Zakharenkov Maksim
From Saint Petersburg, Russia
EMA: 15990292
Internal rating (RR)
Rating date Oct. 10, 2025 (latest changes Oct. 9, 2025).
213 place (43.28).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (73.68 * 3.85 * 0.86 + 195.65 * 2.10 * 0.43 + 0 + 0 + 0) / (3.85 * 0.86 + 2.10 * 0.43 + 1 + 1 + 1) = 58.23001585439788
p2 = (73.68 * 3.85 * 0.86 + 195.65 * 2.10 * 0.43) / max_coefficients = 28.3277027027027
score = 58.23001585439788 * 0.5 + 28.3277027027027 * 0.5 = 43.278859278550286
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-30 | 211 -> 213 | 48.01 -> 43.28 |
Seihoku spring tournament 2024: 57% -> 43% |
| 2025-09-03 | 216 -> 211 | 48.01 | |
| 2025-09-01 | 216 | 49.26 -> 48.01 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 208 -> 216 | 49.26 | |
| 2025-08-04 | 208 | 49.09 -> 49.26 | |
| 2025-08-03 | 201 -> 208 | 49.09 | |
| 2025-07-30 | 201 | 53.36 -> 49.09 |
Seihoku spring tournament 2024: 71% -> 57% |
| 2025-07-13 | 197 -> 201 | 53.36 | |
| 2025-07-12 | 197 | 53.01 -> 53.36 | |
| 2025-07-03 | 199 -> 197 | 53.01 |