Alekseeva Olga
From Moscow, Russia
EMA: 15990342
Common russian riichi rating (CRR)
Rating date May 28, 2023 (latest changes May 28, 2023).
77 place (312.81).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 2.80 * 1 + 3.50 * 0.71) = 13.55005
p1 = (672.73 * 3.30 * 0.43 + 813.33 * 3.45 * 0.43 + 361.70 * 3.10 * 0.57 + 0 + 0) / (3.30 * 0.43 + 3.45 * 0.43 + 3.10 * 0.57 + 1 + 1) = 419.3692145867814
p2 = (813.33 * 3.45 * 0.43 + 672.73 * 3.30 * 0.43 + 361.70 * 3.10 * 0.57) / max_coefficients = 206.260493503714
score = 419.3692145867814 * 0.5 + 206.260493503714 * 0.5 = 312.8148540452477
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-05-28 | 71 -> 77 | 341.16 -> 312.81 |
Saint Petersburg Open 2021: 57% -> 43% |
2023-05-20 | 72 -> 71 | 336.97 -> 341.16 | |
2023-05-06 | 67 -> 72 | 355.24 -> 336.97 |
Kirov Tournament: 57% -> 43% |
2023-05-05 | 14 -> 67 | 650.54 -> 355.24 | |
2021-02-01 | 8 -> 14 | 755.76 -> 650.54 | |
2020-02-01 | 8 | 755.76 |