The summoner name or tag is incorrect
kex #0001
SILVER III
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Match History for Patch: 16.10.1
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Champion Stats for Patch: 16.10.1
Champion Mastery
lvl: 31
310,802
lvl: 13
113,317
lvl: 9
67,156
lvl: 9
65,734
lvl: 7
51,770
lvl: 7
49,819
lvl: 6
32,505
lvl: 5
27,923
lvl: 5
27,849
lvl: 5
23,417
lvl: 4
21,328
lvl: 4
21,057