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Subject: Re: How long does it take to your engine to find this move?

Author: Anthony Cozzie

Date: 09:08:35 10/08/03

Go up one level in this thread


On October 08, 2003 at 10:56:07, Uri Blass wrote:

>On October 08, 2003 at 10:38:58, Uri Blass wrote:
>
>>On October 08, 2003 at 09:19:36, Anthony Cozzie wrote:
>>
>>>On October 07, 2003 at 19:18:34, Jaime Benito de Valle Ruiz wrote:
>>>
>>>>[d]3r1r2/pb3pkp/1pn2Np1/2p1PP2/8/b2BQ3/qP4PP/3R1R1K w - - 0 3
>>>>
>>>>1.Nh5+ is a winning move, but the really smashing one is 1.Nxh7!
>>>
>>>Really hard for Zappa :(
>>>
>>>1. Nh5 Kh8 2. Qh6 Rg8 3. fxg6 fxg6 4. Bxg6 Rxg6 5. Rxd8 Nxd8 6. Rf8 Qg8 7. Rxg8
>>>Kxg8 8. Nf6 Kf7 9. Qxh7 Rg7 10. Qh5 Ke6 11. Qe8 Re7
>>> = (1.38)	Depth: 9/31	00:00:26.37	15154267kN
>>>1. Nh5 Kh8 2. Qh6 Rg8 3. fxg6 fxg6 4. Bxg6 Rxg6 5. Rxd8 Nxd8 6. Rf8 Qg8 7. Rxg8
>>>Kxg8 8. Nf6 Kf7 9. Qxh7 Rg7 10. Qh5 Rg6 11. Qh7
>>> = (0.00)	Depth: 10/35	00:03:17.53	126554620kN
>>>1. Nxh7 Rxd3 2. Rxd3 Kxh7 3. fxg6 fxg6 4. Qh3 Kg8 5. Rxf8 Kxf8 6. Qh6 Ke7 7. Qg7
>>>Ke8 8. Qd7 Kf8 9. Rf3 Kg8 10. Qe8 Kh7 11. Rf7 Kh6 12. Rxb7
>>> = (0.96)	Depth: 11/39	00:20:43.94	681943587kN
>>> + (1.26)	Depth: 12/34	00:21:25.29	703923544kN
>>>1. Nxh7 Bc8 2. Nxf8 Bxf5 3. Bxf5 Rxd1 4. Rxd1 Qxb2 5. Nd7 Nd4 6. Bb1 Kg8
>>> = (3.03)	Depth: 12/42	00:29:44.32	995663654kN
>>>
>>>I'm pretty amazed that anyone can find this in under a minute.  Realizing that
>>>Nh5 is a draw is a 20 ply combination or so.
>>>
>>>anthony
>>
>>Nh5 is not a draw
>>The fact that your engine shows a draw score does not mean that it is a draw
>>
>>Here is the beginning of chessmaster line from another post:
>>
>>Zappa did not see 3.Nf6,4.Rf3,5.Rdf1
>>
>>1.Nh5+ Kh8 2.Qh6 Rg8 3.Nf6 Rg7 4.Rf3 Qb3 5.Rdf1 Nxe5 6.Rh3
>>
>>
>>Uri
>
>5.Rd2 is even better than 5.Rdf1 and Yace can see a winning score of +7.01/11
>for 5.Rd2
>
>When I go back it suggests 4...Nxe5 +6.53/11 for white and I can teach it that
>score even in the root position.
>
>Uri

oops.



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