Sedavnykh Nikita
From Yekaterinburg, Russia
Common russian riichi rating (CRR)
Rating date Dec. 25, 2025 (latest changes Dec. 25, 2025).
257 place (132.86).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (407.41 * 2.30 * 0.14 + 531.91 * 2.80 * 0.57 + 0 + 0 + 0) / (2.30 * 0.14 + 2.80 * 0.57 + 1 + 1 + 1) = 199.83808756662657
p2 = (531.91 * 2.80 * 0.57 + 407.41 * 2.30 * 0.14) / max_coefficients = 65.8809364548495
score = 199.83808756662657 * 0.5 + 65.8809364548495 * 0.5 = 132.85951201073803
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-12-25 | 253 -> 257 | 143.82 -> 132.86 |
Chasing Kan: 29% -> 14% |
| 2025-12-13 | 254 -> 253 | 143.82 | |
| 2025-12-09 | 255 -> 254 | 143.82 | |
| 2025-12-07 | 253 -> 255 | 143.82 | |
| 2025-12-06 | 250 -> 253 | 143.82 | |
| 2025-11-30 | 249 -> 250 | 143.82 | |
| 2025-11-25 | 250 -> 249 | 143.82 | |
| 2025-11-14 | 242 -> 250 | 162.22 -> 143.82 |
Guardian of the Winds: 71% -> 57% |
| 2025-11-04 | 233 -> 242 | 164.25 -> 162.22 | |
| 2025-11-01 | 233 | 164.08 -> 164.25 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 532 |
|
23/48 | 57% | 2.80 | RR | Guardian of the Winds | Yekaterinburg | |
| 2 | 407 |
|
17/28 | 14% | 2.30 | CRR | Chasing Kan | Yekaterinburg | |
| 3 | 263 |
|
15/20 | 0% | 2.10 | CRR | 13 tiles until tempai | Yekaterinburg |