf7+ Kh6 7.N6f5+
>>gxf5 8.Nxf5+ exf5 9.Qxd5 Rhd8 10.Qf7
>>  +-  (5.09)   Depth: 9   00:00:22  4430kN
>>1.Rxf7 Qxe4 2.Rxe4 Nf8 3.Rg7 d5 4.Qf3 Kd7 5.Re1 Rc8
>>  +-  (8.26)   Depth: 10   00:05:00  57270kN
>>1.Rxf7 Qxe4 2.Rxe4 Nf8 3.Rg7 d5 4.Qf3 Kd7 5.Re1 Rc8
>>  +-  (8.26)   Depth: 10   00:05:01  57489kN
>>
>>(Blass, Tel-Aviv 25.04.2003)
>>
>>Uri
>
>Wow, good show Uri.  No doubt this is due to your good ideas in the search.
>Green Light is no where near this fast (40s, see other post).
>
>Cheers, Tim.

Thanks but this is only one position.
I expect Greenlight to be better in other positions and I am sure that there is
a lot to improve in the search.

Uri



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