Tumanov Maksim
From Cherepovets, Russia
Internal rating (RR)
Rating date July 2, 2026 (latest changes July 2, 2026).
183 place (232.01).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (231.58 * 3.85 * 0.14 + 298.70 * 3.45 * 1 + 459.46 * 3.40 * 1 + 0 + 0) / (3.85 * 0.14 + 3.45 * 1 + 3.40 * 1 + 1 + 1) = 289.36619729547306
p2 = (459.46 * 3.40 * 1 + 298.70 * 3.45 * 1 + 231.58 * 3.85 * 0.14) / max_coefficients = 174.6546030559692
score = 289.36619729547306 * 0.5 + 174.6546030559692 * 0.5 = 232.01040017572114
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-07-02 | 184 -> 183 | 232.01 | |
| 2026-07-01 | 184 | 234.50 -> 232.01 |
SPB Riichi Open 2024: 29% -> 14% |
| 2026-06-26 | 185 -> 184 | 234.50 | |
| 2026-06-16 | 188 -> 185 | 234.50 | |
| 2026-06-15 | 187 -> 188 | 231.19 -> 234.50 | |
| 2026-06-14 | 169 -> 187 | 238.96 -> 231.19 | |
| 2026-06-13 | 171 -> 169 | 238.96 | |
| 2026-06-09 | 173 -> 171 | 238.96 | |
| 2026-06-04 | 174 -> 173 | 238.96 | |
| 2026-06-02 | 175 -> 174 | 238.96 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 459 |
|
41/75 | 100% | 3.40 | RR | White Wolf Cup 2026 | Saint Petersburg | |
| 2 | 299 |
|
55/78 | 100% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 3 | 232 |
|
74/96 | 14% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg |