Author: Thomas Logan
Date: 17:50:11 11/20/05
Go up one level in this thread
On November 20, 2005 at 19:47:12, A. Steen wrote: >On November 20, 2005 at 18:09:28, Thomas Logan wrote: > >>On November 20, 2005 at 17:55:28, Drexel,Michael wrote: >> >>>On November 20, 2005 at 15:41:30, A. Steen wrote: >>> >>>>On November 20, 2005 at 13:39:30, Uri Blass wrote: >>>> >>>>>On November 20, 2005 at 13:12:09, Jouni Uski wrote: >>>>> >>>>>>[Event "II Man vs Machine, Bilbao"] >>>>>>[Site "?"] >>>>>>[Date "2005.11.20"] >>>>>>[Round "?"] >>>>>>[White "Hydra"] >>>>>>[Black "Kasimyanov"] >>>>>>[Result "*"] >>>>>>[Annotator "Hob"] >>>>>>[PlyCount "59"] >>>>>>[EventDate "2005.??.??"] >>>>>> >>>>>>1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3 Na6 8. O-O >>>>>>c6 9. d5 Ng4 10. Bg5 f6 11. Bh4 c5 12. Ne1 Nh6 13. a3 Bd7 14. Nd3 g5 15. Bg3 >>>>>>Qe7 16. f3 f5 17. Bf2 f4 18. b4 b6 19. h3 Nf7 20. Rb1 h5 21. Rb2 Nh6 22. Be1 >>>>>>Bf6 23. Nf2 Kh8 24. Qd3 Rg8 25. Nb5 Rg6 26. Bd1 Rag8 27. Nxa7 g4 28. fxg4 Bh4 >>>>>>29. Nc6 Qg7 30. Bc3 * >>>>>> >>>>>> >>>>>>99,999% sure 1-0? >>>>>> >>>>>>JOuni >>>>> >>>>>I do not understand 26...Rag8 >>>>>Even I could easily avoid that move against a computer because it is easy to see >>>>>that it gives a pawn. >>>>> >>>>>[Event "II Man vs Machine, Bilbao"] >>>>>[Site "?"] >>>>>[Date "2005.11.20"] >>>>>[Round "?"] >>>>>[White "Hydra"] >>>>>[Black "Kasimyanov"] >>>>>[Result "*"] >>>>>[Annotator "Hob"] >>>>>[PlyCount "59"] >>>>>[EventDate "2005.??.??"] >>>>> >>>>>1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3 Na6 8. O-O >>>>>c6 9. d5 Ng4 10. Bg5 f6 11. Bh4 c5 12. Ne1 Nh6 13. a3 Bd7 14. Nd3 g5 15. Bg3 >>>>>Qe7 16. f3 f5 17. Bf2 f4 18. b4 b6 19. h3 Nf7 20. Rb1 h5 21. Rb2 Nh6 22. Be1 >>>>>Bf6 23. Nf2 Kh8 24. Qd3 Rg8 25. Nb5 Rg6 26. Bd1 Rag8 27. Nxa7 g4 28. fxg4 Bh4 >>>>>29. Nc6 Qg7 30. Bc3 hxg4 31.Nxg4 Nxg4 32.Bxg4 Bxg4 33.Rxf4 Bh5 34.Qf1 Bg3 >>>>>35.Rf7 Qh6 36.Bd2* >>>>> >>>>> >>>>>Uri >>>> >>>> >>>>[D]r6k/p2bq3/np1p1brn/1NpPp1pp/1PP1Pp2/P2Q1P1P/1R3NP1/3BBRK1 b - - 0 26 >>>> >>>>Uri, with great respect, in this position 26 .. Ra-g8 is a fine move and made at >>>>the perfect time (in my opinion). White's pieces (especially the N on b5) are >>>>not well-placed for a defence on the K-side, and white has not yet begun a pawn >>>>push on the Q-side. To delay is not wise, white may regroup and bring his >>>>misplaced N back. >>> >>> >>>Nonsense, to delay would have been _very_ wise. >>>Black has nothing to fear on the Qeenside and should strive for a quiet >>>manouvering game, not for an all-out suicidal attack against the Supercomputer. >>> >>>Michael >> >>If there is an exchange of minor pieces on g4 the pawn on a7 is protected and >>rook on a8 is free to move without pawn sac > >Tom, there are two small errors in your understanding. Not that 26 .. g4 is an >error, just that 26 .. Ra-g8 is superior. > >1. The pawn sac is irrelevant. There is either a mating attack or a perpetual on >the K-side, what matters the QRP? The benefit of the so-called "sac" is to >divert the WN to a7 where it is out of play, and gain a tempo while so doing >(more tempi if the WN is attempted to be extricated). > >2. Black has a potentially dangerous weakness on d6 which is attacked by the WN >when it is on b5. In some of the variations arising from a premature .. g4 >attack, this counter-attack with the WN on d6 would turn the tide against black. > The WN on a7 is safely out of play. :) > >26. .. Ra-g8 is more clean-cut than 26 .. g4. A draw, or if white deviates, a >win for black. > >Oops. Black lost. But that is from a beginner's blunder on move 34. The correct >move there made the draw certain even in the eyes of the computers. > >A study of- > >http://www.talkchess.com/forums/1/message.html?463219 > >will show how mistaken various people's dismissals of the soundness of black's >tactics are (up to the move 34 blunder, that is). It is white who is made to >walk the tightrope, not black. It is white who has to sue for a draw, not >black. > >Kasimdzhanov is an extremely brilliant super-GM. If you don't trust me, just >trust him (except where he makes an obvious blunder at 34., that is. and falls >off even though he is not on a tightrope...) > >>Tom > >Personally - and I am not referring to you here, Tom - I find it very amusing >how obvious patzers (to whom I could probably give Q-odds OTB and win every >game) have the boldness to dismiss the analysis of superior players as >"nonsense" and also insultingly belittle a brilliancy (26. .. Ra-g8) by one of >the world's greatest chess players, Four years ago, Kasimdzhanov topped 2700 in >the past, ranking #11 in the world. > >Best, > >A.S. OK thanks If Hydra did not bite on a7 transposition is likely - no ? btw I agree move 34 was a blunder I saw that as soon as it was made Tom
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