Monthly record of okahara's rank (dan/kyu)
month dan/kyu win/lose win ratio
2017 /12 1.37 Dan 39 win 27 lose .590
2017 /11 1.40 Dan 38 win 32 lose .542
2017 /10 1.77 Dan 46 win 31 lose .597
2017 /09 1.46 Dan 43 win 29 lose .597
2017 /08 1.04 Dan 46 win 34 lose .575
2017 /07 1.02 Dan 43 win 38 lose .530
2017 /06 1.00 Dan 46 win 35 lose .567
2017 /05 1.54 Dan 51 win 28 lose .645
2017 /04 0.06 Kyu 42 win 37 lose .531
2017 /03 0.04 Kyu 42 win 30 lose .583
2017 /02 0.45 Kyu 38 win 31 lose .550
2017 /01 1.04 Dan 42 win 39 lose .518
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