Zarezin Ivan
From Yekaterinburg, Russia
EMA: 15020003
Common russian riichi rating (CRR)
Rating date Sept. 20, 2023 (latest changes Sept. 20, 2023).
57 place (421.86).
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 * 0.43 + 440 * 4.20 * 1 + 540.23 * 3.75 * 1 + 631.58 * 2.10 * 1 + 0) / (3.50 * 0.43 + 4.20 * 1 + 3.75 * 1 + 2.10 * 1 + 1) = 457.17006238994117
p2 = (540.23 * 3.75 * 1 + 440 * 4.20 * 1 + 631.58 * 2.10 * 1 + 358.21 * 3.50 * 0.43) / max_coefficients = 386.5500813014155
score = 457.17006238994117 * 0.5 + 386.5500813014155 * 0.5 = 421.86007184567836
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-09-20 | 56 -> 57 | 426.00 -> 421.86 |
Tenpai can't buy happiness: 57% -> 43% |
| 2023-09-06 | 57 -> 56 | 426.00 | |
| 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% |