Nikonenko Yaroslav
From Barnaul, Russia
Common russian riichi rating (CRR)
Rating date Sept. 5, 2025 (latest changes Sept. 5, 2025).
219 place (193.94).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (933.33 * 1.60 * 0.57 + 375 * 2.20 * 1 + 0 + 0 + 0) / (1.60 * 0.57 + 2.20 * 1 + 1 + 1 + 1) = 274.48873449521113
p2 = (933.33 * 1.60 * 0.57 + 375 * 2.20 * 1) / max_coefficients = 113.39797297297297
score = 274.48873449521113 * 0.5 + 113.39797297297297 * 0.5 = 193.94335373409206
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-05 | 207 -> 219 | 213.03 -> 193.94 |
Akademgorodok: Riichi Mahjong Tournament 2024: 71% -> 57% |
| 2025-09-03 | 213 -> 207 | 213.03 | |
| 2025-09-01 | 214 -> 213 | 211.35 -> 213.03 | |
| 2025-08-31 | 213 -> 214 | 211.35 | |
| 2025-08-26 | 214 -> 213 | 211.35 | |
| 2025-08-25 | 216 -> 214 | 211.35 | |
| 2025-08-04 | 216 | 210.74 -> 211.35 | |
| 2025-08-03 | 212 -> 216 | 210.74 | |
| 2025-07-26 | 209 -> 212 | 210.74 | |
| 2025-07-19 | 210 -> 209 | 210.74 |
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 | 57% | 1.60 | CRR | Akademgorodok: Riichi Mahjong Tournament 2024 | Novosibirsk |