I'm a little worried that we are only looking at the best behaved filters (g and r), though I know it is a bit of a tricky thing because int he harder bands ISR plays a bigger role. I think it's fine for now, but we should keep an eye out for problems in other bands.
For completeness, I've recorded the number of calexps that got recorded for the new/old matcher. They are similar, but not the same. I hope we can figure out why these chips failed. It sounds like you have a good start on that, but we need to make sure to be able to categorize all the missing ones in the next phase.
Completed HSC – 3952/4056
Completed HITS – 10071/8676
Completed CFHTLS – 8831/8906