my gammas:
oakfoam v gnugo (398/1000 games)
board size: 19   komi: 7.5
          wins              black          white        avg cpu
oakfoam    194 48.74%       108 54.27%     86  43.22%    520.94
gnugo      204 51.26%       113 56.78%     91  45.73%     23.70


original gammas:
oakfoam v gnugo (491/1000 games)
board size: 19   komi: 7.5
          wins              black          white        avg cpu
oakfoam    233 47.45%       107 43.50%     126 51.43%    477.99
gnugo      258 52.55%       119 48.57%     139 56.50%     22.11
                            226 46.03%     265 53.97%