Kripak Aleksandr
From Irkutsk, Russia
Common russian riichi rating (CRR)
Rating date Sept. 20, 2023 (latest changes Sept. 20, 2023).
183 place (32.29).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (400 * 1.20 * 0.29 + 90.91 * 1.10 * 0.71 + 0 + 0 + 0) / (1.20 * 0.29 + 1.10 * 0.71 + 1 + 1 + 1) = 50.5187026016272
p2 = (400 * 1.20 * 0.29 + 90.91 * 1.10 * 0.71) / max_coefficients = 14.051822030915087
score = 50.5187026016272 * 0.5 + 14.051822030915087 * 0.5 = 32.285262316271144
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-09-09 | 183 | 33.51 -> 32.29 |
Summer tournament: 86% -> 71% |
2023-09-05 | 182 -> 183 | 42.51 -> 33.51 |
Winter tournament: 43% -> 29% |
2023-09-03 | 166 -> 182 | 43.37 -> 42.51 | |
2023-08-27 | 161 -> 166 | 43.37 | |
2023-08-26 | 160 -> 161 | 43.37 | |
2023-08-20 | 161 -> 160 | 43.37 | |
2023-08-12 | 161 | 42.94 -> 43.37 | |
2023-07-09 | 160 -> 161 | 43.88 -> 42.94 |
Summer tournament: 100% -> 86% |
2023-07-05 | 160 | 52.26 -> 43.88 |
Winter tournament: 57% -> 43% |
2023-07-03 | 160 | 62.93 -> 52.26 |
Summer tournament: 14% -> 0% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 91 |
|
11/12 | 71% | 1.10 | CRR | Summer tournament |
2 | 400 |
|
10/16 | 29% | 1.20 | CRR | Winter tournament |
3 | 91 |
|
11/12 | 0% | 1.10 | CRR | Summer tournament |
4 | 400 |
|
10/16 | 0% | 1.20 | CRR | Winter tournament |