Monthly record of Koichiro77's rank (dan/kyu)
month dan/kyu win/lose win ratio
2019 /11 3.14 Dan 124 win 155 lose .444
2019 /10 3.89 Dan 783 win 805 lose .493
2019 /09 1.56 Kyu 850 win 1113 lose .433
2019 /08 1.88 Kyu 67 win 158 lose .297
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