Monthly record of river's rank (dan/kyu)
month dan/kyu win/lose win ratio
2017 /01 10 Kyu 0 win 1 lose .000
2016 /12 1.95 Kyu 35 win 42 lose .454
2016 /11 6.00 Kyu 4 win 6 lose .400
2016 /10 9.00 Kyu 1 win 1 lose .500
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