Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Testposition ? (Gandalf 6.0)

Author: Kurt Utzinger

Date: 03:51:44 12/01/04

Go up one level in this thread


On November 30, 2004 at 21:05:13, John Merlino wrote:

>On November 30, 2004 at 20:52:20, Eduard Nemeth wrote:
>
>>
>>IM Almira Skripchenko played on ChessBase Server in the last hours 10 games. She
>>lost 9 games and hold only one draw!
>>
>>But all players played very strong (that in Blitztime 3+0 only!!). See here:
>>
>>Game:
>>
>>[Event "3m + 0s, rated blitz"]
>>[Site "playchess.com"]
>>[Date "2004.??.??"]
>>[Round "?"]
>>[White "Animate Dead"]
>>[Black "Skripchenko"]
>>[Result "1-0"]
>>[ECO "B24"]
>>[WhiteElo "2655"]
>>[BlackElo "2480"]
>>[PlyCount "81"]
>>[EventDate "2004.??.??"]
>>
>>1. e4 {2} c5 {2} 2. Nc3 {1} e6 {1} 3. g3 {1} d5 {1} 4. Bg2 {0} Nf6 {7} 5. d3 {4
>>} Nc6 {4} 6. f4 {2} Be7 {3} 7. e5 {2} Nd7 {2} 8. Nf3 {0} Rb8 {4} 9. O-O {1} b5
>>{1} 10. Ne2 {0} d4 {2} 11. Nd2 {2} Bb7 {2} 12. Ne4 {1} O-O {2} 13. a4 {4} a6 {2
>>} 14. Bd2 {1} Nb6 {4} 15. axb5 {6} axb5 {1} 16. h4 {2} Nd5 {1} 17. h5 {2} h6 {4
>>} 18. g4 {2} c4 {3} 19. N2g3 {10} c3 {12} 20. bxc3 {1} dxc3 {2} 21. Nxc3 {3}
>>Bc5+ {2} 22. Kh2 {2} Ne3 {6} 23. Bxe3 {1} Bxe3 {1} 24. Nce4 {3} Ne7 {5} 25. f5
>>{3} Nd5 {4} 26. f6 {2} b4 {5} 27. fxg7 {3} Kxg7 {2} 28. Nf6 {5} Nxf6 {5} 29.
>>exf6+ {0} Kh8 {1} 30. Bxb7 {7} Rxb7 {5} 31. Qf3 {0} Qb6 {1} 32. Ra6 {17} Qxa6 {
>>8} 33. Qxe3 {1} Kh7 {1} 34. Qe4+ {4} Kh8 {1} 35. Qf4 {1} Kh7 {1} 36. Ne4 {29}
>>Qa8 {14} 37. g5 {8} Qb8 {8} 38. Nd6 {1} Rb6 {7} 39. g6+ {11} Kg8 {6} 40. Qxh6 {
>>6} Qxd6+ {4} 41. Kh3 {Skripchenko abandonne  (Lag: Av=0.27s, max=0.6s) 5} 1-0
>>
>>
>>Animate Dead - Skripchenko, 3m + 0s, rated blitz 2004
>>
>>White played now strong Ne4 (after only 29 seconds) and won.
>>
>>
>>[D]5r2/1r3p1k/q3pP1p/7P/1p3QP1/3P2N1/2P4K/5R2 w - - 0 1
>>
>>Which program play here now strong Ne4 too in only 30s?
>>
>>Eduard
>
>I don't think that 36.Ne4 is the best move. Before playing that move, CM9_R1
>prefers 36.Qe4+ with a draw score. After forcing 36.Ne4, it gives 36...Qa5 a
>score of -0.70 for Black. Skripchenko's 36...Qa8 gets a score of +1.30 for
>White.
>
>Additionally (and even worse), 38...Rb6 is a horrible blunder. The King gives
>38...hxg5 a score of about -1.05, while 38...Rb6 is a Mate in 5 for White!!
>
>jm


      Hi John
      I think you are right, 36.Ne4 is
      not a winning move. Below the analysis
      of Gandalf 6.0
      Kurt



New game,
5r2/1r3p1k/q3pP1p/7P/1p3QP1/3P2N1/2P4K/5R2 w - - 0 1

Analysis by Gandalf 6.0:

1.Kh3 Rg8 2.Qe4+ Kh8 3.Rb1
  µ  (-0.92)   Depth: 5/17   00:00:00
1.Ne4 Rc8 2.Rf2 b3 3.cxb3 Rxb3 4.g5 Rxd3 5.gxh6
  µ  (-0.73)   Depth: 5/17   00:00:00
  µ  (-0.83)   Depth: 6/20   00:00:00  65kN
1.g5 hxg5 2.Qxg5 Rg8 3.Qe5 b3 4.Ra1 Qc6
  µ  (-0.83)   Depth: 6/25   00:00:00  109kN
  ³  (-0.57)   Depth: 7/29   00:00:01  181kN
1.Qe4+ Kg8 2.Qf4 Kh7
  ³  (-0.57)   Depth: 7/29   00:00:01  208kN
  =  (0.00)   Depth: 17/53   00:18:23  270405kN, tb=69

(Utzinger, MyTown 01.12.2004)




This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.