Chekan Vikmar
From Saint Petersburg, Russia
EMA: 15990345
Common russian riichi rating (CRR)
Rating date Nov. 6, 2023 (latest changes Nov. 6, 2023).
87 place (356.20).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.80 * 1) = 14.149820000000002
p1 = (410.26 * 1.80 * 0.71 + 485.98 * 4 * 1 + 96.77 * 1.80 * 1 + 1000 * 1.40 * 1 + 0) / (1.80 * 0.71 + 4 * 1 + 1.80 * 1 + 1.40 * 1 + 1) = 426.4928197483802
p2 = (485.98 * 4 * 1 + 1000 * 1.40 * 1 + 410.26 * 1.80 * 0.71 + 96.77 * 1.80 * 1) / max_coefficients = 285.9117642485911
score = 426.4928197483802 * 0.5 + 285.9117642485911 * 0.5 = 356.20229199848563
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-11-06 | 92 -> 87 | 350.39 -> 356.20 | |
| 2023-11-05 | 87 -> 92 | 350.39 | |
| 2023-10-27 | 87 | 353.75 -> 350.39 |
Sun tournament: 86% -> 71% |
| 2023-10-22 | 84 -> 87 | 353.75 | |
| 2023-10-12 | 88 -> 84 | 352.87 -> 353.75 | |
| 2023-09-28 | 87 -> 88 | 352.87 | |
| 2023-09-20 | 88 -> 87 | 352.87 | |
| 2023-09-06 | 89 -> 88 | 352.87 | |
| 2023-09-03 | 116 -> 89 | 244.56 -> 352.87 |
SPB Riichi Open 2023: 0% -> 100% |
| 2023-08-27 | 109 -> 116 | 249.95 -> 244.56 |
Sun tournament: 100% -> 86% |