Tumanov Maksim
From Cherepovets, Russia
Common russian riichi rating (CRR)
Rating date Aug. 31, 2025 (latest changes Aug. 31, 2025).
250 place (156.53).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
p1 = (231.58 * 3.85 * 1 + 298.70 * 3.45 * 1 + 0 + 0 + 0) / (3.85 * 1 + 3.45 * 1 + 1 + 1 + 1) = 186.61165048543688
p2 = (298.70 * 3.45 * 1 + 231.58 * 3.85 * 1) / max_coefficients = 126.45394736842105
score = 186.61165048543688 * 0.5 + 126.45394736842105 * 0.5 = 156.53279892692896
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-08-31 | 250 | 156.53 |
SPB Riichi Open 2025: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 299 |
|
55/78 | 100% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 2 | 232 |
|
74/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 3 | 182 |
|
10/12 | 0% | 0.90 | CRR | "Haku no Ten" summer riichi mahjong tournament 2013 | Vologda |