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Subject: Re: Nxe4 Bug by Fritz ? - Here are 2 further questions!

Author: Harald Faber

Date: 22:03:19 12/10/03

Go up one level in this thread


On December 10, 2003 at 17:43:13, Eduard Nemeth wrote:

>English with translator:
>
>Here 2 further games, newer date than test for DF8 and X3D Fritz.  One of it is
>even a corr. game.  Even in the 5-Varation mode sees Fritz 8,0023 (X3D Fritz?)
>not that one could beat pawn also on e4.  The analysis of Shredder serves only
>for the comparison.  I have these games already longer stored, now bring I her
>only between in it still.  (I have however still more in stock if necessary?)
>
>
>[Event "XVIII Open Cappelle la Grande FRA"]
>[Site "?"]
>[Date "2002.??.??"]
>[Round "5"]
>[White "Tillet, L."]
>[Black "Jakubowski, K."]
>[Result "1/2-1/2"]
>[ECO "B22"]
>[WhiteElo "2180"]
>[BlackElo "2455"]
>[PlyCount "112"]
>[EventDate "2002.??.??"]
>
>1. e4 c5 2. c3 d6 3. d4 Nf6 4. dxc5 Nc6 5. Bc4 Nxe4 6. Bxf7+ Kxf7 7. Qh5+ Kg8
>8. Qd5+ e6 9. Qxe4 d5 10. Qe2 Bxc5 11. Nf3 Bd7 12. Bf4 Qf8 13. Bg3 Re8 14. Ne5
>Nxe5 15. Bxe5 a6 16. a4 b5 17. b3 h5 18. O-O h4 19. h3 Qf7 20. Nd2 Qh5 21. Rfe1
>Rf8 22. Nf3 Rh6 23. Bd4 Bd6 24. Ne5 Bxe5 25. Qxh5 Rxh5 26. Rxe5 Rxe5 27. Bxe5
>bxa4 28. bxa4 Rf5 29. Bc7 e5 30. Re1 d4 31. Rxe5 Rxe5 32. Bxe5 d3 33. Kf1 Bxa4
>34. Ke1 Bb5 35. Bc7 Kf7 36. Bd8 Ke6 37. c4 Bxc4 38. Kd2 Kd7 39. Bxh4 a5 40. Kc3
>a4 41. Bg5 a3 42. Bc1 a2 43. Bb2 Ke6 44. Kd2 g6 45. Ke3 Bb5 46. f4 Kd5 47. g4
>Kc4 48. Kd2 Bd7 49. Ba1 Bc6 50. h4 Bf3 51. f5 gxf5 52. gxf5 Bh5 53. f6 Bg6 54.
>Bb2 Bf7 55. Ba1 Bg6 56. Bb2 Kd5 1/2-1/2
>
>[D]r1bqkb1r/pp2pppp/2np1n2/2P5/2B1P3/2P5/PP3PPP/RNBQK1NR b KQkq - 0 1
>
>
>
>Analysis by Fritz 8.0023:
>
>1. ² (0.34): 5...dxc5 6.Dxd8+ Sxd8 7.Sd2 Ld7 8.e5 Sg4 9.Sgf3 b5 10.Ld5 Lc6
>2. ² (0.34): 5...Se5 6.Le2 Sc6 7.Sd2 d5 8.exd5 Dxd5 9.Sgf3 Dxc5 10.0-0
>3. ² (0.37): 5...e6 6.Lg5 dxc5 7.Dxd8+ Sxd8 8.e5 Sg4 9.Sf3 Sc6 10.Lb5 Ld7
>4. ² (0.41): 5...Dd7 6.De2 dxc5 7.e5 Sd5 8.Sf3 a6 9.0-0 b5 10.Ld3
>5. ² (0.50): 5...e5 6.Sf3 dxc5 7.Dxd8+ Sxd8 8.Sbd2 Ld6 9.0-0 Lg4 10.Td1 Lxf3
>6. ² (0.56): 5...Sa5 6.Lb5+ Sc6 7.e5 Sd7 8.e6 fxe6 9.Le3 Dc7 10.Df3 Sxc5
>7. ² (0.56): 5...g6 6.cxd6 Sxe4 7.Lxf7+ Kxf7 8.Dd5+ Kg7 9.Dxe4 Lf5 10.De3 h6
>11.Sd2 exd6
>8. ² (0.56): 5...Da5
>
>
>r1bqkb1r/pp2pppp/2np1n2/2P5/2B1P3/2P5/PP3PPP/RNBQK1NR b KQkq - 0 1
>
>Analysis by Shredder 7.04:
>
>1. = (0.00): 5...Sxe4 6.Sf3 dxc5 7.Sbd2 Sd6 8.0-0 Sxc4 9.Sxc4 Lg4 10.Le3 Dxd1
>11.Taxd1 Lxf3 12.gxf3
>2. = (0.16): 5...Se5 6.Le2 Sc6 7.Sf3 Sxe4 8.0-0 Sxc5 9.Lg5 Lg4
>3. ² (0.29): 5...e6 6.Sf3 Sxe4 7.cxd6 Lxd6 8.Dc2 Sf6 9.0-0 0-0 10.Td1
>4. ² (0.29): 5...dxc5 6.Dxd8+ Sxd8 7.Sd2 Le6 8.Lb5+ Ld7 9.Lxd7+ Sxd7 10.Sgf3 e6
>5. ² (0.40): 5...Dd7 6.Sf3 Sxe4 7.0-0 Sxc5
>6. ² (0.61): 5...Sa5 6.Lb5+ Sc6 7.f3 e5 8.Se2 dxc5 9.Lxc6+ bxc6 10.Dxd8+ Kxd8
>11.0-0
>7. ² (0.64): 5...g6 6.Sf3 Sxe4 7.Dd5 Le6 8.Dxe4 d5 9.Lxd5 Dxd5 10.Dxd5 Lxd5
>8. ² (0.64): 5...Tb8 6.Sf3 Sxe4 7.Dd5 Le6 8.Dxe4 d5 9.Lxd5 Dxd5 10.Dxd5 Lxd5


What about 5...Nxe4 6.Bxf7 again? Still a position which black should try to
reach? Personally, I doubt that...


>[Event "corr"]
>[Site "?"]
>[Date "1999.??.??"]
>[Round "?"]
>[White "Redmond, PC."]
>[Black "Bennett, Tony"]
>[Result "0-1"]
>[ECO "B00"]
>[PlyCount "40"]
>[EventDate "1999.??.??"]
>
>1. e4 Nc6 2. Bc4 Nf6 3. d4 Nxe4 4. Bxf7+ Kxf7 5. Qh5+ Kg8 6. Qd5+ e6 7. Qxe4
>Qf6 8. Nf3 d5 9. Qd3 Bd6 10. Bg5 Nb4 11. Qe2 Qg6 12. Na3 b6 13. O-O Ba6 14. Qd2
>Rf8 15. Ne5 Bxe5 16. dxe5 Bxf1 17. Rxf1 c5 18. c3 Nc6 19. f4 Qh5 20. Qe1 h6 0-1
>
>
>Redmond,P - Bennett,T
>
>[D]r1bqkb1r/pppppppp/2n2n2/8/2BPP3/8/PPP2PPP/RNBQK1NR b KQkq d3 0 1
>
>Analysis by Fritz 8.0023:
>
>1. = (0.03): 3...d5 4.exd5 Sxd5 5.Sf3 Lg4 6.0-0 Dd6 7.h3 Lh5 8.Te1 0-0-0 9.Dd3
>2. = (0.25): 3...d6 4.Sc3 e6 5.Sf3 d5 6.exd5 exd5 7.Lb5 a6 8.Lxc6+ bxc6 9.0-0
>Le7
>3. = (0.25): 3...e5 4.d5 Sb8 5.Sf3 Lc5 6.0-0 d6 7.Lg5 Lg4 8.Lb5+ Sbd7 9.Sbd2
>4. ² (0.44): 3...b5 4.Lxb5 Sxe4 5.d5 Sb8 6.Ld3 Sf6 7.c4 e6 8.dxe6
>5. ² (0.34): 3...e6 4.e5 Sd5 5.Sf3 d6 6.0-0 dxe5 7.Sxe5 Sxe5 8.dxe5 Lc5 9.Sd2
>6. ² (0.34): 3...h6 4.e5 d5 5.Le2 Se4 6.Sf3 Lg4 7.0-0 e6 8.Sbd2
>7. ² (0.44): 3...Sa5 4.Ld3 Sc6 5.e5 Sd5 6.Le4 Sb6 7.Se2 d5 8.Ld3
>8. ² (0.59): 3...a6
>
>Redmond,P - Bennett,T
>r1bqkb1r/pppppppp/2n2n2/8/2BPP3/8/PPP2PPP/RNBQK1NR b KQkq d3 0 1
>
>Analysis by Shredder 7.04:
>
>1. ³ (-0.47): 3...Sxe4 4.Lxf7+ Kxf7 5.Dh5+ Kg8 6.Dd5+ e6 7.Dxe4 d5 8.De3 Sb4
>9.Sa3 e5
>2. = (0.19): 3...e5 4.Sf3 exd4 5.0-0 Lc5 6.e5 Sg4 7.Lg5 Le7 8.Lxe7
>3. = (0.22): 3...d6 4.Sc3 Sxe4 5.Lxf7+ Kxf7 6.Sxe4 Lf5 7.Sg3 e6 8.Sxf5 exf5 9.d5
>Se5
>4. ² (0.40): 3...e6 4.e5 d5 5.Ld3 Sd7 6.Sf3 Le7 7.0-0 h5
>5. ² (0.45): 3...d5 4.exd5 Sxd5 5.Sf3 Lg4 6.0-0 e6 7.Lb5 Df6 8.Lxc6+ bxc6 9.Sbd2
>6. ² (0.51): 3...h6 4.e5 d5 5.Lb5 Se4 6.f3 Sg5 7.Se2 e6 8.Sbc3 Le7 9.0-0
>7. ² (0.67): 3...g6 4.e5 Sh5 5.Sc3 d6 6.exd6 Lg7 7.Sf3 0-0 8.dxc7 Dxc7
>8. ² (0.63): 3...Sa5 4.Ld3 Sc6 5.Sf3 d5 6.e5 Se4 7.Sbd2 Lf5 8.0-0 e6 9.Sxe4
>
>Eduard


Also in this second example Bxf7 as response to Nxe4 is possible. Therefore I
doubt again that this is the best line black can play. Some funny guys say "I'm
wondering about the wanderking" (Ich wundere mich über den Wanderkönig) in my
club to such unnecessary (!) king actions. :-)

BTW you got the same questions to your other recent post about a similar
position. You didn't answer. I wonder why.



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