Chekan Vikmar
From Saint Petersburg, Russia
EMA: 15990345
Common russian riichi rating (CRR)
Rating date Nov. 5, 2024 (latest changes Nov. 5, 2024).
171 place (175.97).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (96.77 * 1.80 * 0.29 + 1000 * 1.40 * 0.43 + 485.98 * 4 * 0.71 + 21.74 * 2.10 * 1 + 21.05 * 3.85 * 1) / (1.80 * 0.29 + 1.40 * 0.43 + 4 * 0.71 + 2.10 * 1 + 3.85 * 1) = 218.2190193015169
p2 = (485.98 * 4 * 0.71 + 1000 * 1.40 * 0.43 + 21.05 * 3.85 * 1 + 96.77 * 1.80 * 0.29) / max_coefficients = 133.7167192429022
score = 218.2190193015169 * 0.5 + 133.7167192429022 * 0.5 = 175.96786927220955
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-11-05 | 173 -> 171 | 175.97 | |
| 2024-11-04 | 172 -> 173 | 175.97 | |
| 2024-11-03 | 170 -> 172 | 192.01 -> 175.97 |
SPB Riichi Open 2023: 86% -> 71% |
| 2024-10-27 | 169 -> 170 | 192.01 | |
| 2024-10-25 | 170 -> 169 | 191.17 -> 192.01 |
Earth cup: 43% -> 29% |
| 2024-10-22 | 167 -> 170 | 204.51 -> 191.17 |
Fire cup 2023: 57% -> 43% |
| 2024-10-13 | 156 -> 167 | 206.22 -> 204.51 | |
| 2024-09-15 | 153 -> 156 | 206.22 | |
| 2024-09-03 | 151 -> 153 | 217.87 -> 206.22 |
SPB Riichi Open 2023: 100% -> 86% |
| 2024-09-01 | 128 -> 151 | 258.75 -> 217.87 |
SPB Riichi Open 2024: 0% -> 100% |