Chekan Vikmar
From Saint Petersburg, Russia
EMA: 15990345
Common russian riichi rating (CRR)
Rating date June 25, 2024 (latest changes June 25, 2024).
112 place (300.39).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001
p1 = (410.26 * 1.80 * 0.29 + 96.77 * 1.80 * 0.57 + 1000 * 1.40 * 0.71 + 485.98 * 4 * 1 + 21.74 * 2.10 * 1) / (1.80 * 0.29 + 1.80 * 0.57 + 1.40 * 0.71 + 4 * 1 + 2.10 * 1) = 381.83343360947845
p2 = (485.98 * 4 * 1 + 1000 * 1.40 * 0.71 + 410.26 * 1.80 * 0.29 + 96.77 * 1.80 * 0.57) / max_coefficients = 218.94729760413074
score = 381.83343360947845 * 0.5 + 218.94729760413074 * 0.5 = 300.3903656068046
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-06-25 | 114 -> 112 | 297.11 -> 300.39 |
Earth cup: 71% -> 57% |
| 2024-06-22 | 109 -> 114 | 310.71 -> 297.11 |
Fire cup 2023: 86% -> 71% |
| 2024-06-11 | 112 -> 109 | 306.64 -> 310.71 | |
| 2024-06-09 | 107 -> 112 | 306.64 | |
| 2024-05-12 | 86 -> 107 | 320.66 -> 306.64 | |
| 2024-05-06 | 88 -> 86 | 320.66 | |
| 2024-04-27 | 86 -> 88 | 324.83 -> 320.66 |
Sun tournament: 43% -> 29% |
| 2024-04-25 | 88 -> 86 | 321.84 -> 324.83 |
Earth cup: 86% -> 71% |
| 2024-04-22 | 84 -> 88 | 335.46 -> 321.84 |
Fire cup 2023: 100% -> 86% |
| 2024-04-18 | 85 -> 84 | 335.46 |