Monthly record of Coper's rank (dan/kyu)
| month |
dan/kyu |
win/lose |
win ratio |
| 2017
/09
| 1.00 Kyu |
9 win 1 lose |
.900 |
| 2017
/08
| 5.10 Dan |
25 win 7 lose |
.781 |
| 2016
/09
| 4.37 Dan |
43 win 40 lose |
.518 |
| 2016
/08
| 4.48 Dan |
46 win 41 lose |
.528 |
| 2016
/07
| 4.42 Dan |
43 win 45 lose |
.488 |
| 2016
/06
| 4.34 Dan |
56 win 34 lose |
.622 |
| 2016
/05
| 4.15 Dan |
60 win 29 lose |
.674 |
| 2016
/04
| 4.27 Dan |
58 win 32 lose |
.644 |
| 2016
/03
| 4.13 Dan |
56 win 37 lose |
.602 |
| 2016
/02
| 4.19 Dan |
56 win 31 lose |
.643 |
| 2016
/01
| 4.18 Dan |
50 win 31 lose |
.617 |
| 2015
/12
| 4.09 Dan |
52 win 35 lose |
.597 |
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