Monthly record of math's rank (dan/kyu)
month dan/kyu win/lose win ratio
2021 /08 4.00 Kyu 6 win 1 lose .857
2014 /10 9.00 Kyu 1 win 0 lose 1.00
2014 /03 7.00 Kyu 3 win 3 lose .500
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