Practice with gnubg 2ply

                                      opp                  nori                
Overall Statistics:
Error total EMG (MWC)                      -0.4375 ( -6.161%)      -1.6477 (-25.486%)
Error rate mEMG (MWC)                      -2.73   ( -0.039%)      -8.86   ( -0.137%)
Snowie error rate                          -1.01   ( +0.000%)      -3.81   ( +0.000%)
Overall rating                        World class          Advanced            
Actual result                          +50.00%              -50.00%            
Luck adjusted result                   +23.09%              -23.09%            
Luck based FIBS rating diff.          +328.06                                  
Error based abs. FIBS rating          2013.8               1925.5              
Chequerplay errors rating loss          33.4                 92.4              
Cube errors rating loss                  2.7                 32.1