Zarezin Ivan
From Yekaterinburg, Russia
EMA: 15020003
Internal rating (RR)
Rating date May 6, 2024 (latest changes May 6, 2024).
75 place (274.01).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.10 * 1) = 12.9
p1 = (440 * 4.20 * 0.43 + 540.23 * 3.75 * 1 + 0 + 0 + 0) / (4.20 * 0.43 + 3.75 * 1 + 1 + 1 + 1) = 329.57549133813325
p2 = (540.23 * 3.75 * 1 + 440 * 4.20 * 0.43) / max_coefficients = 218.44263565891472
score = 329.57549133813325 * 0.5 + 218.44263565891472 * 0.5 = 274.009063498524
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-05-06 | 73 -> 75 | 285.14 -> 274.01 |
IX Russian Riichi Championship: 57% -> 43% |
| 2024-04-12 | 75 -> 73 | 285.14 | |
| 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 |