Chekan Vikmar
From Saint Petersburg, Russia
EMA: 15990345
Common russian riichi rating (CRR)
Rating date Oct. 25, 2024 (latest changes Oct. 25, 2024).
169 place (192.01).
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 * 0.86 + 21.74 * 2.10 * 1 + 21.05 * 3.85 * 1) / (1.80 * 0.29 + 1.40 * 0.43 + 4 * 0.86 + 2.10 * 1 + 3.85 * 1) = 232.79518141183874
p2 = (485.98 * 4 * 0.86 + 1000 * 1.40 * 0.43 + 21.05 * 3.85 * 1 + 96.77 * 1.80 * 0.29) / max_coefficients = 151.23028391167196
score = 232.79518141183874 * 0.5 + 151.23028391167196 * 0.5 = 192.01273266175536
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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% |
| 2024-08-27 | 129 -> 128 | 258.75 |
Sun tournament: 14% -> 0% |
| 2024-08-26 | 127 -> 129 | 282.84 -> 258.75 | |
| 2024-08-25 | 127 | 279.29 -> 282.84 |
Earth cup: 57% -> 43% |
| 2024-08-22 | 124 -> 127 | 293.39 -> 279.29 |
Fire cup 2023: 71% -> 57% |