Tumanin Andrei
From Samara, Russia
Internal rating (RR)
Rating date Oct. 1, 2023 (latest changes Oct. 1, 2023).
14 place (582.98).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (466.67 * 4.20 * 1 + 816.09 * 3.75 * 1 + 841.12 * 4 * 1 + 0 + 0) / (4.20 * 1 + 3.75 * 1 + 4 * 1 + 1 + 1) = 601.063082437276
p2 = (841.12 * 4 * 1 + 816.09 * 3.75 * 1 + 466.67 * 4.20 * 1) / max_coefficients = 564.9045352614362
score = 601.063082437276 * 0.5 + 564.9045352614362 * 0.5 = 582.9838088493561
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-09-03 | 44 -> 14 | 424.69 -> 582.98 |
SPB Riichi Open 2023: 0% -> 100% |
| 2023-09-01 | 44 | 424.69 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 841 |
|
18/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 2 | 816 |
|
17/88 | 100% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 3 | 467 |
|
41/76 | 100% | 4.20 | RR | IX Russian Riichi Championship | Perm |