Kashaev Rostislav
From Novosibirsk, Russia
Common russian riichi rating (CRR)
Rating date Aug. 4, 2025 (latest changes Aug. 4, 2025).
178 place (284.76).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
p1 = (866.67 * 1.60 * 0.71 + 708.33 * 2.20 * 1 + 0 + 0 + 0) / (1.60 * 0.71 + 2.20 * 1 + 1 + 1 + 1) = 401.84111949146126
p2 = (708.33 * 2.20 * 1 + 866.67 * 1.60 * 0.71) / max_coefficients = 167.6861842105263
score = 401.84111949146126 * 0.5 + 167.6861842105263 * 0.5 = 284.76365185099377
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-08-04 | 178 | 283.94 -> 284.76 | |
| 2025-08-03 | 172 -> 178 | 283.94 | |
| 2025-07-26 | 170 -> 172 | 283.94 | |
| 2025-07-14 | 171 -> 170 | 283.94 | |
| 2025-07-13 | 167 -> 171 | 283.94 | |
| 2025-07-12 | 167 | 282.39 -> 283.94 | |
| 2025-07-05 | 159 -> 167 | 296.80 -> 282.39 |
Akademgorodok: Riichi Mahjong Tournament 2024: 86% -> 71% |
| 2025-07-03 | 160 -> 159 | 296.80 | |
| 2025-06-15 | 156 -> 160 | 299.40 -> 296.80 | |
| 2025-06-14 | 155 -> 156 | 299.40 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 708 |
|
8/25 | 100% | 2.20 | CRR | Akademgorodok Riichi Mahjong Tournament 2025 | Novosibirsk |
| 2 | 867 |
|
3/16 | 71% | 1.60 | CRR | Akademgorodok: Riichi Mahjong Tournament 2024 | Novosibirsk |
| 3 | 467 |
|
9/16 | 0% | 1.60 | CRR | Riichi Tournament 2022 | Novosibirsk |