Author: James Robertson
Date: 22:13:23 04/19/99
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On April 19, 1999 at 16:47:16, Jeremiah Penery wrote: >> [Event "?"] >> [Site "?"] >> [Date "1988.??.??"] >> [Round "?"] >> [White "Deep Thought"] >> [Black "Valvo"] >> [Result "0-1"] >> >> 1. e4 e5 2. f4 d5 3. exd5 c6 4. Nc3 exf4 5. Nf3 Bd6 6. d4 Ne7 7. dxc6 Nbxc6 >> 8. d5 Nb4 9. Bc4 O-O 10. a3 b5 11. Bb3 Na6 12. Nxb5 Qa5+ 13. Nc3 Nc5 14. >> Ba2 Ba6 15. b4 Qc7 16. bxc5 Rfe8 17. Ne2 Qxc5 18. c4 Nxd5 19. Qd4 Qxd4 20. >> Nxd4 Bc5 21. Kd2 Ne3 22. Kc3 Rac8 23. Bb2 Nxg2 24. Raf1 Rcd8 25. Rhg1 Re3+ >> 26. Kd2 f3 27. Rxf3 Rxf3 28. Rxg2 Rh3 29. Kc1 g6 30. a4 Bb7 31. Rf2 Ba8 32. >> Bb1 Rb8 33. Ba2 Rd3 34. Rf4 Rd2 35. Kxd2 Rxb2+ 36. Nc2 Rxa2 37. Nc3 Rb2 38. >> Rf6 Kg7 39. Rf1 f5 40. Nd5 Bxd5 41. cxd5 Rb3 42. h4 Kf6 43. Re1 Rh3 44. >> Re6+ Kf7 45. a5 Rxh4 46. Rc6 Bb4+ 47. Nxb4 Rxb4 48. Rc7+ Kf6 0-1 >> >> The analysis says that Deep Thought calculated 19 ply for its 16th move but >> was unable to find anything better than accepting the knight sacrifice. > >This was (I think) a correspondence game played on RGCC or some such. >Presumably, the move 16. bxc5 is bad - I'm wondering if any programs pick a >different move, and at what depth and time do they switch. >Here is the FEN: >r4rk1/p1q1nppp/b2b4/2nP4/1P3p2/P1N2N2/B1P3PP/R1BQK2R w KQ - > >Jeremiah I accidentally lost my program's analysis, but it stuck with bxc5 as long as I let it think. However, at each ply the score would go down. James
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