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Subject: Re: Fascinating Computer Game : bringer - tal , Help Needed

Author: pete

Date: 04:07:53 08/08/99

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On August 07, 1999 at 07:57:41, Paulo Soares wrote:

>On August 06, 1999 at 16:31:57, John Merlino wrote:
>
>>Chessmaster never puts Black up more than 2.86, which I feel is more accurate.
>>Black's MAIN error was 33...g4+. Should have been 33...Qf2. The text allows the
>>eventual 36.Ng3, which temporarily traps the queen, forcing Black to keep giving
>>check and losing material until the queen can escape.
>>
>>jm
>>
>>
>>On August 06, 1999 at 14:52:39, pete wrote:
>>
>>>A very interesting game I had the pleasure to watch . Tal judges +7.00 after 16.
>>>... Bxh3 ; for a lot of moves it is way up to +9.00 ; my impression watching was
>>>black should have won this one , but where was the decisive mistake  ?? thanks
>>>for your help !
>>>
>>>
>>>[Event "Bringer 1.5 beta ( PII300/128 MB RAM  ) - Tal 2.03 ( P233MMX/32MB RAM  )
>>>40minutes / 40 moves, Evaluation/Comments by Bringer "]
>>>[Site "Berlin/Germany"]
>>>[Date "1999.08.06"]
>>>[Round "1"]
>>>[White "Der Bringer"]
>>>[Black "CSTAL 2.03"]
>>>[Result "Draw"]
>>>
>>>1. d4 { 0.00} d5 2. c4 { 0.00} e6 3. Nc3 { 0.00} Nf6
>>>4. Nf3 { 0.00} Be7 5. Bg5 { 0.00} O-O 6. e3 { 0.00}
>>>Nbd7 7. Qc2 { 0.00} c6 8. cxd5 { 0.27} exd5 9. Bd3 { 0.00}
>>>Re8 10. O-O { 0.00} Nf8 11. h3 { 0.00} g6 12. Bxf6 { 0.00}
>>>Bxf6 13. b4 { 0.00} Ne6 14. Rfd1 { 0.00} Bg7 15. a4 {-0.06}
>>>Ng5 16. Nd2 {-0.05} Bxh3 17. gxh3 {-0.44} Nxh3+ 18. Kg2 {-1.33}
>>>Nxf2 19. Re1 {-1.59} Ng4 20. Nf1 {-1.62} Qg5 21. Kf3 {-1.60}
>>>h5 22. Qg2 {-2.02} a5 23. bxa5 {-1.96} Qf6+ 24. Kg3 {-2.02}
>>>Qe7 25. a6 {-0.75} bxa6 26. Qd2 {-0.79} Bh6 27. Qg2 {-1.53}
>>>Rab8 28. Nd1 {-1.21} a5 29. Qc2 {-0.82} Qg5 30. Kh3 {-0.81}
>>>Ne5 31. Be2 {-1.33} Qg1 32. Nc3 {-1.79} g5 33. dxe5 {-1.79}
>>>g4+ 34. Bxg4 {-0.93} hxg4+ 35. Kh4 {-1.32} Rxe5 36. Ng3 {-0.67}
>>>Bg5+ 37. Kxg4 {-0.66} Rb4+ 38. e4 {-0.66} Qc5 39. Ra2 {-0.66}
>>>dxe4 40. Rxe4 { 0.25} f5+ 41. Nxf5 { 0.28} Bf6 42. Rf4 { 0.52}
>>>Kf8 43. Ne2 { 1.12} Qd5 44. Nfg3 { 0.00} Re3 45. Qg6 { 0.00}
>>>Qf3+ 46. Kf5 { 0.00} Qd5+ 47. Kg4 { 0.00} Qf3+ 48. Kf5 { 0.00}
>>>Qd5+ 49. Kg4 { 0.00} 1/2-1/2
>
>I think the decisive and last mistake make for blacks was move 39...dxe4.
>I believe that 39...Rc4 can win. Below some analyses with Hiarcs7.32.
>
>[Event "?"]
>[Site "?"]
>[Date "????.??.??"]
>[Round "?"]
>[White "Der Bringer"]
>[Black "CSTALL 2.03"]
>[Result "*"]
>[ECO "D36"]
>[Annotator "Soares,P"]
>[PlyCount "97"]
>
>1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Qc2 c6 8. cxd5
>exd5 9. Bd3 Re8 10. O-O Nf8 11. h3 g6 12. Bxf6 Bxf6 13. b4 Ne6 14. Rfd1 Bg7 15.
>a4 Ng5 16. Nd2 Bxh3 17. gxh3 Nxh3+ 18. Kg2 Nxf2 19. Re1 Ng4 20. Nf1 Qg5 21. Kf3
>h5 22. Qg2 a5 23. bxa5 Qf6+ 24. Kg3 Qe7 25. a6 bxa6 26. Qd2 Bh6 27. Qg2 Rab8
>28. Nd1 a5 29. Qc2 Qg5 30. Kh3 Ne5 31. Be2 Qg1 32. Nc3 g5 33. dxe5 g4+
>34. Bxg4 hxg4+ 35. Kh4 Rxe5 36. Ng3 Bg5+ 37. Kxg4 Rb4+ 38. e4 Qc5 39. Ra2 dxe4
>(39... Rc4 40. Qb3 Bd8 41. Nd1 Rg5+ 42. Kh3 Bc7 43. Re3 Rb4 44. Qa3 (44. Qc3 Qd6
>45. Nf5 (45. exd5 Rh4+ 46. Kg2 Qxd5+ 47. Kf1 Qxd1+ 48. Re1 Rf4+ 49. Kg1 Bb6+
>50. Kg2 Qd5+ {-+}) 45... Qf4 46. Nh6+ Kh7 47. Rf3 (47. Rf2 Rh5+ 48. Kg2 Rh2+
>49. Kg1 Rxf2 {-+}) 47... Rh5+ 48. Kg2 Rh2+ 49. Kg1 Bb6+ {-+}) (44. Qd3 dxe4
>45. Qc3 Qd6 {-+}) 44... dxe4 45. Rae2 Qe5 {-+}) 40. Rxe4 f5+ 41. Nxf5 Bf6
>42. Rf4 Kf8 43. Ne2 Qd5 44. Nfg3 Re3 45. Qg6 Qf3+ 46. Kf5 Qd5+ 47. Kg4 Qf3+
>48. Kf5 Qd5+ 49. Kg4 *
>
>Paulo Soares

Yes , after a closer look I agree: 39. ... de was the decisive mistake , and for
sure not the only one in this interesting game :=)

pete





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