Zakharenkov Maksim
From Saint Petersburg, Russia
EMA: 15990292
Common russian riichi rating (CRR)
Rating date Aug. 3, 2025 (latest changes July 30, 2025).
278 place (49.09).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35
p1 = (195.65 * 2.10 * 0.57 + 73.68 * 3.85 * 1 + 0 + 0 + 0) / (2.10 * 0.57 + 3.85 * 1 + 1 + 1 + 1) = 64.40420673942913
p2 = (73.68 * 3.85 * 1 + 195.65 * 2.10 * 0.57) / max_coefficients = 33.77524429967427
score = 64.40420673942913 * 0.5 + 33.77524429967427 * 0.5 = 49.0897255195517
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-07-30 | 276 -> 278 | 53.36 -> 49.09 |
Seihoku spring tournament 2024: 71% -> 57% |
| 2025-07-26 | 271 -> 276 | 53.36 | |
| 2025-07-13 | 268 -> 271 | 53.36 | |
| 2025-07-12 | 268 | 53.01 -> 53.36 | |
| 2025-07-05 | 269 -> 268 | 53.01 | |
| 2025-07-03 | 271 -> 269 | 53.01 | |
| 2025-06-15 | 262 -> 271 | 53.56 -> 53.01 | |
| 2025-06-14 | 257 -> 262 | 53.56 | |
| 2025-06-11 | 263 -> 257 | 53.56 | |
| 2025-06-08 | 261 -> 263 | 53.56 |