Nikonenko Yaroslav
From Barnaul, Russia
Common russian riichi rating (CRR)
Rating date July 12, 2025 (latest changes July 12, 2025).
206 place (210.74).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35
p1 = (933.33 * 1.60 * 0.71 + 375 * 2.20 * 1 + 0 + 0 + 0) / (1.60 * 0.71 + 2.20 * 1 + 1 + 1 + 1) = 298.23833968165883
p2 = (933.33 * 1.60 * 0.71 + 375 * 2.20 * 1) / max_coefficients = 123.23713355048861
score = 298.23833968165883 * 0.5 + 123.23713355048861 * 0.5 = 210.73773661607373
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-07-12 | 206 | 209.58 -> 210.74 | |
| 2025-07-05 | 200 -> 206 | 227.44 -> 209.58 |
Akademgorodok: Riichi Mahjong Tournament 2024: 86% -> 71% |
| 2025-07-03 | 202 -> 200 | 227.44 | |
| 2025-06-15 | 194 -> 202 | 229.44 -> 227.44 | |
| 2025-06-14 | 191 -> 194 | 229.44 | |
| 2025-06-11 | 196 -> 191 | 229.44 | |
| 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 |
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 | 71% | 1.60 | CRR | Akademgorodok: Riichi Mahjong Tournament 2024 | Novosibirsk |