Monthly record of kohakuhina's rank (dan/kyu)
month dan/kyu win/lose win ratio
2017 /10 9.00 Kyu 1 win 2 lose .333
2017 /09 9.00 Kyu 1 win 3 lose .250
2017 /08 2.97 Kyu 8 win 9 lose .470
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