Ivern vs Riven

Rank	Win Rate	Riven wins50 %Ivern wins	Games
Iron	too few games		2
Bronze	too few games		6
Silver	too few games		6
Gold	too few games		16
Platinum	too few games		31
Emerald	too few games		21
Diamond	too few games		16
Master	too few games		13
Grandmaster	too few games		—
Challenger	too few games		—

Rows count games as played (111 in all). The head weights each rank by its real share of ranked players (97 weighted games), so the rows do not add up to it. Patch 26.21: 67 games, too few for a win rate Games from patch 26.19 to 26.21