Monthly record of optbio's rank (dan/kyu)
month dan/kyu win/lose win ratio
2020 /03 3.08 Kyu 7 win 7 lose .500
2020 /02 2.73 Kyu 37 win 40 lose .480
2020 /01 3.25 Kyu 18 win 19 lose .486
2019 /12 10 Kyu 0 win 1 lose .000
2019 /08 9.00 Kyu 1 win 2 lose .333
2019 /06 10 Kyu 0 win 1 lose .000
2019 /05 8.00 Kyu 2 win 1 lose .666
2019 /04 9.00 Kyu 1 win 1 lose .500
2019 /03 6.00 Kyu 4 win 6 lose .400
2019 /02 2.61 Kyu 10 win 11 lose .476
2019 /01 3.00 Kyu 7 win 9 lose .437
2018 /12 3.17 Kyu 12 win 20 lose .375
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