Monthly record of Ostergren's rank (dan/kyu)
| month |
dan/kyu |
win/lose |
win ratio |
| 2024
/05
| 1.00 Dan |
10 win 10 lose |
.500 |
| 2024
/04
| 1.00 Dan |
10 win 15 lose |
.400 |
| 2024
/03
| 3.38 Dan |
17 win 27 lose |
.386 |
| 2024
/02
| 3.04 Dan |
16 win 25 lose |
.390 |
| 2024
/01
| 3.86 Dan |
16 win 17 lose |
.484 |
| 2023
/12
| 1.00 Kyu |
9 win 19 lose |
.321 |
| 2023
/11
| 3.00 Kyu |
7 win 5 lose |
.583 |
| 2023
/10
| 8.00 Kyu |
2 win 7 lose |
.222 |
| 2023
/09
| 2.00 Kyu |
8 win 11 lose |
.421 |
| 2023
/08
| 3.05 Dan |
18 win 30 lose |
.375 |
| 2023
/07
| 4.09 Dan |
26 win 22 lose |
.541 |
| 2023
/06
| 3.84 Dan |
17 win 21 lose |
.447 |
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