RE: [Bug-gnubg] race-, position-database etc.

[Albert Silver]

Well, I'm not sure if this qualifies, but here is a move played by
Snowie during bear-off (with contact) that GNU flagged as a blunder at 2
plies, and then said its suggested moves was the blunder at 3 plies:

Snowie (O, 0 pts) vs. gnubg (X, 0 pts) (Match to 7)

Game number 1

Move number 50: O to play 14

 GNU Backgammon  Position ID: tm0IgDHecw8AAA
                 Match ID   : EoHwAAAAAAAA
 +12-11-10--9--8--7-------6--5--4--3--2--1-+     O: Snowie
 |                  |   | O  O  X  O  O  X |     0 points
 |                  |   | O  O  X  O  O  X |     Rolled 14
 |                  |   | O  O     O  O    |     
 |                  |   | O        O  O    |     
 |                  |   |                  |    
^|                  |BAR|                  |     7 point match
 |                  |   |                  |    
 |                  |   |                  |     
 |                  |   |                  |     
 |                  |   | X  X  X  X  X    |     
 |       X          |   | X  X  X  X  X    |     0 points
 +13-14-15-16-17-18------19-20-21-22-23-24-+     X: gnubg (Cube: 4)

* Snowie moves 6/5 6/2
Alert: bad move ( +0.000)

    1. Cubeful 2-ply    6/2 3/2                      Eq.:  +0.777
       0.787 0.354 0.011 - 0.213 0.005 0.000
        2-ply cubeful 100% speed, 16 cand., 1 tol. [world class++]
    2. Cubeful 2-ply    6/5 6/2                      Eq.:  +0.638 (
-0.139)
       0.733 0.348 0.021 - 0.267 0.002 0.000
        2-ply cubeful 100% speed, 16 cand., 1 tol. [world class++]

Rolled 14 (-0.055):
*    1. Cubeful 3-ply    6/5 6/2                      Eq.:  +0.474
       0.673 0.336 0.026 - 0.327 0.010 0.000
     2. Cubeful 3-ply    6/2 3/2                      Eq.:  +0.372 (
-0.102)
       0.650 0.302 0.017 - 0.350 0.064 0.002


Output generated Tue Oct 01 18:52:21 2002
by GNU Backgammon 0.12 (Text Export version 1.19)