Author: Miguel A. Ballicora
Date: 12:35:37 09/26/01
Go up one level in this thread
On September 26, 2001 at 14:49:21, Koundinya Veluri wrote: >On September 26, 2001 at 13:59:25, Miguel A. Ballicora wrote: > >>On September 26, 2001 at 13:26:18, Koundinya Veluri wrote: >> >>>On September 26, 2001 at 07:01:43, Jouni Uski wrote: >>> >>>>On September 25, 2001 at 22:56:30, Koundinya Veluri wrote: >>>> >>>>>Here's a good one I just found today in Franks's little test tournamet: >>>>> >>>>>Leila - King of Kings >>>>> >>>>>[D]6B1/1pp3p1/3p4/n1k2P2/2P3P1/4K3/8/8 b - - 0 40 >>>>> >>>>>I think black already lost here, but >>>>> >>>> >>>>No, after Nc6 result is 0,5-0,5. White cannot make any progres. >>>> >>>>Jouni >>> >>>Yes sorry, I didn't think about this too much. One thing though, Crafty doesn't >>>get this immediately like I said before. I just got confused with its different >>>scoring style (negative=positive for black). It takes most programs a long time >>>to avoid Nxc4. >>> >>>Koundinya >> >>Which one avoids it? what is the PV? >>I tested this with my program and I think that it does not avoids it for the >>right reason. Is not black winning? >> >> 2634164 9 16.4 +1.91 Na5xc4 Bg8xc4 Kc5xc4 g4-g5 >> Kc4-d5 Ke3-f4 g7-g6 f5xg6 >> Kd5-e6 Kf4-e4 c7-c6 Ke4-d4 >> b7-b5 g6-g7 >> >>4... g6! is the winning move, otherwise black loses. (5. g6! and 6.f6 is the >>threat). >> >>How is white supposed to play? >> >>Regards, >>Miguel > >Analysis with Yace tells me that after 4... g6 5. Kg4! wins for white. If black >captures 5... gxf5, the white pawn promotes. If it doesn't capture but tries >something like 5... b5, then 6. fxg6 Ke6 7. Kh5 wins for white. > >Koundinya Great move! I think that the original position is a great test then. It should be "am Nxc4" in the epd record. thanks! Miguel
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