Shirshov Alexander
From Saint Petersburg, Russia
EMA: 15990308
Common russian riichi rating (CRR)
Rating date Sept. 14, 2024 (latest changes Sept. 14, 2024).
123 place (321.12).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
p1 = (741.94 * 1.80 * 0.43 + 565.22 * 1.40 * 0.57 + 782.61 * 2.10 * 1 + 0 + 0) / (1.80 * 0.43 + 1.40 * 0.57 + 2.10 * 1 + 1 + 1) = 470.43079006389905
p2 = (782.61 * 2.10 * 1 + 741.94 * 1.80 * 0.43 + 565.22 * 1.40 * 0.57) / max_coefficients = 171.81551222276605
score = 470.43079006389905 * 0.5 + 171.81551222276605 * 0.5 = 321.12315114333256
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-09-06 | 124 -> 123 | 321.12 | |
| 2024-09-03 | 123 -> 124 | 318.07 -> 321.12 | |
| 2024-09-01 | 112 -> 123 | 322.41 -> 318.07 | |
| 2024-08-27 | 113 -> 112 | 322.41 |
Sun tournament: 14% -> 0% |
| 2024-08-26 | 93 -> 113 | 389.70 -> 322.41 | |
| 2024-08-25 | 90 -> 93 | 399.71 -> 389.70 |
Earth cup: 57% -> 43% |
| 2024-08-22 | 89 -> 90 | 402.81 -> 399.71 |
Fire cup 2023: 71% -> 57% |
| 2024-08-20 | 90 -> 89 | 402.81 | |
| 2024-08-11 | 91 -> 90 | 401.70 -> 402.81 | |
| 2024-08-04 | 83 -> 91 | 405.89 -> 401.70 |