Vikhlyaev Ivan
From Izhevsk, Russia
Common russian riichi rating (CRR)
Rating date Jan. 8, 2026 (latest changes Jan. 7, 2026).
289 place (77.13).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (69.77 * 3 * 1 + 421.05 * 1.30 * 1 + 0 + 0 + 0) / (3 * 1 + 1.30 * 1 + 1 + 1 + 1) = 103.65342465753426
p2 = (421.05 * 1.30 * 1 + 69.77 * 3 * 1) / max_coefficients = 50.613377926421414
score = 103.65342465753426 * 0.5 + 50.613377926421414 * 0.5 = 77.13340129197783
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-01-03 | 289 | 77.13 |
The Birth of the Club: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 421 |
|
12/20 | 100% | 1.30 | CRR | The Birth of the Club | Izhevsk | |
| 2 | 70 |
|
41/44 | 100% | 3.00 | RR | Two roosters and Chuckles | Kirov |