Dyuzhenkov Ivan
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date June 9, 2025 (latest changes June 9, 2025).
267 place (47.21).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (96.77 * 3.10 * 1 + 78.43 * 3.05 * 1 + 0 + 0 + 0) / (3.10 * 1 + 3.05 * 1 + 1 + 1 + 1) = 58.93114754098361
p2 = (96.77 * 3.10 * 1 + 78.43 * 3.05 * 1) / max_coefficients = 35.492138967106484
score = 58.93114754098361 * 0.5 + 35.492138967106484 * 0.5 = 47.21164325404504
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-06-08 | 265 -> 267 | 47.21 | |
| 2025-05-17 | 262 -> 265 | 47.21 | |
| 2025-05-12 | 263 -> 262 | 46.48 -> 47.21 | |
| 2025-05-03 | 258 -> 263 | 46.48 | |
| 2025-05-01 | 263 -> 258 | 46.48 | |
| 2025-04-27 | 258 -> 263 | 46.48 | |
| 2025-04-26 | 256 -> 258 | 46.48 | |
| 2025-04-22 | 260 -> 256 | 46.48 | |
| 2025-04-13 | 256 -> 260 | 46.48 | |
| 2025-04-11 | 257 -> 256 | 46.48 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 78 |
|
48/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow |
| 2 | 97 |
|
29/32 | 100% | 3.10 | RR | Moscow Open Riichi Marathon | Moscow |