Author: Jeremiah Penery
Date: 16:16:20 01/13/00
Go up one level in this thread
On January 13, 2000 at 17:56:54, Jeremiah Penery wrote: >On January 13, 2000 at 03:48:22, Amir Ban wrote: > >>On January 13, 2000 at 01:14:10, Jeremiah Penery wrote: >> >>>On January 12, 2000 at 16:39:22, Amir Ban wrote: >>> >>>>On January 12, 2000 at 04:44:34, Peter Kappler wrote: >>>> >>>>>On January 11, 2000 at 06:58:28, Robert Hyatt wrote: >>>>> >>>>>>I pointed out one in the first match, in the game DB won, where Kasparov had a >>>>>>mate in 1 for about 10 moves. A subtle rook move made the entire variation >>>>>>work, where the rook move preferred by the micros at the time would have >>>>>>resulted in deep trouble. I don't recall the game now, but I remember that >>>>>>DB was white (again, in match 1 which it lost) and its king was hemmed in on >>>>>>the kingside with Kasparov threatening mate. But he never got to play the >>>>>>mate... >>>>>> >>>>> >>>>>[Event "ACM Chess Challenge"] >>>>>[Site "Philadelphia Convention Center"] >>>>>[Date "96.02.10"] >>>>>[Round "1"] >>>>>[White "Deep Blue"] >>>>>[Black "Kasparov, Garry"] >>>>>[Opening "Alapin Sicilian"] >>>>>[Result "1-0"] >>>>> >>>>>1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. h3 Bh5 >>>>>8. O-O Nc6 9. Be3 cxd4 10. cxd4 Bb4 11. a3 Ba5 12. Nc3 Qd6 13. Nb5 Qe7 >>>>>14. Ne5 Bxe2 15. Qxe2 O-O 16. Rac1 Rac8 17. Bg5 Bb6 18. Bxf6 gxf6 >>>>>19. Nc4 Rfd8 20. Nxb6 axb6 21. Rfd1 f5 22. Qe3 Qf6 23. d5 Rxd5 24. Rxd5 >>>>>exd5 25. b3 Kh8 26. Qxb6 Rg8 27. Qc5 d4 28. Nd6 f4 29. Nxb7 Ne5 >>>>>30. Qd5 f3 31. g3 Nd3 32. Rc7 Re8 33. Nd6 Re1+ 34. Kh2 Nxf2 35. Nxf7+ >>>>>Kg7 36. Ng5+ Kh6 37. Rxh7+ 1-0 >>>>> >>>>> >>>>>The move Bob referred to is 32. Rc7, which was played by DB in this position. >>>>> >>>>>[D]6rk/1N3p1p/5q2/3Q4/3p4/PP1n1pPP/5P2/2R3K1 w - - >>>>> >>>>>6rk/1N3p1p/5q2/3Q4/3p4/PP1n1pPP/5P2/2R3K1 w - - >>>>> >>>>>If I recall correctly, all of the micros wanted to play 32. Rc6. >>>>> >>>>>--Peter >>>> >>>>Deep Junior wants to play Rc7 after 2:15 minutes. >>> >>>Can you give the line/eval it shows? I'm interested to see it. :) >>>Also, what kind of machine is it running on for this? >>> >>>Thanks. >>> >>>Jeremiah >>>> >>>>Amir >> >>Dual P-II/350 Mhz. >> >>Eval for Rc6 was about +1.2, for Rc7 about +1.5. >> >>Nothing really tactical going on here. Black can and should force queen trade in >>both variants: >> >>1. Rc6 Rg5 2. Qe4 (but not Qc4 ? or Rc8+ ?) Qf4 > >2. ...Qe5 is better for black here. > >After 3. Qxe5, black can give some problems with the d-pawn and attacking the >white king. 3. ...Rxe5 4. Rf6 Re1+ 5. Kh2 Kg7 6. Rf5 Nxf2 7. Rxf3 d3 8. Rxf2 Re2 9. Kg2 d2 10. Rxe2 d1=Q 11. Re3 Qd5+ 12. Kf2 Qxb7 I think black will win here, but it is more difficult than the other lines. >If 3. Qxf3, black also gets an attack on the white king. - 3. ...Nxf2 4. Qxf2 >Rxg3+ 5. Kf1 Rxh3. I'm sure black will at least be able to get a perpetual out >of this. I'm going to let it run for a while to check both of these lines - I >could be wrong. :) 6. Qf6+ Qxf6 7. Rxf6 Rxb3 8. <some move> Rxa3, and now black has all the chances, because white must capture all the black pawns just to get a drawn KRNKR ending. 6. Rc8 Kg7, and now if 7. Qg2+?!, 7. ...Rg3 8. Qf2 Rxb3. Now what? White goes down.
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