Author: Harald Faber
Date: 01:39:34 01/17/03
Go up one level in this thread
On January 17, 2003 at 03:51:55, Dann Corbit wrote: >On January 17, 2003 at 03:23:20, Harald Faber wrote: > >>On January 17, 2003 at 03:21:03, Dann Corbit wrote: >> >>>On January 17, 2003 at 03:16:06, Harald Faber wrote: >>> >>>>On January 17, 2003 at 02:33:37, Dann Corbit wrote: >>>> >>>>>> r1r2b1k/1bq2p1p/p1npp1p1/2nB2P1/4P1NQ/2p1B2R/PPP2P1P/2KR4 b - - >>>>>> Depth Time Score Best line >>>>>> 13/38 11:59 3.37 ... h5 Nf6 Bg7 bxc3 Qa5 Qxh5+ gxh5 Rxh5+ Bh6 Rxh6+ >>>>>> Kg7 Rh7+ Kf8 g6 Ne5 Bxc5 dxc5 g7+ Ke7 Bxb7 Qa3+ Kb1 >>>>>> Kxf6 Bxa8 Rxa8 >>>>>> 13... 14:52 5/37 f5 >>>>> >>>>>cxb2 is definitely fool's gold. But it looks like h5 wins (also according to >>>>>Chessmaster 9000): >>>>> >>>>>Time Depth Score Positions Moves >>>>>9:26 2/11 -3.69 68760452 1...h5 2.Nf6 Bg7 3.bxc3 exd5 4.Qxh5+ >>>>> gxh5 5.Rxh5+ Bh6 6.Rxh6+ Kg7 7.Rh7+ >>>>> Kf8 8.Rh8+ Ke7 9.Nxd5+ Kd7 10.Nxc7 >>>>> Kxc7 11.Rh7 >>>> >>>> >>>>What about 1...h5 2.Nf6 Bg7 3.Qg4!? >>>>E.g.: 3...Bxf6 4.Rxh5!! Kg8 (4...Kg7 is #7; 4...gxh5 5.Qxh5 also #7) 5.gxf6 >>>>cxb2+ 6.Kb1 +-. It is hardly possible to find a defense against 6.Rh8+ Kxh8 >>>>7.Qh4+ and soon mate. 5...Qb6 does not save: 6.b3 and still the threat on h8/g7 >>>>decides. >>>>The only way seems to be 3...Qb6, e.g. 4.bxc3 Bg7 5.Qxh5+ gxh5 6.Rxh5+ Bh6 >>>>7.Rxh6+ Kg7 8.Rh7+ Kf8 9.Bxc5 Qxc5 10.Nd7+ and now draw by 10...Kg8 11.Nf6+ or >>>>unjustified try to play for a win with 10...Ke7 11.Nxc5. But wait, 5.Qg4 in this >>>>variation also seems to be quiet strong with similar variations as above. >>>> >>>>So finally I do not see any defense for the plan Qg4 and Rxh5. Do you? >>> >>>ChessMaster 9000 still sees an advantage for black after Qg4 (see my follow-up >>>to the original CM listing). >> >> >>Yes, but CM does not have 4.Rxh5+!! in his PV. What is CMs opinion after you >>force this move on your board? > >Good question. It may also be that the pawn capture is awakened again. I think >this position is awfully complicated, and it will take a lot of effort to come >to sure conclusions. At the moment I am absolutely convinced that 1...h5 in your line is kind of blunder and loses the game. So 1...f5 and 1...cxb2+ have to be analyzed more detailed.
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.