Shirshov Alexander
From Saint Petersburg, Russia
EMA: 15990308
Common russian riichi rating (CRR)
Rating date April 22, 2024 (latest changes April 22, 2024).
49 place (468.37).
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 * 0.86 + 565.22 * 1.40 * 0.86 + 782.61 * 2.10 * 1 + 0) / (1.80 * 0.43 + 1.80 * 0.86 + 1.40 * 0.86 + 2.10 * 1 + 1) = 631.7453357926884
p2 = (782.61 * 2.10 * 1 + 741.94 * 1.80 * 0.86 + 923.08 * 1.80 * 0.43 + 565.22 * 1.40 * 0.86) / max_coefficients = 304.99927007299266
score = 631.7453357926884 * 0.5 + 304.99927007299266 * 0.5 = 468.3723029328405
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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% |
| 2024-02-12 | 75 -> 73 | 359.62 |