345
Emerald can duo with:
Platinum — Diamond III
Hidden MMR can add restrictions: for example, Emerald to Diamond II players can't queue with someone who has Master-level MMR. Riot's rules
345
449
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533
Emerald II
Jungle
+
Mid
474
760
EUNE
Emerald IV
Jungle
+
Bot
74
RU
Emerald I
Bot
+
Mid
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74
RU
Emerald I
Bot
+
Mid
61
Emerald IV
Top
+
Bot
193
549
Turkey
Emerald III
Support
+
Mid
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74
Emerald I
Support
+
Mid
174
Summoners
ARAM
Platinum
Diamond