User blog comment:Gekkou30/Big Boss Full Power CQC vs The Boss/@comment-121.216.102.100-20120223063709/@comment-1504072-20120223090006

It's possible that Solid Snake could have learned CQC from Big Boss, it just hasn't been confirmed. And I believe a student can surpass a master in any technique with enough training, even if the master was the technique's founder. Big Boss disarms Snake so easily in MGS4 because the latter is too weakened from advanced aging, and also in shock from seeing his previously thought-to-be dead CO.

Maybe MGS1 Solid Snake could beat The Boss had he still continued to use CQC, when still in his prime. Before then he was too much of a rookie, and afterwards his advanced aging began to set in.