Kripak Aleksandr
From Irkutsk, Russia
Common russian riichi rating (CRR)
Rating date Nov. 9, 2023 (latest changes Nov. 9, 2023).
197 place (20.99).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.80 * 1) = 14.149820000000002
p1 = (400 * 1.20 * 0.14 + 90.91 * 1.10 * 0.57 + 0 + 0 + 0) / (1.20 * 0.14 + 1.10 * 0.57 + 1 + 1 + 1) = 33.08666796490545
p2 = (400 * 1.20 * 0.14 + 90.91 * 1.10 * 0.57) / max_coefficients = 8.885625400181768
score = 33.08666796490545 * 0.5 + 8.885625400181768 * 0.5 = 20.98614668254361
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-11-09 | 197 | 22.64 -> 20.99 |
Summer tournament: 71% -> 57% |
| 2023-11-06 | 197 | 22.64 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 91 |
|
11/12 | 57% | 1.10 | CRR | Summer tournament | Irkutsk | |
| 2 | 400 |
|
10/16 | 14% | 1.20 | CRR | Winter tournament | Irkutsk | |
| 3 | 91 |
|
11/12 | 0% | 1.10 | CRR | Summer tournament | Irkutsk | |
| 4 | 400 |
|
10/16 | 0% | 1.20 | CRR | Winter tournament | Irkutsk |