Tumanin Andrei
From Samara, Russia
Internal rating (RR)
Rating date March 6, 2024 (latest changes March 6, 2024).
6 place (644.12).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.57 + 4.05 * 0.29) = 11.306965
p1 = (466.67 * 4.20 * 0.57 + 816.09 * 3.75 * 1 + 841.12 * 4 * 1 + 0 + 0) / (4.20 * 0.57 + 3.75 * 1 + 4 * 1 + 1 + 1) = 620.9748573648465
p2 = (841.12 * 4 * 1 + 816.09 * 3.75 * 1 + 466.67 * 4.20 * 0.57) / max_coefficients = 667.2674762856346
score = 620.9748573648465 * 0.5 + 667.2674762856346 * 0.5 = 644.1211668252406
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-03-06 | 7 -> 6 | 635.43 -> 644.12 |
IX Russian Riichi Championship: 71% -> 57% |
| 2024-02-12 | 7 | 620.20 -> 635.43 | |
| 2024-01-20 | 9 -> 7 | 620.20 | |
| 2024-01-06 | 10 -> 9 | 613.23 -> 620.20 |
IX Russian Riichi Championship: 86% -> 71% |
| 2023-12-19 | 11 -> 10 | 613.23 | |
| 2023-12-12 | 12 -> 11 | 600.13 -> 613.23 | |
| 2023-11-28 | 13 -> 12 | 600.13 | |
| 2023-11-20 | 15 -> 13 | 600.13 | |
| 2023-11-06 | 15 | 594.44 -> 600.13 |
IX Russian Riichi Championship: 100% -> 86% |
| 2023-10-12 | 15 | 582.98 -> 594.44 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 841 |
|
18/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 2 | 816 |
|
17/88 | 100% | 3.75 | RR | Money can not buy tenpai |
| 3 | 467 |
|
41/76 | 57% | 4.20 | RR | IX Russian Riichi Championship |