Zarezin Ivan
From Yekaterinburg, Russia
EMA: 15020003
Common russian riichi rating (CRR)
Rating date Sept. 3, 2023 (latest changes Sept. 3, 2023).
57 place (426.00).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (358.21 * 3.50 * 0.57 + 440 * 4.20 * 1 + 540.23 * 3.75 * 1 + 631.58 * 2.10 * 1 + 0) / (3.50 * 0.57 + 4.20 * 1 + 3.75 * 1 + 2.10 * 1 + 1) = 453.37971938482286
p2 = (540.23 * 3.75 * 1 + 440 * 4.20 * 1 + 631.58 * 2.10 * 1 + 358.21 * 3.50 * 0.57) / max_coefficients = 398.6117282218486
score = 453.37971938482286 * 0.5 + 398.6117282218486 * 0.5 = 425.99572380333575
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-09-03 | 41 -> 57 | 443.53 -> 426.00 | |
| 2023-08-27 | 69 -> 41 | 360.29 -> 443.53 |
13 tiles until tempai: 0% -> 100% |
| 2023-08-19 | 70 -> 69 | 360.29 | |
| 2023-08-12 | 75 -> 70 | 353.45 -> 360.29 | |
| 2023-07-20 | 75 | 359.23 -> 353.45 |
Tenpai can't buy happiness: 71% -> 57% |
| 2023-07-03 | 76 -> 75 | 359.23 | |
| 2023-06-12 | 77 -> 76 | 352.67 -> 359.23 | |
| 2023-06-11 | 105 -> 77 | 242.66 -> 352.67 |
Money can not buy tenpai: 0% -> 100% |
| 2023-05-28 | 106 -> 105 | 242.66 | |
| 2023-05-20 | 106 | 247.27 -> 242.66 |
Tenpai can't buy happiness: 86% -> 71% |