Li Aleksandr
From Irkutsk, Russia
Common russian riichi rating (CRR)
Rating date Feb. 19, 2023 (latest changes Feb. 19, 2023).
91 place (263.69).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 2.80 * 1) = 14.55
p1 = (1000 * 1.20 * 0.86 + 363.64 * 1.10 * 1 + 545.45 * 1.10 * 1 + 0 + 0) / (1.20 * 0.86 + 1.10 * 1 + 1.10 * 1 + 1 + 1) = 387.97212213016303
p2 = (1000 * 1.20 * 0.86 + 545.45 * 1.10 * 1 + 363.64 * 1.10 * 1) / max_coefficients = 139.4171821305842
score = 387.97212213016303 * 0.5 + 139.4171821305842 * 0.5 = 263.6946521303736
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-01-28 | 92 -> 91 | 262.95 -> 263.69 | |
| 2023-01-14 | 108 -> 92 | 187.84 -> 262.95 |
Survive after yakuman: 0% -> 100% |
| 2023-01-05 | 106 -> 108 | 205.34 -> 187.84 |
Winter tournament: 100% -> 86% |
| 2023-01-03 | 102 -> 106 | 233.31 -> 205.34 |
Winter tournament: 14% -> 0% |
| 2022-12-19 | 102 | 232.78 -> 233.31 | |
| 2022-12-18 | 100 -> 102 | 232.78 | |
| 2022-12-03 | 184 -> 100 | 14.01 -> 232.78 | |
| 2021-02-01 | 184 | 14.01 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 545 |
|
6/12 | 100% | 1.10 | CRR | Survive after yakuman |
| 2 | 364 |
|
8/12 | 100% | 1.10 | CRR | Summer tournament |
| 3 | 1000 |
|
1/16 | 86% | 1.20 | CRR | Winter tournament |
| 4 | 0 |
|
16/16 | 0% | 1.20 | CRR | Winter tournament |
| 5 | 267 |
|
12/16 | 0% | 1.20 | RR | Summer Tournament |