Tumanov Maksim
From Cherepovets, Russia
Internal rating (RR)
Rating date May 3, 2026 (latest changes May 3, 2026).
176 place (238.96).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85
p1 = (231.58 * 3.85 * 0.29 + 298.70 * 3.45 * 1 + 459.46 * 3.40 * 1 + 0 + 0) / (3.85 * 0.29 + 3.45 * 1 + 3.40 * 1 + 1 + 1) = 286.17243612904394
p2 = (459.46 * 3.40 * 1 + 298.70 * 3.45 * 1 + 231.58 * 3.85 * 0.29) / max_coefficients = 191.74410774410777
score = 286.17243612904394 * 0.5 + 191.74410774410777 * 0.5 = 238.95827193657584
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-05-03 | 176 | 238.32 -> 238.96 | |
| 2026-05-01 | 177 -> 176 | 241.15 -> 238.32 |
SPB Riichi Open 2024: 43% -> 29% |
| 2026-04-26 | 178 -> 177 | 241.15 | |
| 2026-04-19 | 174 -> 178 | 241.15 | |
| 2026-04-13 | 176 -> 174 | 241.15 | |
| 2026-04-11 | 169 -> 176 | 241.15 | |
| 2026-04-09 | 170 -> 169 | 241.15 | |
| 2026-04-05 | 167 -> 170 | 241.15 | |
| 2026-03-26 | 168 -> 167 | 241.15 | |
| 2026-03-12 | 172 -> 168 | 241.15 |
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 | 29% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg |