Tumanin Andrei
From Samara, Russia
Common russian riichi rating (CRR)
Rating date Nov. 9, 2023 (latest changes Nov. 9, 2023).
20 place (589.94).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.80 * 1) = 14.149820000000002
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 = 572.7811378519302
score = 607.1055639701509 * 0.5 + 572.7811378519302 * 0.5 = 589.9433509110406
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-11-06 | 19 -> 20 | 584.76 -> 589.94 |
IX Russian Riichi Championship: 100% -> 86% |
2023-11-05 | 18 -> 19 | 584.76 | |
2023-10-22 | 17 -> 18 | 584.76 | |
2023-10-12 | 18 -> 17 | 582.98 -> 584.76 | |
2023-09-03 | 52 -> 18 | 413.23 -> 582.98 |
SPB Riichi Open 2023: 0% -> 100% |
2023-08-19 | 53 -> 52 | 413.23 | |
2023-08-12 | 54 -> 53 | 405.75 -> 413.23 | |
2023-07-20 | 56 -> 54 | 405.75 | |
2023-07-03 | 59 -> 56 | 405.75 | |
2023-06-12 | 63 -> 59 | 398.85 -> 405.75 |
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 |