Kashaev Rostislav
From Novosibirsk, Russia
Common russian riichi rating (CRR)
Rating date June 20, 2026 (latest changes June 16, 2026).
194 place (301.20).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (774.19 * 2.40 * 0.71 + 657.14 * 2.50 * 1 + 0 + 0 + 0) / (2.40 * 0.71 + 2.50 * 1 + 1 + 1 + 1) = 411.6923008682731
p2 = (657.14 * 2.50 * 1 + 774.19 * 2.40 * 0.71) / max_coefficients = 190.70624260391125
score = 411.6923008682731 * 0.5 + 190.70624260391125 * 0.5 = 301.19927173609216
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-06-15 | 194 | 297.74 -> 301.20 | |
| 2026-06-14 | 178 -> 194 | 305.85 -> 297.74 | |
| 2026-06-13 | 169 -> 178 | 323.00 -> 305.85 |
Akademgorodok Riichi Mahjong Tournament 2025: 86% -> 71% |
| 2026-06-04 | 170 -> 169 | 323.00 | |
| 2026-05-31 | 169 -> 170 | 323.00 | |
| 2026-05-17 | 166 -> 169 | 323.00 | |
| 2026-05-15 | 167 -> 166 | 323.00 | |
| 2026-05-12 | 172 -> 167 | 323.00 | |
| 2026-05-11 | 171 -> 172 | 323.00 | |
| 2026-05-05 | 137 -> 171 | 368.61 -> 323.00 |
Akademgorodok: Riichi Mahjong Tournament 2024: 14% -> 0% |
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 | 71% | 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 |