Author: Jeremiah Penery
Date: 09:37:54 01/13/00
Go up one level in this thread
On January 13, 2000 at 07:49:19, Vincent Diepeveen wrote: >On January 13, 2000 at 02:19:29, Jeremiah Penery wrote: > >>On January 12, 2000 at 16:15:27, Bruce Moreland wrote: >> >>>On January 12, 2000 at 13:43:10, Bruce Moreland wrote: >>> >>>>On January 12, 2000 at 10:02:08, Vincent Diepeveen wrote: >>>> >>>>>Let's zoom into position #8 not found by Deep Thought >>>>> >>>>[D]r3rbk1/ppq2ppp/2b1pB2/8/6Q1/1P1B3P/P1P2PP1/R2R2K1 w - - bm Bxh7; 8 >>>>> >>>>>This position is of course in nolot as PC programs don't extend such >>>>>lines too deeply. Just like the other nolots it only has to do with >>>>>king safety and a lot of forced moves around the king. >>>>> >>>>>[c] ==> check extension >>>>>[s] ==> singular best move extension >>>>>[f] ==> forced move (a forced move is singular too) extension >>>>> >>>>>the TACTICAL line needed to find Bxh7: >>>>> >>>>>Bxh7+ Kxh7[c] >>>>>Qh5+ Kg8[c] >>>>>Rd4[s] gf6[f] >>>> >>>>Hsu points out that gxf6 is bad, and suggests that Bf3! holds. >>>> >>>>bruce >>>> >>>>>Rg4+[s] Bg7[c] >>>>>Qh6[s] Kf8[f] >>>>>Rxg7 Rec8 >>>>>Qxf6 Be4[f] (otherwise rh7-h8 mate) >>>>>Rae1[s] Bf5[f] >>>>>g4[s] Bxc2[f] >>>>>Rxe6[f] Bd3 >>>>>Rg6[c] Qc1+ >>>>>Kh2[c] Qc7+ >>>>>f4[c] Qc2+ >>>>>Kg3[c] <any legal move> >>>>>Qh8 mates in quiescencesearch. >>> >>>Mine finds this now. The line in ply 15 after 2.5 hours is: >>> >>>+0.75 Bxh7+ Kxh7 Qh5+ Kg8 Rd4 Bf3 gxf3 Qxc2 >> >>Instead of Qxc2 here, I think black may still be able to save it with Qc5. I'm >>interested to know what Ferret thinks of this. > >Not hard to tell. it's a full pawn up then, what do you think it will say then? Being a pawn up doesn't necessarily give you a win. Especially since white has an isolated h-pawn and his f-pawns are doubled. I think black has good drawing chances.
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.