So i couldn't manage to duplicate the source charts for the previous software sales posting, but I did find this...
http://vgchartz.com/weekly.php?date=39362
Evaluate each week and you find this data:
Weekly
Wii / XBox360
7th Oct: 164,274 / 186,959
30th Sep: 194,039 / 205,019
23rd Sep: 192,701 / 145,343
16th Sep: 202,727 / 129,352
9th Sep: 231,604 / 118,827
2nd Sep: 256,269 / 128,995
26th Aug: 247,088 / 118,164
...
Numbers: Checker Players > Halo Players
Checkers Age and replayability > Halo Age and replayability
Therefore, Checkers > Halo
So, Checkers is a better game than Halo.