Tumanov Maksim
From Cherepovets, Russia
Internal rating (RR)
Rating date Nov. 1, 2025 (latest changes Nov. 1, 2025).
195 place (148.92).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.25 * 1) = 14.3
p1 = (231.58 * 3.85 * 0.71 + 298.70 * 3.45 * 1 + 0 + 0 + 0) / (3.85 * 0.71 + 3.45 * 1 + 1 + 1 + 1) = 181.23478609638744
p2 = (298.70 * 3.45 * 1 + 231.58 * 3.85 * 0.71) / max_coefficients = 116.59930069930068
score = 181.23478609638744 * 0.5 + 116.59930069930068 * 0.5 = 148.91704339784405
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-01 | 195 | 154.57 -> 148.92 |
SPB Riichi Open 2024: 86% -> 71% |
| 2025-10-13 | 195 | 152.67 -> 154.57 | |
| 2025-09-03 | 199 -> 195 | 152.67 | |
| 2025-09-01 | 200 -> 199 | 156.53 -> 152.67 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 200 | 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 | 71% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg |