Monthly record of masahiroOba's rank (dan/kyu)
month dan/kyu win/lose win ratio
2019 /01 9.00 Kyu 1 win 2 lose .333
2018 /12 0.87 Kyu 15 win 11 lose .576
2018 /11 10 Kyu 0 win 2 lose .000
2018 /10 7.00 Kyu 3 win 3 lose .500
2018 /09 0.43 Kyu 16 win 12 lose .571
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