Author: Uri Blass
Date: 18:08:25 02/05/03
Go up one level in this thread
On February 05, 2003 at 21:01:52, Robert Hyatt wrote: >On February 05, 2003 at 19:31:34, Will Singleton wrote: > >>On February 05, 2003 at 19:03:27, Drexel,Michael wrote: >> >>>On February 05, 2003 at 18:40:37, Will Singleton wrote: >>> >>>>On February 05, 2003 at 18:29:14, Martin Giepmans wrote: >>>> >>>>>On February 05, 2003 at 18:05:27, Will Singleton wrote: >>>>> >>>>>>On February 05, 2003 at 18:00:11, Martin Giepmans wrote: >>>>>> >>>>>>> >>>>>>>Of course my engine thinks that it is winning big time after 16 g3 >>>>>>>(instead of Bxh7+). >>>>>>>Is there any engine out there that doesn't agree? >>>>>>> >>>>>>>Martin >>>>>> >>>>>>The position: >>>>>> >>>>>>[D]rnb1r1k1/pp3ppp/2p5/3p4/3P1Pnq/P1NBPK2/1PQBN1P1/R4R2 w - - 0 16 >>>>>> >>>>>>After analyzing with Ruffian, the following moves seem to be the best: >>>>>> >>>>>>16.g3 Nh2+ 17. Kf2 Ng4+ 18.Ke1 Qh3 19.Rg1 Nh2 20.Bxh7+ Kh8 21.Bd3 and white is >>>>>>much better. >>>>>> >>>>>>(btw, if 18.Kg2 Qh2+ Kf3 g6! =+) >>>>>> >>>>>>So, perhaps there's something wrong after 18.Ke1... >>>>>> >>>>>>Hmmm.. Ruffian doesn't see anything after 14 ply, still has the main line above >>>>>>at over 1 pawn for white. >>>>>> >>>>>>I can't see it. Anyone have a clue? >>>>>> >>>>>>Will >>>>> >>>>>My engine also doesn't see it (neither do I, but that's not amazing ;)) >>>>>16. g3 wins, period. >>>>>Or is there something hidden in the deep? >>>>>Or was kasparov a little bit afraid? >>>>>Or is Rolf right after all? >>>>> >>>>>Martin >>>> >>>>Actually, I think my analysis was wrong. After 16.g3, black plays Qh2 instead >>>>of Nh2+, and then it's far from clear. Black looks like it will at least >>>>equalize, and with white's king stuck in the center, black could win it. >>>> >>>>It appears GK can see far more than your average run-of-the-mill GM commentator. >>>> >>>>Will >>> >>>After 16...Qh2 white could play 17.Bxh7+ in case 17.f5 17...h5 or even 17...Nd7 >>>18.Kxg4 Qg2 is too dangerous for white. >>>White should be safe after 17.Bxh7+. >>> >>>Michael >> >>Yes, it looks like you're right. >> >>Will > > >When Kasparov chose Bxh7, he took a long time. Crafty was analyzing the >game live on ICC and turned in this 16 ply search result: > > 16-> 33:34 1.59 16. g3 Nh2+ 17. Kf2 Ng4+ 18. Ke1 Qh3 > 19. Rg1 Nd7 20. Kd1 Nf2+ 21. Kc1 Nb6 > 22. Re1 Nxd3+ 23. Qxd3 Bf5 24. Ng1 > Qg4 25. e4 Bxe4 26. Nxe4 dxe4 27. Rxe4 > Rxe4 28. Qxe4 Qxg3 It is possible that crafty did not see deep enough. In your line the king can go to a safe place but after 16.g3 Qh2 the king cannot go back. Uri
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