Monthly record of katsuya1257's rank (dan/kyu)
month dan/kyu win/lose win ratio
2015 /04 9.00 Kyu 1 win 0 lose 1.00
2015 /03 8.00 Kyu 2 win 3 lose .400
2015 /02 3.22 Kyu 7 win 9 lose .437
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