[Bug-gnubg] First move in hint list not the best one

[Carsten Wenderdel]

Hi!

I'm developing a bot for fibs which needs the equity loss for a given
combination of match ID, position ID and move.
To get the informations I need, I parse the hint list from "gnubg -t" under
Linux.
Now I have the problem, that for some combinations it gives me a positive
equity loss! At the end of the mail, you'll see such a hint list.
Is there any possibility to avoid this? I use gnubg 14.3, expert (0 ply).

Thanks in advance,

Carsten

(And thanks for your work, without gnubg my bot never happened!)


Appendix:

Some positions where the problem appears:

Loss  +0.001842, best move: 13/8 7/3, moved: 15/10 9/5
Loss positiv, posID: dwAAAJZfhQkAAAA, matchID: AQH2AXAAEAAA

Loss  +0.122159, best move: 24/19 3/2, moved: 24/19 6/5*
Loss positiv, posID: 3j0AQIDjACThBwA, matchID: AoH0AAAAAAAA

Loss  +0.001620, best move: 13/11 6/4 3/1(2), moved: 11/9 7/3 7/5
Loss positiv, posID: AgAAcG5DgoIAAAA, matchID: AgHpAAAAAAAA

Loss  +0.023749, best move: 9/11 19/20, moved: 13/12 10/8
Loss positiv, posID: O/cAAIDNYSmBAQA, matchID: AQHlAXAAIAAA

Loss  +0.033016, best move: 11/13 15/16, moved: 16/15 14/12
Loss positiv, posID: nR8AAGDbUElgAAA, matchID: AYHoAXAAIAAA

Loss  +0.018231, best move: 14/16 15/16, moved: 15/14 10/8
Loss positiv, posID: PQ8AALBtqBEwAAA, matchID: AQHlAXAAIAAA

Loss  +0.170219, best move: 20/18 16/15, moved: 19/16
Loss positiv, posID: 3j2AAIDTAKQNBwA, matchID: AgHlAAAAAAAA

Hint list for the last Position:

    1. Cubeful 1-ply    20/18 16/15                  Eq.:  -1.047
       0.210 0.000 0.000 - 0.790 0.619 0.181
        1-ply cubeful prune
    2. Cubeful 1-ply    20/18 3/2                    Eq.:  -1.063 ( -0.016)
       0.211 0.000 0.000 - 0.789 0.638 0.201
        1-ply cubeful prune
    3. Cubeful 1-ply    18/16 3/2                    Eq.:  -1.065 ( -0.018)
       0.212 0.000 0.000 - 0.788 0.645 0.189
        1-ply cubeful prune
    4. Cubeful 1-ply    18/16 6/5                    Eq.:  -1.077 ( -0.030)
       0.204 0.000 0.000 - 0.796 0.633 0.209
        1-ply cubeful prune
    5. Cubeful 1-ply    20/19 18/16                  Eq.:  -1.078 ( -0.030)
       0.204 0.000 0.000 - 0.796 0.632 0.210
        1-ply cubeful prune
    6. Cubeful 1-ply    20/18 6/5                    Eq.:  -1.079 ( -0.031)
       0.202 0.000 0.000 - 0.798 0.628 0.199
        1-ply cubeful prune
    7. Cubeful 1-ply    18/16 5/4                    Eq.:  -1.098 ( -0.050)
       0.199 0.000 0.000 - 0.801 0.639 0.195
        1-ply cubeful prune
    8. Cubeful 1-ply    19/18 16/14                  Eq.:  -1.136 ( -0.089)
       0.188 0.000 0.000 - 0.812 0.651 0.194
        1-ply cubeful prune
    9. Cubeful 0-ply    19/16                        Eq.:  -0.877 ( +0.170)
       0.250 0.000 0.000 - 0.750 0.546 0.114
        0-ply cubeful prune [expert]
   10. Cubeful 0-ply    19/17 18/17                  Eq.:  -0.887 ( +0.161)
       0.250 0.000 0.000 - 0.750 0.557 0.122
        0-ply cubeful prune [expert]
   11. Cubeful 0-ply    20/18 5/4                    Eq.:  -0.892 ( +0.155)
       0.251 0.000 0.000 - 0.749 0.567 0.123
        0-ply cubeful prune [expert]
   12. Cubeful 0-ply    19/18 3/1                    Eq.:  -0.895 ( +0.152)
       0.248 0.000 0.000 - 0.752 0.561 0.119
        0-ply cubeful prune [expert]
   13. Cubeful 0-ply    16/14 3/2                    Eq.:  -0.896 ( +0.151)
       0.251 0.000 0.000 - 0.749 0.573 0.134
        0-ply cubeful prune [expert]
   14. Cubeful 0-ply    16/14 6/5                    Eq.:  -0.898 ( +0.150)
       0.249 0.000 0.000 - 0.751 0.569 0.134
        0-ply cubeful prune [expert]
   15. Cubeful 0-ply    18/17 16/14                  Eq.:  -0.900 ( +0.147)
       0.248 0.000 0.000 - 0.752 0.566 0.130
        0-ply cubeful prune [expert]
   16. Cubeful 0-ply    16/13                        Eq.:  -0.904 ( +0.143)
       0.246 0.000 0.000 - 0.754 0.567 0.130
        0-ply cubeful prune [expert]
   17. Cubeful 0-ply    20/19 20/18                  Eq.:  -0.905 ( +0.142)
       0.246 0.000 0.000 - 0.754 0.567 0.114
        0-ply cubeful prune [expert]
   18. Cubeful 0-ply    20/18 19/18                  Eq.:  -0.906 ( +0.141)
       0.244 0.000 0.000 - 0.756 0.563 0.128
        0-ply cubeful prune [expert]
   19. Cubeful 0-ply    19/18 19/17                  Eq.:  -0.907 ( +0.140)
       0.244 0.000 0.000 - 0.756 0.563 0.128
        0-ply cubeful prune [expert]
   20. Cubeful 0-ply    16/14 5/4                    Eq.:  -0.915 ( +0.132)
       0.244 0.000 0.000 - 0.756 0.572 0.131
        0-ply cubeful prune [expert]
   21. Cubeful 0-ply    16/15 3/1                    Eq.:  -0.959 ( +0.088)
       0.233 0.000 0.000 - 0.767 0.590 0.133
        0-ply cubeful prune [expert]
   22. Cubeful 0-ply    18/15                        Eq.:  -0.962 ( +0.085)
       0.231 0.000 0.000 - 0.769 0.588 0.138
        0-ply cubeful prune [expert]
   23. Cubeful 0-ply    18/17 3/1                    Eq.:  -0.963 ( +0.084)
       0.233 0.000 0.000 - 0.767 0.592 0.135
        0-ply cubeful prune [expert]
   24. Cubeful 0-ply    20/19 16/14                  Eq.:  -0.971 ( +0.076)
       0.229 0.000 0.000 - 0.771 0.591 0.134
        0-ply cubeful prune [expert]
   25. Cubeful 0-ply    6/5 6/4                      Eq.:  -0.973 ( +0.074)
       0.230 0.000 0.000 - 0.770 0.597 0.139
        0-ply cubeful prune [expert]
   26. Cubeful 0-ply    6/5 3/1                      Eq.:  -0.979 ( +0.068)
       0.229 0.000 0.000 - 0.771 0.600 0.138
        0-ply cubeful prune [expert]
   27. Cubeful 0-ply    6/4 5/4                      Eq.:  -0.982 ( +0.065)
       0.228 0.000 0.000 - 0.772 0.599 0.146
        0-ply cubeful prune [expert]
   28. Cubeful 0-ply    19/18 6/4                    Eq.:  -0.984 ( +0.064)
       0.224 0.000 0.000 - 0.776 0.590 0.146
        0-ply cubeful prune [expert]
   29. Cubeful 0-ply    5/4 3/1                      Eq.:  -0.985 ( +0.062)
       0.227 0.000 0.000 - 0.773 0.600 0.135
        0-ply cubeful prune [expert]
   30. Cubeful 0-ply    5/2                          Eq.:  -0.990 ( +0.057)
       0.224 0.000 0.000 - 0.776 0.596 0.130
        0-ply cubeful prune [expert]
   31. Cubeful 0-ply    19/18 5/3                    Eq.:  -0.999 ( +0.048)
       0.211 0.000 0.000 - 0.789 0.568 0.113
        0-ply cubeful prune [expert]
   32. Cubeful 0-ply    20/19 3/1                    Eq.:  -1.016 ( +0.031)
       0.219 0.000 0.000 - 0.781 0.611 0.137
        0-ply cubeful prune [expert]
   33. Cubeful 0-ply    19/17 3/2                    Eq.:  -1.024 ( +0.024)
       0.217 0.000 0.000 - 0.783 0.614 0.154
        0-ply cubeful prune [expert]
   34. Cubeful 0-ply    19/17 16/15                  Eq.:  -1.038 ( +0.009)
       0.210 0.000 0.000 - 0.790 0.610 0.149
        0-ply cubeful prune [expert]
   35. Cubeful 0-ply    19/17 5/4                    Eq.:  -1.041 ( +0.006)
       0.210 0.000 0.000 - 0.790 0.613 0.150
        0-ply cubeful prune [expert]
   36. Cubeful 0-ply    16/15 5/3                    Eq.:  -1.045 ( +0.002)
       0.202 0.000 0.000 - 0.798 0.593 0.125
        0-ply cubeful prune [expert]
   37. Cubeful 0-ply    19/17 6/5                    Eq.:  -1.048 ( -0.000)
       0.208 0.000 0.000 - 0.792 0.615 0.149
        0-ply cubeful prune [expert]
   38. Cubeful 0-ply    18/17 5/3                    Eq.:  -1.048 ( -0.000)
       0.201 0.000 0.000 - 0.799 0.594 0.126
        0-ply cubeful prune [expert]
   39. Cubeful 0-ply    20/17                        Eq.:  -1.049 ( -0.002)
       0.210 0.000 0.000 - 0.790 0.620 0.147
        0-ply cubeful prune [expert]
   40. Cubeful 0-ply    16/15 6/4                    Eq.:  -1.058 ( -0.011)
       0.208 0.000 0.000 - 0.792 0.627 0.165
        0-ply cubeful prune [expert]
   41. Cubeful 0-ply    6/4 3/2                      Eq.:  -1.059 ( -0.012)
       0.211 0.000 0.000 - 0.789 0.635 0.170
        0-ply cubeful prune [expert]
   42. Cubeful 0-ply    18/17 6/4                    Eq.:  -1.061 ( -0.014)
       0.208 0.000 0.000 - 0.792 0.628 0.166
        0-ply cubeful prune [expert]
   43. Cubeful 0-ply    3/2 3/1                      Eq.:  -1.063 ( -0.016)
       0.208 0.000 0.000 - 0.792 0.629 0.148
        0-ply cubeful prune [expert]
   44. Cubeful 0-ply    20/19 5/3                    Eq.:  -1.103 ( -0.055)
       0.188 0.000 0.000 - 0.812 0.616 0.131
        0-ply cubeful prune [expert]
   45. Cubeful 0-ply    20/19 6/4                    Eq.:  -1.122 ( -0.075)
       0.193 0.000 0.000 - 0.807 0.652 0.166
        0-ply cubeful prune [expert]
   46. Cubeful 0-ply    6/3                          Eq.:  -1.142 ( -0.095)
       0.180 0.000 0.000 - 0.820 0.635 0.153
        0-ply cubeful prune [expert]

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