The summoner name or tag is incorrect
note #50935
SILVER III
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Match History for Patch: 16.9.1
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Champion Stats for Patch: 16.9.1
Champion Mastery
lvl: 49
527,484
lvl: 14
126,958
lvl: 8
63,112
lvl: 7
49,352
lvl: 6
38,961
lvl: 5
26,601
lvl: 5
26,129
lvl: 5
25,650
lvl: 5
24,923
lvl: 5
22,352
lvl: 5
21,625
lvl: 4
21,245