Author: Amir Ban
Date: 00:48:22 01/13/00
Go up one level in this thread
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 1. Rc7 Qe5 (better than Nf4) The endgame after the queen trade is slightly better for white in the 2nd case. Amir
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