Zakharenkov Maksim
From Saint Petersburg, Russia
EMA: 15990292
Common russian riichi rating (CRR)
Rating date Dec. 10, 2025 (latest changes Dec. 9, 2025).
290 place (35.90).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (195.65 * 2.10 * 0.29 + 73.68 * 3.85 * 0.71 + 0 + 0 + 0) / (2.10 * 0.29 + 3.85 * 0.71 + 1 + 1 + 1) = 50.39822677863472
p2 = (73.68 * 3.85 * 0.71 + 195.65 * 2.10 * 0.29) / max_coefficients = 21.4066889632107
score = 50.39822677863472 * 0.5 + 21.4066889632107 * 0.5 = 35.90245787092271
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-12-07 | 287 -> 290 | 35.90 | |
| 2025-12-06 | 282 -> 287 | 35.90 | |
| 2025-11-30 | 281 -> 282 | 41.14 -> 35.90 |
Seihoku spring tournament 2024: 43% -> 29% |
| 2025-11-25 | 282 -> 281 | 41.14 | |
| 2025-11-04 | 278 -> 282 | 41.72 -> 41.14 | |
| 2025-11-01 | 278 | 43.72 -> 41.72 |
SPB Riichi Open 2024: 86% -> 71% |
| 2025-10-22 | 280 -> 278 | 43.72 | |
| 2025-10-13 | 280 | 43.28 -> 43.72 | |
| 2025-09-30 | 278 -> 280 | 48.01 -> 43.28 |
Seihoku spring tournament 2024: 57% -> 43% |
| 2025-09-03 | 288 -> 278 | 48.01 |