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[Bug-gnubg] remote server code fixed I think


From: Jim Segrave
Subject: [Bug-gnubg] remote server code fixed I think
Date: Thu, 4 Sep 2003 20:35:21 +0200
User-agent: Mutt/1.4.1i

On Wed 03 Sep 2003 (17:15 +0000), Joern Thyssen wrote:
> On Wed, Sep 03, 2003 at 04:27:52PM +0000, Joern Thyssen wrote
> > On Wed, Sep 03, 2003 at 12:13:48AM +0200, Jim Segrave wrote
> > > 
> > > You can see this yourself by starting a gnubg -t and giving the
> > > command 
> > > external localhost:4567
> > > (or any other port number you like), then starting another gnubg and
> > > setting one player to external with the same localhost:4567. Start a
> > > money session and watch the strange cube handling.
> > 
> > I can only reproduce the problem with 
> > 
> > set player 0 external localhost:10000
> > 
> > Setting player 1 to external works fine. It seems there is a problem
> > swapping the board.
> 
> I've removed the call to SwapSides in external.c. It seesm to fix the
> problem.

I think so as well. I've just done a short test - 25 to 30 money games
expert mode vs. expert mode and the results, particularly the luck
adjusted results (what a useful feature) suggest to me that it's
playing equal strength in master and client. I tried running the
client with the external on player0 and player1 and again, it looks
reasonable to me:

                                      clientgnubg       remotegnubg1        
Chequer Play Statistics:
Total moves                           591                  584                 
Unforced moves                        503                  460                 
Unmarked moves                          0                    0                 
Moves marked good                     583                  579                 
Moves marked doubtful                   6                    5                 
Moves marked bad                        2                    0                 
Moves marked very bad                   0                    0                 
Error rate (total)                    -1.441 ( -2.785)     -1.053 (-2.118)    
Error rate (per move)                  -2.87 ( -0.006)      -2.29 (-0.005)    
Chequerplay rating                    World class          World class         

Luck Statistics:
Rolls marked very lucky                 6                   12                 
Rolls marked lucky                     27                   32                 
Rolls unmarked                        526                  504                 
Rolls marked unlucky                   30                   29                 
Rolls marked very unlucky               2                    7                 
Luck rate (total)                     -6.678 (-17.967)     -1.670 (+0.886)    
Luck rate (per move)                  -11.30 ( -0.030)      -2.86 (+0.002)    
Luck rating                           None                 None                

Cube Statistics:
Total cube decisions                  330                  440                 
Close or actual cube decisions         78                   92                 
Doubles                                18                   21                 
Takes                                  13                   18                 
Passes                                  8                    0                 
Missed doubles around DP                0                    0                 
Missed doubles around TG                0                    0                 
Wrong doubles around DP                 0                    7 (+0.136( +0.140)
Wrong doubles around TG                 5 (+0.188 ( +0.252   0                 
Wrong takes                             0                    2 (+0.172( +0.217)
Wrong passes                            2 (+0.038 ( +0.126   0                 
Error rate (total)                    -0.226 ( -0.378)     -0.308 (-0.357)    
Error rate (per cube decision)         -2.90 ( -0.005)      -3.35 (-0.004)    
Cube decision rating                  World class          World class         

Overall Statistics:
Error rate (total)                    -1.667 ( -3.163)     -1.361 (-2.476)    
Error rate (per decision)              -2.87 ( -0.005)      -2.47 (-0.004)    
Equiv. Snowie error rate               -1.42                -1.16              
Overall rating                        World class          World class         
Actual result                         -18.000              +18.000             
Luck adjusted result                   +0.853               -0.853             
Advantage (actual) in ppg               -0.7                  0.7              
95% confidence interval (ppg)            1.1                  1.1              
Advantage (luck adjusted) in ppg         0.0                 -0.0              
95% confidence interval (ppg)            0.0                  0.0              

=============== and reversed ==============================

                                      remotegnubg0        clientgnubg1        
Chequer Play Statistics:
Total moves                           586                  591                 
Unforced moves                        531                  523                 
Unmarked moves                          0                    0                 
Moves marked good                     573                  586                 
Moves marked doubtful                  10                    4                 
Moves marked bad                        3                    1                 
Moves marked very bad                   0                    0                 
Error rate (total)                    -1.782 ( -2.536)     -1.204 (-1.914)    
Error rate (per move)                  -3.36 ( -0.005)      -2.30 (-0.004)    
Chequerplay rating                    World class          World class         

Luck Statistics:
Rolls marked very lucky                 7                    7                 
Rolls marked lucky                     31                   35                 
Rolls unmarked                        527                  525                 
Rolls marked unlucky                   16                   18                 
Rolls marked very unlucky               5                    6                 
Luck rate (total)                     +0.902 ( -2.805)     +4.485 (+5.765)    
Luck rate (per move)                   +1.54 ( -0.005)      +7.59 (+0.010)    
Luck rating                           None                 None                

Cube Statistics:
Total cube decisions                  450                  405                 
Close or actual cube decisions        101                  100                 
Doubles                                21                   22                 
Takes                                  14                   13                 
Passes                                  8                    8                 
Missed doubles around DP                0                    2 (+0.067( +0.126)
Missed doubles around TG                2 (+0.045 ( +0.085   0                 
Wrong doubles around DP                 0                    6 (+0.123( +0.172)
Wrong doubles around TG                 3 (+0.075 ( +0.109   0                 
Wrong takes                             0                    0                 
Wrong passes                            0                    1 (+0.051( +0.051)
Error rate (total)                    -0.120 ( -0.194)     -0.242 (-0.350)    
Error rate (per cube decision)         -1.19 ( -0.002)      -2.42 (-0.004)    
Cube decision rating                  Supernatural         World class         

Overall Statistics:
Error rate (total)                    -1.902 ( -2.730)     -1.445 (-2.264)    
Error rate (per decision)              -3.01 ( -0.004)      -2.32 (-0.004)    
Equiv. Snowie error rate               -1.62                -1.23              
Overall rating                        World class          World class         
Actual result                          -7.000               +7.000             
Luck adjusted result                   +1.569               -1.569             
Advantage (actual) in ppg               -0.2                  0.2              
95% confidence interval (ppg)            0.3                  0.3              
Advantage (luck adjusted) in ppg         0.0                 -0.0              
95% confidence interval (ppg)            0.0                  0.0              





-- 
Jim Segrave           address@hidden





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