Author: Terry McCracken
Date: 18:43:22 03/27/05
Go up one level in this thread
On March 27, 2005 at 21:19:56, Steve Maughan wrote: >Terry, > >Thanks for the variations > >>[D] r1b1r1k1/1pn1qnbp/3p1pp1/pPp5/2PNPPP1/P1N1B1R1/3QB2P/3R3K w - - 0 1 >> >>1.Nf5 gxf5 2.gxf5 Kh8 3.b6 Na6 4.Rdg1 Rg8 5.Nd5 Qxe4+ 6.Bf3 Qe8 7.Qg2 >>Qf8 8.Nxf6 Nh6 9.Nxg8 Nxf5 10.Rxg7 Nxg7 11.Bd2 Qxg8 12.Bc3 ++ > >[snip] > >>1.Nf5 gxf5 2.gxf5 Rd8 3.Rdg1 Ne8 4.Bh5 Kh8 5.Qg2 Qf8 6.Nd5 Rd7 7.Bd2 Ra7 >>8.Bc3 b6 9.Qb2 Bb7 10.Rxg7 Nxg7 11.Rxg7 Ne5 12.Rxd7 Nxd7++ > >OK my point is that you need to search 19 ply (i.e. see Rxg7 in the second >variation) before you see the payback. This is deep. Shredder 9 find Nf5 in >the 10 the ply so I conclude that Shredder played Nf5 for reasons other than >material gain - I call this a positional sacrifice - maybe you don't and that's >fine. We both made some points, I do consider it tactical, but for S9 to see this in 2 sec. probably means it made a Positional Sac, from its pov. > >I also let Glaurung and Fruit search on the original position and neither had >found Nf5 after 1 hour i.e. these two tactical monsters didn't see the move. > >>We could analize this to death, > >You can - and that's why Shredder's move after 2 secs is so impressive. I agree. > >Again - thanks for the variation, > >Regards, > >Steve Your Welcome, and sorry for the misunderstandings. Regards, Terry
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