Chekan Vikmar
From Saint Petersburg, Russia
EMA: 15990345
Common russian riichi rating (CRR)
Rating date March 9, 2024 (latest changes March 9, 2024).
74 place (364.56).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 2.90 * 1 + 4.20 * 0.57) = 13.04988
p1 = (410.26 * 1.80 * 0.43 + 96.77 * 1.80 * 0.86 + 1000 * 1.40 * 1 + 485.98 * 4 * 1 + 0) / (1.80 * 0.43 + 1.80 * 0.86 + 1.40 * 1 + 4 * 1 + 1) = 437.1834211969806
p2 = (485.98 * 4 * 1 + 1000 * 1.40 * 1 + 410.26 * 1.80 * 0.43 + 96.77 * 1.80 * 0.86) / max_coefficients = 291.9360178024626
score = 437.1834211969806 * 0.5 + 291.9360178024626 * 0.5 = 364.5597194997216
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-03-06 | 76 -> 74 | 358.14 -> 364.56 | |
| 2024-02-27 | 76 | 361.62 -> 358.14 |
Sun tournament: 57% -> 43% |
| 2024-02-25 | 74 -> 76 | 357.80 -> 361.62 |
Earth cup: 100% -> 86% |
| 2024-02-12 | 76 -> 74 | 357.80 | |
| 2024-01-20 | 77 -> 76 | 357.80 | |
| 2024-01-06 | 79 -> 77 | 351.72 -> 357.80 | |
| 2023-12-27 | 79 | 355.20 -> 351.72 |
Sun tournament: 71% -> 57% |
| 2023-12-19 | 80 -> 79 | 355.20 | |
| 2023-12-12 | 83 -> 80 | 355.20 | |
| 2023-11-28 | 88 -> 83 | 355.20 |