Kashaev Rostislav
From Novosibirsk, Russia
Common russian riichi rating (CRR)
Rating date May 6, 2026 (latest changes May 5, 2026).
172 place (323.00).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85
p1 = (774.19 * 2.40 * 0.86 + 657.14 * 2.50 * 1 + 0 + 0 + 0) / (2.40 * 0.86 + 2.50 * 1 + 1 + 1 + 1) = 428.13191408276253
p2 = (657.14 * 2.50 * 1 + 774.19 * 2.40 * 0.86) / max_coefficients = 217.87272727272727
score = 428.13191408276253 * 0.5 + 217.87272727272727 * 0.5 = 323.00232067774493
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-05-05 | 137 -> 172 | 368.61 -> 323.00 |
Akademgorodok: Riichi Mahjong Tournament 2024: 14% -> 0% |
| 2026-05-03 | 139 -> 137 | 367.84 -> 368.61 | |
| 2026-05-01 | 142 -> 139 | 367.84 | |
| 2026-04-26 | 143 -> 142 | 367.84 | |
| 2026-04-19 | 225 -> 143 | 229.28 -> 367.84 |
Akademgorodok Riichi Mahjong Tournament 2026: 0% -> 100% |
| 2026-04-16 | 226 -> 225 | 229.28 | |
| 2026-04-13 | 213 -> 226 | 251.43 -> 229.28 |
Akademgorodok Riichi Mahjong Tournament 2025: 100% -> 86% |
| 2026-04-11 | 205 -> 213 | 251.43 | |
| 2026-04-09 | 206 -> 205 | 251.43 | |
| 2026-04-05 | 203 -> 206 | 251.43 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 657 |
|
13/36 | 100% | 2.50 | CRR | Akademgorodok Riichi Mahjong Tournament 2026 | Novosibirsk | |
| 2 | 774 |
|
8/32 | 86% | 2.40 | CRR | Akademgorodok Riichi Mahjong Tournament 2025 | Novosibirsk | |
| 3 | 867 |
|
🥉 | 3/16 | 0% | 1.60 | CRR | Akademgorodok: Riichi Mahjong Tournament 2024 | Novosibirsk |
| 4 | 467 |
|
9/16 | 0% | 1.60 | CRR | Riichi Tournament 2022 | Novosibirsk |