Nikonenko Yaroslav
From Barnaul, Russia
Common russian riichi rating (CRR)
Rating date June 1, 2025 (latest changes May 30, 2025).
196 place (229.44).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (933.33 * 1.60 * 0.86 + 375 * 2.20 * 1 + 0 + 0 + 0) / (1.60 * 0.86 + 2.20 * 1 + 1 + 1 + 1) = 320.32029899442426
p2 = (933.33 * 1.60 * 0.86 + 375 * 2.20 * 1) / max_coefficients = 138.54979970591063
score = 320.32029899442426 * 0.5 + 138.54979970591063 * 0.5 = 229.43504935016745
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-05-19 | 198 -> 196 | 229.44 | |
| 2025-05-17 | 196 -> 198 | 229.44 | |
| 2025-05-12 | 197 -> 196 | 226.56 -> 229.44 | |
| 2025-05-10 | 196 -> 197 | 226.56 | |
| 2025-05-05 | 190 -> 196 | 243.60 -> 226.56 |
Akademgorodok: Riichi Mahjong Tournament 2024: 100% -> 86% |
| 2025-05-03 | 186 -> 190 | 243.60 | |
| 2025-04-27 | 182 -> 186 | 243.60 | |
| 2025-04-26 | 179 -> 182 | 243.60 | |
| 2025-04-25 | 180 -> 179 | 243.60 | |
| 2025-04-22 | 181 -> 180 | 243.60 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 375 |
|
16/25 | 100% | 2.20 | CRR | Akademgorodok Riichi Mahjong Tournament 2025 | Novosibirsk |
| 2 | 933 |
|
2/16 | 86% | 1.60 | CRR | Akademgorodok: Riichi Mahjong Tournament 2024 | Novosibirsk |