Author: John Merlino
Date: 20:06:00 07/06/00
Go up one level in this thread
On July 06, 2000 at 20:34:43, Victor Valenzia wrote:
>This game between Fritz 6a and Chessmaster 5000 was fairly even until 29. Rf6?
>Fritz then played 29. Ne4, setting up a knight exchange, leading to a
>devastating passed pawn on the e-file for Fritz. I don't own CM6000 or CM7000,
>so I would be curious to know if these programs would have avoided 29. Rf6?
>
>[D]2kqr3/pp6/2pn2pp/3p4/3P4/PP3RN1/2P2QPP/6K1 w - - 0 1
>
>[Event "Level=120'/40+60'/20+30'. "]
>[Site "Las Vegas"]
>[Date "2000.07.05"]
>[Round "?"]
>[White "Chessmaster 5000"]
>[Black "Fritz 6"]
>[Result "0-1"]
>[ECO "C01"]
>[PlyCount "96"]
>[EventDate "2000.07.05"]
>
>{128MB, General.ctg. PIII 500
>} 1. e4 {0} 1... e6 {0} 2. d4 {6} 2... d5 {0} 3.
>Nc3 {4} 3... Bb4 {0} 4. exd5 {7} 4... exd5 {0} 5. Bd3 {7} 5... Nc6 {0} 6. Nge2
>{5} 6... Nge7 {0} 7. O-O {254} 7... Bf5 {0} 8. Bg5 {282} 8... Qd7 {0.22/13 212}
>9. a3 {82} 9... Bxc3 {0.00/14 353} 10. Nxc3 {4} 10... Bxd3 {0.00/13 135} 11.
>Qxd3 {181} 11... O-O-O {0.19/14 187} 12. Bxe7 {283} 12... Nxe7 {0.00/13 41} 13.
>Rae1 {220} 13... Ng6 {0.00/14 165} 14. Re3 {209} 14... Rhe8 {0.09/15 357} 15.
>Rg3 {262} 15... h6 {0.00/14 190} 16. f4 {253} 16... Nh4 {-0.16/15 0} 17. f5 {
>419} 17... g6 {-0.22/15 0} 18. fxg6 {219} 18... fxg6 {-0.22/14 55} 19. Qd2 {186
>} 19... Rf8 {-0.22/14 697} 20. Re1 {9} 20... Rf7 {-0.22/13 276} 21. b3 {247}
>21... Re7 {-0.28/13 177} 22. Re2 {377} 22... Rxe2 {-0.41/14 431} 23. Qxe2 {274}
>23... Rf8 {-0.44/13 170} 24. Re3 {27} 24... Nf5 {-0.38/15 368} 25. Qf2 {10}
>25... c6 {-0.34/14 409} 26. Ne2 {181} 26... Qd8 {-0.31/14 0} 27. Rf3 {174}
>27... Re8 {-0.13/14 21} 28. Ng3 {199} 28... Nd6 {-0.16/14 0} 29. Rf6 {159}
>29... Ne4 {-0.97/16 281} 30. Nxe4 {123} 30... dxe4 {-0.97/16 0} 31. Rxg6 {242}
>31... e3 {-0.59/14 41} 32. Qe2 {435} 32... Qxd4 {-1.72/14 153} 33. h3 {64}
>33... Kc7 {-1.47/14 341} 34. Kh2 {750} 34... Re7 {-2.44/15 0} 35. b4 {193}
>35... a6 {-3.81/14 10} 36. Qe1 {109} 36... e2 {-4.63/12 57} 37. a4 {380} 37...
>Qe5+ {-9.13/13 47} 38. g3 {54} 38... Rf7 {-13.31/13 26} 39. b5 {40} 39... Qe3 {
>-17.94/13 32} 40. Rg7 {272} 40... Rxg7 {-#25/13 126} 41. b6+ {146} 41... Kd7 {
>-#15/11 4} 42. Kg2 {113} 42... Rf7 {-#10/10 0} 43. h4 {9} 43... Qf3+ {-#7/8 0}
>44. Kh2 {8} 44... Qf2+ {-#6/7 0} 45. Kh3 {5} 45... Qxe1 {-#4/5 0} 46. Kg4 {7}
>46... Qf2 {-#3/3 0} 47. Kh3 {6} 47... Qf1+ {-#2/1 0} 48. Kg4 {7} 48... Qf5# {
>-#1/1 0} 0-1
Chessmaster 7000 still likes 29.Rf6 after 11:36 on a P3-600, and the eval is
0.18 for White. The PV is:
29.Rf6 Ne4 30.Nxe4 dxe4 31.Rxg6 e3 32.Qe2 Qxd4 33.Rxh6 {the first difference
from the text} 33...Qg7 34.Rd6 Qa1+ 35.Rd1 Qxa3
jm
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