Zaivyi Viktor
From Donetsk, Russia
Common russian riichi rating (CRR)
Rating date Aug. 31, 2026 (latest changes Aug. 31, 2026).
342 place (84.51).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (372.55 * 2.30 * 1 + 20 * 3.10 * 1 + 0 + 0 + 0) / (2.30 * 1 + 3.10 * 1 + 1 + 1 + 1) = 109.38809523809523
p2 = (372.55 * 2.30 * 1 + 20 * 3.10 * 1) / max_coefficients = 59.627514600908505
score = 109.38809523809523 * 0.5 + 59.627514600908505 * 0.5 = 84.50780491950187
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-08-31 | 342 | 84.41 -> 84.51 | |
| 2026-08-30 | 340 -> 342 | 84.41 | |
| 2026-08-16 | 337 -> 340 | 84.41 | |
| 2026-08-15 | 337 | 84.19 -> 84.41 | |
| 2026-08-13 | 338 -> 337 | 84.19 | |
| 2026-08-04 | 344 -> 338 | 84.19 | |
| 2026-08-02 | 333 -> 344 | 84.19 | |
| 2026-07-26 | 334 -> 333 | 84.19 | |
| 2026-07-25 | 330 -> 334 | 84.19 | |
| 2026-07-14 | 331 -> 330 | 84.19 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 20 |
|
50/51 | 100% | 3.10 | RR | Moscow Riichi 2026 | Moscow | |
| 2 | 373 |
|
33/52 | 100% | 2.30 | CRR | "Furin" club tournament: for the anniversary | Moscow |