Tumanin Andrei
From Samara, Russia
Internal rating (RR)
Rating date Jan. 20, 2024 (latest changes Jan. 20, 2024).
7 place (620.20).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 4.05 * 0.43) = 12.485890000000001
p1 = (466.67 * 4.20 * 0.71 + 816.09 * 3.75 * 1 + 841.12 * 4 * 1 + 0 + 0) / (4.20 * 0.71 + 3.75 * 1 + 4 * 1 + 1 + 1) = 613.7116217492309
p2 = (841.12 * 4 * 1 + 816.09 * 3.75 * 1 + 466.67 * 4.20 * 0.71) / max_coefficients = 626.6962146871388
score = 613.7116217492309 * 0.5 + 626.6962146871388 * 0.5 = 620.2039182181848
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2023-09-03 | 45 -> 15 | 424.69 -> 582.98 |
SPB Riichi Open 2023: 0% -> 100% |
| 2023-08-12 | 49 -> 45 | 416.27 -> 424.69 |
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 | 71% | 4.20 | RR | IX Russian Riichi Championship |