Shirshov Alexander
From Saint Petersburg, Russia
EMA: 15990308
Common russian riichi rating (CRR)
Rating date Aug. 26, 2024 (latest changes Aug. 26, 2024).
113 place (322.41).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.05 * 1) = 15.3
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 = 174.38039215686274
score = 470.43079006389905 * 0.5 + 174.38039215686274 * 0.5 = 322.4055911103809
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2024-07-14 | 79 -> 83 | 405.89 | |
| 2024-07-06 | 81 -> 79 | 405.89 | |
| 2024-06-27 | 77 -> 81 | 421.32 -> 405.89 |
Sun tournament: 29% -> 14% |
| 2024-06-25 | 71 -> 77 | 430.60 -> 421.32 |
Earth cup: 71% -> 57% |