Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: interresting position

Author: Mark Young

Date: 14:01:14 10/24/98

Go up one level in this thread


On October 24, 1998 at 09:59:22, Vincent Lejeune wrote:

>I like to play tactical game (40m/2h) and back to home, analyse it deeply ...
>There's one other complicated test position ...
>
>[Event "?"]
>[Site "?"]
>[Date "????.??.??"]
>[Round "?"]
>[White "?"]
>[Black "?"]
>[Result "*"]
>
>1. e4 e6 2. d4 d5 3. Nc3 c6 4. Nf3 Nd7 5. Bd3 dxe4 6. Nxe4 Ngf6 7. Neg5 Bd6 8.
>Qe2 Nf8 9. Ne5 Bxe5 10. dxe5 Nd5 11. Bd2 Bd7 12. c4 Ne7 13. Ne4 Nc8 14. c5 Ng6
>15. Nd6+ Nxd6 16. cxd6 O-O 17. h4 f5 18. h5 Nh8 19. O-O-O a5 20. Qf3  [20. g4
>was interesting here] Nf7 21. Qg3 b5 22. h6 g6 23. Rh5?!  c5 24. Bg5 Nxg5 25.
>Rxg5 c4? 26. Rxg6+ Kh8 27. Rg7 Rg8 28. Bxf5!? exf5 29. e6 Qf6
>
>r5rk/3b2Rp/3PPq1P/pp3p2/2p5/6Q1/PP3PP1/2KR4 w - -
>
>Here I have played 30. Qh3? it seems not to be good ...
>
>after deep analysis, helped by some chess programs on my P133, I conclued that
>30. f4! is the (only?) good  move for white ...
>Fritz 5 seems not to find this good move rapidly ...
>
>After how many time the other programs find this move ?

Fritz 5 found f4 <3min
Junior5 played Rxg8 >3min
Crafty 15.20 play Rxg8 >3min
Exchess2.45 played Qe3 >3min
Rebel 10 played Qe3 >3min.

Fritz 5 was the only program that found f4 in a short time. I don't know if Rxg8
also wins. If so it is just be a matter of style.

>
>some lines :
>
>30. f4 !
>
>30... c3 31. exd7 cxb2+ 32. Kb1 Rxg7 33. hxg7+ Qxg7 34. Qe3 Qxd7 35. Qe5+ Qg7
>36. d7 Qxe5 37. fxe5 Rd8 38. e6 +-
>
>30...Bxe6 31. d7 Rxg7 32. d8=Q+ Rxd8 33. Qxg7+ Qxg7 34. hxg7+ Kxg7 35. Rxd8 c3
>36.a3 cxb2+ 37. Kxb2 +-
>
>30... Qxh6 31. Rxg8+ Rxg8 32. exd7 Qg7 33. Qxg7+ Kxg7 34. Re1 +-
>
>
>30. Qe3 ? [fritz 5 best move after 3 min] Bxe6 31. d7 Rxg7 32. hxg7+ Kxg7 33.
>Qg3+ Kf7 34. d8=Q Rxd8 35. Qc7+ Ke8 36. Qc6+ Kf8 37. Rxd8+ Qxd8 38. Qxe6 Qg5+
>39. Kd1 Qxg2 40. Qxf5+ Kg7 41. Kd2 -+
>
>
>See you soon ...



This page took 0.01 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.