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Subject: Re: Examples for ChessTigers different evaluations...

Author: Vincent Diepeveen

Date: 06:09:24 11/18/99

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On November 17, 1999 at 20:49:55, Thorsten Czub wrote:

>I am playing a mail-chess game against an anonymous guy.
>Here is the game:
>
>
>
>     Thorsten Czub - Rudi
>
>     1.d4 d5 2. e4 dxe4 3. Sc3 Sf6 4. f3 exf3 5. Dxf3 Dxd4
>     6. Le3 Dh4+ 7. g3 Dg4 8. 0-0-0 Dxf3 9. Sxf3 c6
>     {until here it was "book"}
>     10. Lg2 Sbd7 11. The1 e6 12. Sd4 Lc5 13. Sa4 Lxd4
>     14. Lxd4 0-0 15. b3 Te8 16. Sb2 Sb6 17. Sd3 Sfd5
>     18. c4 Sf6 19. Lf3 Sfd7 20. Sf4 Kf8 21. Lb2 a5 22. La3+ Kg8
>     23. c5 a4 24. cxb6 axb3 25. Kb2 bxa2 26. Kxa2 Sxb6
>     27. Kb3 e5 28. Lc5 Sd7 29. Ld6 f6 30. Sd3 Sf8 31. Kb2 Le6
>     32. Sc5 Ta2+ 33.. Kc1 Txh2 34. Te2 Txe2 35. Lxe2 Lc8
>     36. Lc4+ Se6 37. Se4 Td8 38. Td3 b5 39. La2 Kf7 40. Ta3 f5
>     41. Lc7 Th8 42. Sd6+ Kf6 43. Lb6 Tf8
>     44. Ta7
>
>If you want we can let this game "replay" by several
>chess programs, as an example, and relate the evaluations of the programs
>to see that tiger has completely different score than any other.


Sure hard to compare a what i call 'piece square table' program,
plain stupid and dumb, searching however very deep (12 to 13 ply
at dutch open at 90 0 level!) and seemingly long PV lines.

Always putting pressure at near to static weak pawns in a position.

Very consequent play, yet quite chanceless in the future. Should pay
Jeroen more as his contribution is bigger!

Someone at the internet claiming to use tiger (tol4511):

tol4511 (2477) vs. Moron (2615) --- 1999.11.17 20:25:20
Rated standard match, initial time: 30 minutes, increment: 0 seconds

      chesstiger         diep
Move  tol4511            Moron
----  ----------------   ----------------
  1.  e4       (0:16)    c5       (0:00)
  2.  Nf3      (0:17)    Nc6      (0:00)
  3.  d4       (0:07)    cxd4     (0:00)
  4.  Nxd4     (0:07)    Nf6      (0:00)
  5.  Nc3      (0:07)    d6       (0:00)
  6.  Bg5      (0:07)    e6       (0:00)
  7.  Qd2      (0:07)    a6       (0:00)
  8.  O-O-O    (0:06)    Bd7      (0:00)
  9.  f4       (0:08)    b5       (0:00)
 10.  Nxc6     (0:08)    Bxc6     (0:00)
 11.  Bxf6     (0:07)    Qxf6     (1:40)
 12.  h4       (1:16)    b4       (0:59)
 13.  Ne2      (0:49)    a5       (0:06)
 14.  Nd4      (1:22)    Bxe4     (0:00)
 15.  Qe3      (1:11)    d5       (0:57)
 16.  Bb5+     (0:50)    Kd8      (0:00)

Here DIEP evaluated the position as 0.10,
getting about a 9 ply search or something.

Expecting Rhe1, i am not happy about the
position here, though probably only deep
analysis can give us insight!

 17.  Nc6+     (1:15)    Kc7      (0:55)

Patzer sees check. Score jumpe directly up to about
a pawn up here.

 18.  Rhf1     (0:26)    a4       (1:07)

Rhf1 caused the score to jump up again.

 19.  Ne5      (0:45)    a3       (0:00)
 20.  b3       (0:58)    Bxg2     (0:40)
 21.  Rg1      (0:39)    Be4      (0:39)
 22.  Rg5      (0:09)    h6       (0:38)
 23.  Rgg1     (0:49)    Ra5      (0:37)
 24.  c4       (0:36)    Bd6      (0:16)
 25.  Rdf1     (0:26)    g6       (0:00)
 26.  Kd1      (0:53)    Rc8      (0:36)
 27.  Qd4      (0:48)    Kb7      (0:35)
 28.  Bd7      (1:31)    Rc7      (0:34)
 29.  Qd2      (1:01)    Bc5      (0:00)
 30.  h5       (1:27)    Bxg1     (0:33)
 31.  Rxg1     (0:11)    Qe7      (0:20)
 32.  hxg6     (0:28)    fxg6     (0:02)
 33.  Bb5      (0:46)    g5       (0:00)
 34.  Rg4      (1:09)    Qc5      (0:43)
 35.  fxg5     (0:09)    h5       (0:19)
 36.  Rg3      (0:38)    dxc4     (0:06)
 37.  Nxc4     (1:27)    Rxb5     (0:00)
       {White resigns} 0-1

White didn't have much weak points to aim the
guns at this game.


>For the beginning i would like YOU to replay whites moves with your
>famous chess programs and to post the evaluation right behind
>the white moves, say after let white compute 10 minutes on a fast
>pc for each move.
>
>After we have some other programs i can present tigers score for each position
>with white to move and we can altogether confirm: tiger evaluates different
>than other programs.
>
>Now you can guess WHY or ask Christophe :-))) and i hope he will not
>really tell you.
>because somehow it seems to be the secret of its playing strength :-))



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