Chekan Vikmar
From Saint Petersburg, Russia
EMA: 15990345
Common russian riichi rating (CRR)
Rating date Feb. 12, 2024 (latest changes Feb. 12, 2024).
74 place (357.80).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002
p1 = (410.26 * 1.80 * 0.57 + 96.77 * 1.80 * 1 + 1000 * 1.40 * 1 + 485.98 * 4 * 1 + 0) / (1.80 * 0.57 + 1.80 * 1 + 1.40 * 1 + 4 * 1 + 1) = 426.94603251658987
p2 = (485.98 * 4 * 1 + 1000 * 1.40 * 1 + 410.26 * 1.80 * 0.57 + 96.77 * 1.80 * 1) / max_coefficients = 288.6492806625026
score = 426.94603251658987 * 0.5 + 288.6492806625026 * 0.5 = 357.79765658954625
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2023-11-26 | 84 -> 88 | 356.20 -> 355.20 | |
| 2023-11-20 | 86 -> 84 | 356.20 | |
| 2023-11-09 | 87 -> 86 | 356.20 |