Tumanin Andrei
From Samara, Russia
Internal rating (RR)
Rating date Dec. 19, 2023 (latest changes Dec. 19, 2023).
10 place (613.23).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.43) = 13.085650000000001
p1 = (466.67 * 4.20 * 0.86 + 816.09 * 3.75 * 1 + 841.12 * 4 * 1 + 0 + 0) / (4.20 * 0.86 + 3.75 * 1 + 4 * 1 + 1 + 1) = 607.1055639701509
p2 = (841.12 * 4 * 1 + 816.09 * 3.75 * 1 + 466.67 * 4.20 * 0.86) / max_coefficients = 619.3616671697622
score = 607.1055639701509 * 0.5 + 619.3616671697622 * 0.5 = 613.2336155699566
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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 | 14 -> 13 | 600.13 | |
2023-11-06 | 14 | 594.44 -> 600.13 |
IX Russian Riichi Championship: 100% -> 86% |
2023-10-12 | 14 | 582.98 -> 594.44 | |
2023-09-03 | 44 -> 14 | 424.69 -> 582.98 |
SPB Riichi Open 2023: 0% -> 100% |
2023-08-12 | 48 -> 44 | 416.27 -> 424.69 | |
2023-07-20 | 49 -> 48 | 409.55 -> 416.27 | |
2023-06-12 | 51 -> 49 | 402.35 -> 409.55 |
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 | 86% | 4.20 | RR | IX Russian Riichi Championship |