Zarezin Ivan
From Yekaterinburg, Russia
EMA: 15020003
Internal rating (RR)
Rating date June 11, 2024 (latest changes June 11, 2024).
81 place (335.67).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001
p1 = (440 * 4.20 * 0.43 + 540.23 * 3.75 * 0.86 + 401.87 * 4.60 * 1 + 0 + 0) / (4.20 * 0.43 + 3.75 * 0.86 + 4.60 * 1 + 1 + 1) = 376.8665117706747
p2 = (401.87 * 4.60 * 1 + 540.23 * 3.75 * 0.86 + 440 * 4.20 * 0.43) / max_coefficients = 294.46872923902345
score = 376.8665117706747 * 0.5 + 294.46872923902345 * 0.5 = 335.6676205048491
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-06-11 | 84 -> 81 | 343.55 -> 335.67 |
Money can not buy tenpai: 100% -> 86% |
| 2024-06-09 | 80 -> 84 | 343.55 | |
| 2024-05-12 | 75 -> 80 | 274.01 -> 343.55 |
X Russian Championship: 0% -> 100% |
| 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 |