Nikonenko Yaroslav
From Barnaul, Russia
Common russian riichi rating (CRR)
Rating date Nov. 30, 2025 (latest changes Nov. 30, 2025).
207 place (206.56).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (933.33 * 1.60 * 0.43 + 375 * 2.20 * 1 + 210.53 * 3.90 * 1 + 0 + 0) / (1.60 * 0.43 + 2.20 * 1 + 3.90 * 1 + 1 + 1) = 260.2040119466045
p2 = (375 * 2.20 * 1 + 210.53 * 3.90 * 1 + 933.33 * 1.60 * 0.43) / max_coefficients = 152.91571906354517
score = 260.2040119466045 * 0.5 + 152.91571906354517 * 0.5 = 206.55986550507484
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-22 | 205 -> 207 | 206.56 | |
| 2025-11-19 | 206 -> 205 | 206.56 | |
| 2025-11-12 | 209 -> 206 | 206.56 | |
| 2025-11-10 | 208 -> 209 | 206.56 | |
| 2025-11-05 | 203 -> 208 | 222.22 -> 206.56 |
Akademgorodok: Riichi Mahjong Tournament 2024: 57% -> 43% |
| 2025-11-04 | 214 -> 203 | 195.93 -> 222.22 |
XI Russian Championship: 0% -> 100% |
| 2025-11-01 | 214 | 195.72 -> 195.93 | |
| 2025-10-13 | 213 -> 214 | 193.94 -> 195.72 | |
| 2025-10-09 | 214 -> 213 | 193.94 | |
| 2025-10-04 | 217 -> 214 | 193.94 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 211 |
|
46/58 | 100% | 3.90 | RR | XI Russian Championship | Moscow | |
| 2 | 375 |
|
16/25 | 100% | 2.20 | CRR | Akademgorodok Riichi Mahjong Tournament 2025 | Novosibirsk | |
| 3 | 933 |
|
🥈 | 2/16 | 43% | 1.60 | CRR | Akademgorodok: Riichi Mahjong Tournament 2024 | Novosibirsk |