Tkachenko Nikita
From Moscow, Russia
EMA: 15990049
Common russian riichi rating (CRR)
Rating date June 29, 2026 (latest changes June 29, 2026).
65 place (556.42).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (988.76 * 3.75 * 0.29 + 612.90 * 3.10 * 0.57 + 477.61 * 4.10 * 0.86 + 526.32 * 3.90 * 1 + 666.67 * 3 * 1 + 900 * 3.10 * 1 + 265.73 * 4.71 * 1) / (3.75 * 0.29 + 3.10 * 0.57 + 4.10 * 0.86 + 3.90 * 1 + 3 * 1 + 3.10 * 1 + 4.71 * 1) = 565.7055583838571
p2 = (900 * 3.10 * 1 + 526.32 * 3.90 * 1 + 666.67 * 3 * 1 + 477.61 * 4.10 * 0.86) / max_coefficients = 547.1266094820187
score = 565.7055583838571 * 0.5 + 547.1266094820187 * 0.5 = 556.4160839329379
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-06-26 | 64 -> 65 | 556.42 | |
| 2026-06-16 | 66 -> 64 | 556.42 | |
| 2026-06-15 | 63 -> 66 | 553.96 -> 556.42 |
13 bloody tiles: 100% -> 86% |
| 2026-06-14 | 37 -> 63 | 619.35 -> 553.96 |
XII Russian Championship: 0% -> 100% |
| 2026-06-13 | 33 -> 37 | 624.60 -> 619.35 |
Moscow Riichi 2024: 43% -> 29% |
| 2026-06-09 | 34 -> 33 | 624.60 | |
| 2026-06-02 | 36 -> 34 | 624.60 | |
| 2026-06-01 | 37 -> 36 | 624.60 | |
| 2026-05-26 | 38 -> 37 | 624.60 | |
| 2026-05-23 | 39 -> 38 | 624.60 |