Li Aleksandr
From Irkutsk, Russia
Common russian riichi rating (CRR)
Rating date Jan. 14, 2024 (latest changes Jan. 14, 2024).
164 place (102.79).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002
p1 = (363.64 * 1.10 * 0.43 + 545.45 * 1.10 * 0.86 + 0 + 0 + 0) / (1.10 * 0.43 + 1.10 * 0.86 + 1 + 1 + 1) = 155.33712255933597
p2 = (545.45 * 1.10 * 0.86 + 363.64 * 1.10 * 0.43) / max_coefficients = 50.23421142471168
score = 155.33712255933597 * 0.5 + 50.23421142471168 * 0.5 = 102.78566699202382
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-01-14 | 163 -> 164 | 112.63 -> 102.79 |
Survive after yakuman: 100% -> 86% |
| 2024-01-09 | 162 -> 163 | 117.96 -> 112.63 |
Summer tournament: 57% -> 43% |
| 2024-01-06 | 162 | 116.69 -> 117.96 | |
| 2024-01-05 | 148 -> 162 | 163.30 -> 116.69 |
Winter tournament: 14% -> 0% |
| 2023-12-19 | 155 -> 148 | 163.30 | |
| 2023-12-12 | 157 -> 155 | 163.30 | |
| 2023-11-28 | 163 -> 157 | 163.30 | |
| 2023-11-26 | 157 -> 163 | 163.55 -> 163.30 | |
| 2023-11-09 | 156 -> 157 | 167.64 -> 163.55 |
Summer tournament: 71% -> 57% |
| 2023-11-06 | 157 -> 156 | 166.12 -> 167.64 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 545 |
|
6/12 | 86% | 1.10 | CRR | Survive after yakuman |
| 2 | 364 |
|
8/12 | 43% | 1.10 | CRR | Summer tournament |
| 3 | 1000 |
|
1/16 | 0% | 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 |