Shirshov Alexander
From Saint Petersburg, Russia
EMA: 15990308
Common russian riichi rating (CRR)
Rating date Aug. 18, 2024 (latest changes Aug. 18, 2024).
90 place (402.81).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.05 * 1) = 15.3
p1 = (923.08 * 1.80 * 0.14 + 741.94 * 1.80 * 0.57 + 565.22 * 1.40 * 0.71 + 782.61 * 2.10 * 1 + 0) / (1.80 * 0.14 + 1.80 * 0.57 + 1.40 * 0.71 + 2.10 * 1 + 1) = 595.8750482754523
p2 = (782.61 * 2.10 * 1 + 741.94 * 1.80 * 0.57 + 565.22 * 1.40 * 0.71 + 923.08 * 1.80 * 0.14) / max_coefficients = 209.75424836601306
score = 595.8750482754523 * 0.5 + 209.75424836601306 * 0.5 = 402.81464832073266
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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% |
| 2024-06-22 | 70 -> 71 | 433.56 -> 430.60 |
Fire cup 2023: 86% -> 71% |
| 2024-06-11 | 73 -> 70 | 429.17 -> 433.56 | |
| 2024-05-19 | 70 -> 73 | 429.17 | |
| 2024-05-12 | 55 -> 70 | 444.28 -> 429.17 |