Kripak Aleksandr
From Irkutsk, Russia
Common russian riichi rating (CRR)
Rating date Feb. 25, 2023 (latest changes Feb. 25, 2023).
138 place (79.29).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 2.80 * 1) = 14.55
p1 = (90.91 * 1.10 * 0.43 + 400 * 1.20 * 0.86 + 90.91 * 1.10 * 1 + 0 + 0) / (1.10 * 0.43 + 1.20 * 0.86 + 1.10 * 1 + 1 + 1) = 120.49400214783542
p2 = (400 * 1.20 * 0.86 + 90.91 * 1.10 * 1 + 90.91 * 1.10 * 0.43) / max_coefficients = 38.09415807560137
score = 120.49400214783542 * 0.5 + 38.09415807560137 * 0.5 = 79.29408011171839
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-02-25 | 129 -> 138 | 79.29 | |
2023-01-28 | 129 | 79.09 -> 79.29 | |
2023-01-14 | 125 -> 129 | 79.09 | |
2023-01-05 | 124 -> 125 | 86.44 -> 79.09 |
Winter tournament: 100% -> 86% |
2023-01-03 | 126 -> 124 | 110.06 -> 86.44 |
Summer tournament: 57% -> 43% Winter tournament: 14% -> 0% |
2022-12-19 | 126 | 109.83 -> 110.06 | |
2022-12-18 | 124 -> 126 | 109.83 | |
2022-12-03 | 124 | 109.83 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 91 |
|
11/12 | 100% | 1.10 | CRR | Summer tournament |
2 | 400 |
|
10/16 | 86% | 1.20 | CRR | Winter tournament |
3 | 91 |
|
11/12 | 43% | 1.10 | CRR | Summer tournament |
4 | 400 |
|
10/16 | 0% | 1.20 | CRR | Winter tournament |