Monthly record of Istom's rank (dan/kyu)
| month |
dan/kyu |
win/lose |
win ratio |
| 2025
/03 |
8.00 Kyu |
2 win 9 lose |
.181 |
| 2025
/02 |
3.07 Dan |
19 win 30 lose |
.387 |
| 2025
/01 |
2.29 Dan |
48 win 96 lose |
.333 |
| 2024
/12 |
2.58 Dan |
65 win 93 lose |
.411 |
| 2024
/11 |
2.20 Dan |
68 win 55 lose |
.552 |
| 2024
/10 |
1.77 Dan |
93 win 86 lose |
.519 |
| 2024
/06 |
10 Kyu |
0 win 1 lose |
.000 |
| 2024
/05 |
9.00 Kyu |
1 win 2 lose |
.333 |
| 2024
/04 |
8.00 Kyu |
2 win 4 lose |
.333 |
| 2023
/11 |
8.00 Kyu |
2 win 1 lose |
.666 |
| 2023
/10 |
1.99 Dan |
31 win 24 lose |
.563 |
| 2023
/09 |
1.93 Dan |
87 win 62 lose |
.583 |
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