Tkachenko Nikita
From Moscow, Russia
EMA: 15990049
Common russian riichi rating (CRR)
Rating date Nov. 5, 2025 (latest changes Nov. 5, 2025).
44 place (600.72).
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 * 0.86 + 612.90 * 3.10 * 1 + 477.61 * 4.10 * 1 + 526.32 * 3.90 * 1 + 0) / (3.75 * 0.86 + 3.10 * 1 + 4.10 * 1 + 3.90 * 1 + 1) = 593.494567923404
p2 = (988.76 * 3.75 * 0.86 + 526.32 * 3.90 * 1 + 477.61 * 4.10 * 1 + 612.90 * 3.10 * 1) / max_coefficients = 607.9498327759197
score = 593.494567923404 * 0.5 + 607.9498327759197 * 0.5 = 600.7222003496619
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-04 | 66 -> 44 | 529.42 -> 600.72 |
XI Russian Championship: 0% -> 100% |
| 2025-11-01 | 68 -> 66 | 528.56 -> 529.42 | |
| 2025-10-25 | 69 -> 68 | 528.56 | |
| 2025-10-13 | 62 -> 69 | 547.74 -> 528.56 |
Moscow Riichi 2024: 100% -> 86% |
| 2025-09-12 | 64 -> 62 | 547.74 | |
| 2025-09-10 | 65 -> 64 | 547.74 | |
| 2025-09-03 | 66 -> 65 | 547.74 | |
| 2025-09-01 | 67 -> 66 | 541.01 -> 547.74 | |
| 2025-08-31 | 63 -> 67 | 541.01 | |
| 2025-08-26 | 62 -> 63 | 541.01 |