Zarezin Ivan
From Yekaterinburg, Russia
EMA: 15020003
Internal rating (RR)
Rating date March 30, 2024 (latest changes March 30, 2024).
75 place (285.14).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 4.20 * 0.57) = 13.19988
p1 = (440 * 4.20 * 0.57 + 540.23 * 3.75 * 1 + 0 + 0 + 0) / (4.20 * 0.57 + 3.75 * 1 + 1 + 1 + 1) = 336.81425330168264
p2 = (540.23 * 3.75 * 1 + 440 * 4.20 * 0.57) / max_coefficients = 233.47257702342748
score = 336.81425330168264 * 0.5 + 233.47257702342748 * 0.5 = 285.1434151625551
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-03-30 | 70 -> 75 | 285.14 | |
| 2024-03-20 | 67 -> 70 | 312.02 -> 285.14 |
Tenpai can't buy happiness: 14% -> 0% |
| 2024-03-10 | 58 -> 67 | 332.70 -> 312.02 | |
| 2024-03-06 | 57 -> 58 | 338.56 -> 332.70 |
IX Russian Riichi Championship: 71% -> 57% |
| 2024-02-12 | 62 -> 57 | 331.70 -> 338.56 | |
| 2024-01-20 | 63 -> 62 | 338.28 -> 331.70 |
Tenpai can't buy happiness: 29% -> 14% |
| 2024-01-06 | 65 -> 63 | 343.31 -> 338.28 |
IX Russian Riichi Championship: 86% -> 71% |
| 2023-12-19 | 67 -> 65 | 343.31 | |
| 2023-12-12 | 67 | 336.89 -> 343.31 | |
| 2023-11-28 | 72 -> 67 | 336.89 |