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Subject: This position is so easy for humans and too diffcult for computers

Author: Thomas Lagershausen

Date: 13:56:45 01/14/01

In the following game played today in my club and lost by me it is so easy to
see that 32.Rd6xc6! wins in a few moves.Blacks a-pawn will lost very soon and
the white b-pawn queens.
The two playing humans have sawn 32.Rd6xc6! moves before.We almost calculated it
in move 30.Good players should play it in a blitzgame.
So where is the problem for computers?

[Event "Verbandsklasse"]
[Site "Gelsenkirchen Horst Emscher"]
[Date "2001.01.14"]
[Round "6"]
[White "Dömges"]
[Black "Lagershausen"]
[ECO "C46"]
[Result "1-0"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 g6 4. d4 exd4 5. Nxd4 Nxd4
6. Qxd4 Qf6 7. e5 Qb6 8. Qxb6 axb6 9. Nd5 Kd8 10. Bg5+ Be7
11. Nxe7 Nxe7 12. Bc4 Ke8 13. O-O-O b5 14. Bb3 c5 15. Bd5
Nxd5 16. Rxd5 b6 17. Kb1 Bb7 18. Rd6 Bxg2 19. Rhd1 Bc6
20. Bf6 Rg8 21. f4 b4 22. h4 h5 23. b3 Rb8 24. Kb2 Ra8
25. c3 bxc3+ 26. Kxc3 Rb8 27. a4 Ra8 28. Kc4 Rc8 29. R1d2
Ra8 30. a5 bxa5 31. Kxc5 Rb8 32. Rxc6 dxc6 33. Kxc6 Kf8
34. Rd5 g5 35. fxg5 Rg6 36. Rxa5 Kg8 37. Ra7 Rxf6+ 38. gxf6
Rxb3 39. Kd6 Rb6+ 40. Kd5 Rb4 41. Ra8+ Kh7 42. Rf8 Rb5+
43. Ke4 Kg6 44. Rg8+ Kh6 45. Kf5 Rb4 46. Rh8# 1-0

Thomas

Re: This position is so easy for humans and too diffcult for computers Mogens Larsen 15:25:19 01/14/01
Not too diffcult for computers Dan Andersson 14:36:21 01/14/01
- Re: Not too diffcult for computers Djordje Vidanovic 17:37:39 01/14/01
  - Re: Not too diffcult for computers David Rasmussen 05:33:46 01/15/01
    - Re: Not too diffcult for computers Uri Blass 07:07:42 01/15/01
      - Re: Not too diffcult for computers David Rasmussen 13:06:00 01/15/01
        
        Re: Not too diffcult for computers Uri Blass 13:15:46 01/15/01
        
        Re: Not too diffcult for computers David Rasmussen 14:28:36 01/15/01
        
        Re: Not too diffcult for computers David Rasmussen 14:34:29 01/15/01
    - Re: Not too diffcult for computers Djordje Vidanovic 06:24:44 01/15/01
  - Re: Not too diffcult for computers Ed Schröder 01:53:28 01/15/01
    - Pasting problem analysis window Re: Not too diffcult for computers Eelco de Groot 04:23:42 01/15/01
    - Re: Not too diffcult for computers Djordje Vidanovic 04:16:52 01/15/01
- Re: Not too diffcult for computers Thomas Lagershausen 14:48:55 01/14/01
  - Re: Not too diffcult for computers Pete Galati 15:08:24 01/14/01
    - Now we are ready to go in the next round Thomas Lagershausen 03:22:35 01/15/01
      - Re: Now we are ready to go in the next round Dan Andersson 14:16:19 01/15/01
      - Re: Now we are ready to go in the next round Mogens Larsen 04:05:54 01/15/01
        
        Re: A Topprogram needs hours to find 30.a5! Thomas Lagershausen 13:27:38 01/15/01
        
        Re: They need ply 17 to solve the position Thomas Lagershausen 14:21:30 01/15/01
    - Re: Not too diffcult for computers Thomas Lagershausen 15:35:42 01/14/01
      - Re: Not too diffcult for computers Thomas Mayer 23:54:49 01/14/01
      - Re: Not too diffcult for computers David Rasmussen 21:51:35 01/14/01
      - Re: Not too diffcult for computers Jeroen van Dorp 16:09:31 01/14/01
        
        Re: Not too diffcult for computers Uri Blass 23:33:26 01/14/01
        
        Re: Not too diffcult for computers Pete Galati 19:34:33 01/14/01
        
        Re: Not too diffcult for computers Ulrich Tuerke 06:33:19 01/15/01
        
        Re: Not too diffcult for computers Pete Galati 07:45:06 01/15/01
        
        Re: Not too diffcult for computers Ulrich Tuerke 08:16:02 01/15/01
        
        Re: Not too diffcult for computers Pete Galati 08:46:19 01/15/01
        
        Re: Not too diffcult for computers Thomas Mayer 11:07:00 01/15/01
        
        Re: Not too diffcult for computers Dan Newman 20:10:02 01/16/01
        
        Re: Not too diffcult for computers Pete Galati 13:44:56 01/15/01

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