Kashaev Rostislav
From Novosibirsk, Russia
Common russian riichi rating (CRR)
Rating date Nov. 5, 2025 (latest changes Nov. 5, 2025).
173 place (283.51).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (866.67 * 1.60 * 0.43 + 774.19 * 2.40 * 1 + 0 + 0 + 0) / (1.60 * 0.43 + 2.40 * 1 + 1 + 1 + 1) = 402.9718556104742
p2 = (774.19 * 2.40 * 1 + 866.67 * 1.60 * 0.43) / max_coefficients = 164.03946488294315
score = 402.9718556104742 * 0.5 + 164.03946488294315 * 0.5 = 283.50566024670866
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-05 | 160 -> 173 | 298.52 -> 283.51 |
Akademgorodok: Riichi Mahjong Tournament 2024: 57% -> 43% |
| 2025-11-04 | 155 -> 160 | 302.55 -> 298.52 | |
| 2025-11-01 | 156 -> 155 | 302.22 -> 302.55 | |
| 2025-10-13 | 156 | 299.42 -> 302.22 | |
| 2025-10-09 | 157 -> 156 | 299.42 | |
| 2025-09-30 | 158 -> 157 | 299.42 | |
| 2025-09-12 | 160 -> 158 | 299.42 | |
| 2025-09-10 | 162 -> 160 | 299.42 | |
| 2025-09-05 | 156 -> 162 | 313.92 -> 299.42 |
Akademgorodok: Riichi Mahjong Tournament 2024: 71% -> 57% |
| 2025-09-03 | 158 -> 156 | 313.92 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 774 |
|
8/32 | 100% | 2.40 | CRR | Akademgorodok Riichi Mahjong Tournament 2025 | Novosibirsk | |
| 2 | 867 |
|
🥉 | 3/16 | 43% | 1.60 | CRR | Akademgorodok: Riichi Mahjong Tournament 2024 | Novosibirsk |
| 3 | 467 |
|
9/16 | 0% | 1.60 | CRR | Riichi Tournament 2022 | Novosibirsk |