Kashaev Rostislav
From Novosibirsk, Russia
Common russian riichi rating (CRR)
Rating date July 12, 2025 (latest changes July 12, 2025).
167 place (283.94).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35
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 = 166.04755700325734
score = 401.84111949146126 * 0.5 + 166.04755700325734 * 0.5 = 283.94433824735927
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2025-06-11 | 156 -> 155 | 299.40 | |
| 2025-05-30 | 157 -> 156 | 299.40 | |
| 2025-05-17 | 154 -> 157 | 299.40 | |
| 2025-05-12 | 155 -> 154 | 295.65 -> 299.40 | |
| 2025-05-05 | 150 -> 155 | 309.45 -> 295.65 |
Akademgorodok: Riichi Mahjong Tournament 2024: 100% -> 86% |
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 |