Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Testposition - Tactics

Author: Vincent Diepeveen

Date: 06:06:34 06/22/01

Go up one level in this thread


On June 21, 2001 at 17:15:59, Sune Larsson wrote:

>
>  [D]4k2r/rp5p/pR4p1/4qp2/3pp1PQ/8/2P4P/R5K1 w k - 0 28
>
>
>  This position is from IM Berg-GM Hector, Sigeman tournament - Malmo.
>  These two very tactical skilled Swedes had battled it out just like
>  old masters did in the 19th century. Young Emanuel Berg sacked one
>  pawn after another but, as it looked, in vain. Now, all good stories
>  give some glory to the brave one and that is also what happened here.
>  In the above position white, 4 pawns less, has the resource 28.Ra5!! -
>  with the point 28.-Qxa5 29.Qf6!  (not 29.Re6+ Kd7). At the present
>  moment it looks like this 28.Ra5!! is good enough to draw the game
>  for white.
>

The question to you is: what do you do after Ra5 Qe7 +2.816 up for
black, do you resign with white?

>  Test 1: Can your program find the move 28.Ra5!! - evals?
>
>  Test 2. After 28.Ra5!! Qxa5 can your program find 29.Qf6! - evals?
>
>
>  In the game Hector chose 28.-Qg7 which resulted in a draw. See further down.
>
>
>  Sune
>
>
>
>[Event "Sigeman & Co"]
>[Site "Malmoe SWE"]
>[Date "2001.06.18"]
>[Round "7"]
>[White "Berg, E."]
>[Black "Hector, J."]
>[Result "1/2-1/2"]
>[ECO "C34"]
>[WhiteElo "2474"]
>[BlackElo "2546"]
>[PlyCount "85"]
>[EventDate "2001.06.12"]
>
>1. e4 e5 2. f4 exf4 3. Nf3 Nf6 4. e5 Ne4 5. d4 d5 6. Bxf4 c5 7. Bd3 Qb6 8. O-O
>cxd4 9. Nbd2 Bf5 10. Nb3 Bc5 11. a4 a6 12. a5 Qa7 13. Nxc5 Qxc5 14. b4 Qxb4 15.
>Bc1 Nc6 16. Ba3 Qxa5 17. Bf8 Qc7 18. Bxe4 Bxe4 19. Bd6 Qd7 20. Ng5 f6 21. Nxe4
>dxe4 22. Qh5+ g6 23. Qh4 f5 24. g4 Qe6 25. Rfb1 Ra7 26. Rb6 Nxe5 27. Bxe5 Qxe5
>28. Ra5 Qg7 29. Re6+ Kd7 30. Rae5 Kc8 31. Re8+ Rxe8 32. Rxe8+ Kd7 33. Qd8+ Kc6
>34. Re6+ Kc5 35. Qb6+ Kc4 36. Qb3+ Kc5 37. Qb6+ Kc4 38. Qxa7 Qh6 39. Qxb7 Qe3+
>40. Kf1 Qf3+ 41. Kg1 Qxg4+ 42. Kf1 Qd1+ 43. Kg2 1/2-1/2



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.