Zarezin Ivan
From Yekaterinburg, Russia
EMA: 15020003
Common russian riichi rating (CRR)
Rating date Feb. 17, 2024 (latest changes Feb. 17, 2024).
31 place (508.10).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002
p1 = (631.58 * 2.10 * 1 + 358.21 * 3.50 * 0.14 + 440 * 4.20 * 0.71 + 540.23 * 3.75 * 1 + 703.70 * 2.30 * 1) / (2.10 * 1 + 3.50 * 0.14 + 4.20 * 0.71 + 3.75 * 1 + 2.30 * 1) = 555.3453542897508
p2 = (540.23 * 3.75 * 1 + 703.70 * 2.30 * 1 + 631.58 * 2.10 * 1 + 440 * 4.20 * 0.71) / max_coefficients = 460.8573149129014
score = 555.3453542897508 * 0.5 + 460.8573149129014 * 0.5 = 508.10133460132613
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-02-12 | 32 -> 31 | 508.10 | |
| 2024-01-20 | 33 -> 32 | 504.05 -> 508.10 |
Tenpai can't buy happiness: 29% -> 14% |
| 2024-01-06 | 32 -> 33 | 501.09 -> 504.05 |
IX Russian Riichi Championship: 86% -> 71% |
| 2023-11-28 | 33 -> 32 | 501.09 | |
| 2023-11-26 | 33 | 502.71 -> 501.09 | |
| 2023-11-20 | 35 -> 33 | 499.24 -> 502.71 |
Tenpai can't buy happiness: 43% -> 29% |
| 2023-11-06 | 37 -> 35 | 496.70 -> 499.24 |
IX Russian Riichi Championship: 100% -> 86% |
| 2023-11-05 | 57 -> 37 | 423.08 -> 496.70 |
Finding Dora: 0% -> 100% |
| 2023-10-22 | 56 -> 57 | 423.08 | |
| 2023-10-12 | 58 -> 56 | 421.86 -> 423.08 |