Monthly record of kosima's rank (dan/kyu)
month dan/kyu win/lose win ratio
2017 /08 10 Kyu 0 win 1 lose .000
2017 /07 9.00 Kyu 1 win 0 lose 1.00
2017 /06 10 Kyu 0 win 2 lose .000
2016 /11 10 Kyu 0 win 1 lose .000
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