Monthly record of Kosatobirina's rank (dan/kyu)
| month |
dan/kyu |
win/lose |
win ratio |
| 2024
/05
| 10 Kyu |
0 win 1 lose |
.000 |
| 2024
/03
| 4.00 Kyu |
6 win 2 lose |
.750 |
| 2024
/02
| 3.59 Dan |
13 win 9 lose |
.590 |
| 2024
/01
| 3.14 Dan |
17 win 13 lose |
.566 |
| 2021
/09
| 4.00 Kyu |
6 win 8 lose |
.428 |
| 2021
/07
| 7.00 Kyu |
3 win 7 lose |
.300 |
| 2021
/05
| 8.00 Kyu |
2 win 1 lose |
.666 |
| 2021
/04
| 6.00 Kyu |
4 win 4 lose |
.500 |
| 2021
/03
| 3.55 Dan |
25 win 13 lose |
.657 |
| 2021
/02
| 2.71 Dan |
15 win 12 lose |
.555 |
| 2021
/01
| 3.00 Kyu |
7 win 1 lose |
.875 |
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