Kripak Aleksandr
From Irkutsk, Russia
Common russian riichi rating (CRR)
Rating date May 6, 2023 (latest changes May 6, 2023).
143 place (63.10).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985
p1 = (90.91 * 1.10 * 0.14 + 400 * 1.20 * 0.57 + 90.91 * 1.10 * 1 + 0 + 0) / (1.10 * 0.14 + 1.20 * 0.57 + 1.10 * 1 + 1 + 1) = 98.5475047363976
p2 = (400 * 1.20 * 0.57 + 90.91 * 1.10 * 1 + 90.91 * 1.10 * 0.14) / max_coefficients = 27.655811272006463
score = 98.5475047363976 * 0.5 + 27.655811272006463 * 0.5 = 63.10165800420203
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-05-05 | 142 -> 143 | 71.82 -> 63.10 |
Winter tournament: 71% -> 57% |
2023-05-03 | 142 | 71.96 -> 71.82 |
Summer tournament: 29% -> 14% |
2023-05-01 | 141 -> 142 | 71.96 | |
2023-04-22 | 139 -> 141 | 71.96 | |
2023-03-20 | 139 | 71.38 -> 71.96 | |
2023-03-05 | 137 -> 139 | 79.33 -> 71.38 |
Winter tournament: 86% -> 71% |
2023-03-03 | 138 -> 137 | 79.29 -> 79.33 |
Summer tournament: 43% -> 29% |
2023-02-25 | 129 -> 138 | 79.29 | |
2023-01-28 | 129 | 79.09 -> 79.29 | |
2023-01-14 | 125 -> 129 | 79.09 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 91 |
|
11/12 | 100% | 1.10 | CRR | Summer tournament |
2 | 400 |
|
10/16 | 57% | 1.20 | CRR | Winter tournament |
3 | 91 |
|
11/12 | 14% | 1.10 | CRR | Summer tournament |
4 | 400 |
|
10/16 | 0% | 1.20 | CRR | Winter tournament |