Monthly record of kosai's rank (dan/kyu)
| month |
dan/kyu |
win/lose |
win ratio |
| 2024
/03
| 7.00 Kyu |
3 win 4 lose |
.428 |
| 2023
/02
| 1.85 Dan |
15 win 12 lose |
.555 |
| 2023
/01
| 8.00 Kyu |
2 win 2 lose |
.500 |
| 2022
/05
| 10 Kyu |
0 win 1 lose |
.000 |
| 2020
/12
| 9.00 Kyu |
1 win 0 lose |
1.00 |
| 2020
/04
| 7.00 Kyu |
3 win 3 lose |
.500 |
| 2019
/10
| 10 Kyu |
0 win 1 lose |
.000 |
| 2018
/10
| 8.00 Kyu |
2 win 1 lose |
.666 |
| 2018
/07
| 9.00 Kyu |
1 win 0 lose |
1.00 |
| 2017
/07
| 7.00 Kyu |
3 win 3 lose |
.500 |
| 2017
/05
| 1.00 Kyu |
9 win 4 lose |
.692 |
| 2017
/04
| 1.71 Dan |
99 win 79 lose |
.556 |
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