Monthly record of birkin's rank (dan/kyu)
| month |
dan/kyu |
win/lose |
win ratio |
| 2024
/04
| 6.00 Kyu |
4 win 3 lose |
.571 |
| 2024
/03
| 1.00 Dan |
10 win 8 lose |
.555 |
| 2024
/02
| 2.00 Dan |
11 win 0 lose |
1.00 |
| 2024
/01
| 4.63 Dan |
23 win 9 lose |
.718 |
| 2023
/12
| 3.24 Dan |
21 win 18 lose |
.538 |
| 2023
/11
| 4.55 Dan |
21 win 12 lose |
.636 |
| 2023
/10
| 3.92 Dan |
19 win 13 lose |
.593 |
| 2023
/09
| 3.98 Dan |
24 win 13 lose |
.648 |
| 2023
/08
| 1.00 Kyu |
9 win 11 lose |
.450 |
| 2023
/07
| 4.08 Dan |
14 win 9 lose |
.608 |
| 2023
/06
| 6.00 Kyu |
4 win 7 lose |
.363 |
| 2023
/05
| 1.00 Dan |
10 win 7 lose |
.588 |
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