Monthly record of O_wen's rank (dan/kyu)
month dan/kyu win/lose win ratio
2018 /07 7.03 Dan 51 win 15 lose .772
2018 /06 7.11 Dan 106 win 32 lose .768
2018 /05 6.96 Dan 101 win 39 lose .721
2018 /04 7.39 Dan 127 win 19 lose .869
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