Tumanov Maksim
From Cherepovets, Russia
Common russian riichi rating (CRR)
Rating date Sept. 5, 2025 (latest changes Sept. 5, 2025).
241 place (152.67).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (231.58 * 3.85 * 0.86 + 298.70 * 3.45 * 1 + 0 + 0 + 0) / (3.85 * 0.86 + 3.45 * 1 + 1 + 1 + 1) = 184.07388432727322
p2 = (298.70 * 3.45 * 1 + 231.58 * 3.85 * 0.86) / max_coefficients = 121.26283783783784
score = 184.07388432727322 * 0.5 + 121.26283783783784 * 0.5 = 152.66836108255552
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-09-05 | 242 -> 241 | 152.67 | |
2025-09-03 | 251 -> 242 | 152.67 | |
2025-09-01 | 250 -> 251 | 156.53 -> 152.67 |
SPB Riichi Open 2024: 100% -> 86% |
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 | 86% | 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 |