Tkachenko Nikita
From Moscow, Russia
EMA: 15990049
Common russian riichi rating (CRR)
Rating date Nov. 3, 2026 (latest changes Nov. 3, 2026).
71 place (552.30).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (612.90 * 3.10 * 0.29 + 477.61 * 4.10 * 0.57 + 526.32 * 3.90 * 1 + 666.67 * 3 * 1 + 900 * 3.10 * 1 + 265.73 * 4.71 * 1 + 535.21 * 3.40 * 1) / (3.10 * 0.29 + 4.10 * 0.57 + 3.90 * 1 + 3 * 1 + 3.10 * 1 + 4.71 * 1 + 3.40 * 1) = 542.4823124122182
p2 = (900 * 3.10 * 1 + 526.32 * 3.90 * 1 + 666.67 * 3 * 1 + 535.21 * 3.40 * 1) / max_coefficients = 562.125243348475
score = 542.4823124122182 * 0.5 + 562.125243348475 * 0.5 = 552.3037778803466
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-10-31 | 72 -> 71 | 552.30 | |
| 2026-10-24 | 71 -> 72 | 552.30 | |
| 2026-10-15 | 72 -> 71 | 551.44 -> 552.30 |
13 bloody tiles: 71% -> 57% |
| 2026-10-13 | 70 -> 72 | 556.78 -> 551.44 |
Moscow Riichi 2024: 14% -> 0% |
| 2026-09-15 | 71 -> 70 | 556.78 | |
| 2026-09-07 | 71 | 557.38 -> 556.78 |
Moscow Open Riichi Marathon: 43% -> 29% |
| 2026-09-06 | 74 -> 71 | 545.23 -> 557.38 |
Sunset Wolf Cup 2026: 0% -> 100% |
| 2026-09-03 | 75 -> 74 | 545.23 | |
| 2026-09-01 | 76 -> 75 | 545.23 | |
| 2026-08-31 | 77 -> 76 | 544.37 -> 545.23 |