Shirshov Alexander
From Saint Petersburg, Russia
EMA: 15990308
Common russian riichi rating (CRR)
Rating date June 22, 2024 (latest changes June 22, 2024).
71 place (430.60).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001
p1 = (923.08 * 1.80 * 0.29 + 741.94 * 1.80 * 0.71 + 565.22 * 1.40 * 0.71 + 782.61 * 2.10 * 1 + 0) / (1.80 * 0.29 + 1.80 * 0.71 + 1.40 * 0.71 + 2.10 * 1 + 1) = 616.4979101765758
p2 = (782.61 * 2.10 * 1 + 741.94 * 1.80 * 0.71 + 565.22 * 1.40 * 0.71 + 923.08 * 1.80 * 0.29) / max_coefficients = 244.70663426202347
score = 616.4979101765758 * 0.5 + 244.70663426202347 * 0.5 = 430.60227221929966
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2024-05-06 | 56 -> 55 | 444.28 | |
| 2024-05-05 | 55 -> 56 | 444.28 | |
| 2024-04-27 | 52 -> 55 | 459.19 -> 444.28 |
Sun tournament: 43% -> 29% |
| 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 |