Jonson Clarke-Harris struck his 31st goal of the season early in the game before Josef Bursik saved a penalty just after the half hour mark.
Posh defended superbly as Charlton failed to create any clearcut opportunities in the second half..
RATINGS KEY: 10-Brilliant, 9-Outstanding, 8-Very Good, 7-Good, 6-Okay, 5-Poor, 4-Dreadful.
RATINGS KEY: 10-Brilliant, 9-Outstanding, 8-Very Good, 7-Good, 6-Okay, 5-Poor, 4-Dreadful.
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