Osipenko Aleksei
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date June 8, 2026 (latest changes June 8, 2026).
280 place (155.69).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85
p1 = (270.27 * 3.40 * 1 + 240 * 3.10 * 1 + 119.05 * 2.90 * 1 + 0 + 0) / (3.40 * 1 + 3.10 * 1 + 2.90 * 1 + 1 + 1) = 176.15438596491228
p2 = (270.27 * 3.40 * 1 + 240 * 3.10 * 1 + 119.05 * 2.90 * 1) / max_coefficients = 135.22962962962964
score = 176.15438596491228 * 0.5 + 135.22962962962964 * 0.5 = 155.69200779727095
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-06-04 | 281 -> 280 | 155.69 | |
| 2026-05-31 | 273 -> 281 | 155.69 | |
| 2026-05-25 | 277 -> 273 | 155.69 | |
| 2026-05-23 | 278 -> 277 | 155.69 | |
| 2026-05-17 | 276 -> 278 | 155.69 | |
| 2026-05-14 | 278 -> 276 | 155.69 | |
| 2026-05-12 | 283 -> 278 | 155.69 | |
| 2026-05-11 | 282 -> 283 | 155.69 | |
| 2026-05-03 | 281 -> 282 | 143.14 -> 155.69 |
Sturgeon in tempai: 0% -> 100% |
| 2026-04-19 | 271 -> 281 | 143.14 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 119 |
|
38/43 | 100% | 2.90 | RR | Sturgeon in tempai | Saratov | |
| 2 | 240 |
|
39/51 | 100% | 3.10 | RR | Moscow Riichi 2026 | Moscow | |
| 3 | 270 |
|
55/75 | 100% | 3.40 | RR | White Wolf Cup 2026 | Saint Petersburg |