Zarezin Ivan
From Yekaterinburg, Russia
EMA: 15020003
Internal rating (RR)
Rating date June 19, 2025 (latest changes June 15, 2025).
66 place (508.79).
how we calculated rating score
max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266
p1 = (401.87 * 4.60 * 0.86 + 808.51 * 2.80 * 1 + 873.42 * 3.65 * 1 + 0 + 0) / (4.60 * 0.86 + 2.80 * 1 + 3.65 * 1 + 1 + 1) = 567.7739887965942
p2 = (873.42 * 3.65 * 1 + 808.51 * 2.80 * 1 + 401.87 * 4.60 * 0.86) / max_coefficients = 449.810326376716
score = 567.7739887965942 * 0.5 + 449.810326376716 * 0.5 = 508.7921575866551
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-06-15 | 58 -> 66 | 515.45 -> 508.79 | |
| 2025-06-11 | 53 -> 58 | 548.16 -> 515.45 |
Money can not buy tenpai: 14% -> 0% |
| 2025-06-08 | 52 -> 53 | 548.16 | |
| 2025-05-12 | 53 -> 52 | 540.95 -> 548.16 |
X Russian Championship: 100% -> 86% |
| 2025-05-03 | 50 -> 53 | 540.95 | |
| 2025-04-11 | 50 | 548.80 -> 540.95 |
Money can not buy tenpai: 29% -> 14% |
| 2025-03-30 | 51 -> 50 | 548.80 | |
| 2025-03-02 | 49 -> 51 | 548.80 | |
| 2025-02-16 | 43 -> 49 | 548.80 | |
| 2025-02-11 | 43 | 556.75 -> 548.80 |
Money can not buy tenpai: 43% -> 29% |