Shirshov Alexander
From Saint Petersburg, Russia
EMA: 15990308
Common russian riichi rating (CRR)
Rating date Dec. 29, 2024 (latest changes Dec. 29, 2024).
136 place (281.55).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (741.94 * 1.80 * 0.14 + 565.22 * 1.40 * 0.29 + 782.61 * 2.10 * 1 + 0 + 0) / (1.80 * 0.14 + 1.40 * 0.29 + 2.10 * 1 + 1 + 1) = 433.11191457159674
p2 = (782.61 * 2.10 * 1 + 565.22 * 1.40 * 0.29 + 741.94 * 1.80 * 0.14) / max_coefficients = 129.993690851735
score = 433.11191457159674 * 0.5 + 129.993690851735 * 0.5 = 281.5528027116659
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-12-29 | 135 -> 136 | 281.55 | |
| 2024-12-25 | 132 -> 135 | 295.48 -> 281.55 |
Earth cup: 29% -> 14% |
| 2024-12-22 | 129 -> 132 | 301.28 -> 295.48 |
Fire cup 2023: 43% -> 29% |
| 2024-12-11 | 132 -> 129 | 301.28 | |
| 2024-11-05 | 134 -> 132 | 301.28 | |
| 2024-10-27 | 135 -> 134 | 301.28 | |
| 2024-10-26 | 136 -> 135 | 301.28 | |
| 2024-10-25 | 131 -> 136 | 314.08 -> 301.28 |
Earth cup: 43% -> 29% |
| 2024-10-22 | 131 | 319.38 -> 314.08 |
Fire cup 2023: 57% -> 43% |
| 2024-10-13 | 124 -> 131 | 321.12 -> 319.38 |