Shirshov Alexander
From Saint Petersburg, Russia
EMA: 15990308
Common russian riichi rating (CRR)
Rating date April 25, 2024 (latest changes April 25, 2024).
52 place (459.19).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (923.08 * 1.80 * 0.43 + 741.94 * 1.80 * 0.71 + 565.22 * 1.40 * 0.86 + 782.61 * 2.10 * 1 + 0) / (1.80 * 0.43 + 1.80 * 0.71 + 1.40 * 0.86 + 2.10 * 1 + 1) = 627.2911174172115
p2 = (782.61 * 2.10 * 1 + 741.94 * 1.80 * 0.71 + 923.08 * 1.80 * 0.43 + 565.22 * 1.40 * 0.86) / max_coefficients = 291.0795620437956
score = 627.2911174172115 * 0.5 + 291.0795620437956 * 0.5 = 459.18533973050353
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-04-25 | 49 -> 52 | 468.37 -> 459.19 |
Earth cup: 86% -> 71% |
| 2024-04-22 | 48 -> 49 | 471.52 -> 468.37 |
Fire cup 2023: 100% -> 86% |
| 2024-04-12 | 49 -> 48 | 471.52 | |
| 2024-03-30 | 86 -> 49 | 328.35 -> 471.52 |
Seihoku spring tournament 2024: 0% -> 100% |
| 2024-03-20 | 88 -> 86 | 328.35 | |
| 2024-03-10 | 85 -> 88 | 333.17 -> 328.35 | |
| 2024-03-06 | 86 -> 85 | 328.71 -> 333.17 | |
| 2024-03-03 | 87 -> 86 | 328.71 | |
| 2024-02-27 | 80 -> 87 | 347.29 -> 328.71 |
Sun tournament: 57% -> 43% |
| 2024-02-25 | 73 -> 80 | 359.62 -> 347.29 |
Earth cup: 100% -> 86% |