Tkachenko Nikita
From Moscow, Russia
EMA: 15990049
Internal rating (RR)
Rating date April 14, 2026 (latest changes April 13, 2026).
36 place (622.08).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (988.76 * 3.75 * 0.43 + 612.90 * 3.10 * 0.71 + 477.61 * 4.10 * 1 + 526.32 * 3.90 * 1 + 666.67 * 3 * 1 + 900 * 3.10 * 1) / (3.75 * 0.43 + 3.10 * 0.71 + 4.10 * 1 + 3.90 * 1 + 3 * 1 + 3.10 * 1) = 655.4779210315163
p2 = (900 * 3.10 * 1 + 526.32 * 3.90 * 1 + 666.67 * 3 * 1 + 477.61 * 4.10 * 1) / max_coefficients = 588.6849498327759
score = 655.4779210315163 * 0.5 + 588.6849498327759 * 0.5 = 622.0814354321461
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-04-13 | 33 -> 36 | 632.28 -> 622.08 |
Moscow Riichi 2024: 57% -> 43% |
| 2026-04-11 | 31 -> 33 | 632.28 | |
| 2026-04-05 | 43 -> 31 | 580.76 -> 632.28 |
Moscow Riichi 2026: 0% -> 100% |
| 2026-03-30 | 44 -> 43 | 580.76 | |
| 2026-03-07 | 45 -> 44 | 580.69 -> 580.76 |
Moscow Open Riichi Marathon: 86% -> 71% |
| 2026-03-01 | 48 -> 45 | 580.69 | |
| 2026-02-23 | 40 -> 48 | 580.69 | |
| 2026-02-13 | 36 -> 40 | 604.50 -> 580.69 |
Moscow Riichi 2024: 71% -> 57% |
| 2026-02-04 | 37 -> 36 | 604.50 | |
| 2026-02-02 | 39 -> 37 | 604.50 |