Zarezin Ivan
From Yekaterinburg, Russia
EMA: 15020003
Common russian riichi rating (CRR)
Rating date July 6, 2024 (latest changes July 6, 2024).
45 place (527.85).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001
p1 = (631.58 * 2.10 * 1 + 440 * 4.20 * 0.29 + 540.23 * 3.75 * 0.86 + 703.70 * 2.30 * 1 + 851.85 * 2.30 * 1 + 401.87 * 4.60 * 1) / (2.10 * 1 + 4.20 * 0.29 + 3.75 * 0.86 + 2.30 * 1 + 2.30 * 1 + 4.60 * 1) = 573.8196959220928
p2 = (851.85 * 2.30 * 1 + 401.87 * 4.60 * 1 + 540.23 * 3.75 * 0.86 + 703.70 * 2.30 * 1) / max_coefficients = 481.88171183974833
score = 573.8196959220928 * 0.5 + 481.88171183974833 * 0.5 = 527.8507038809206
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-07-06 | 46 -> 45 | 525.39 -> 527.85 |
IX Russian Riichi Championship: 43% -> 29% |
| 2024-07-03 | 47 -> 46 | 525.39 | |
| 2024-06-11 | 49 -> 47 | 525.95 -> 525.39 |
Money can not buy tenpai: 100% -> 86% |
| 2024-06-09 | 46 -> 49 | 525.95 | |
| 2024-05-25 | 45 -> 46 | 525.95 | |
| 2024-05-19 | 44 -> 45 | 525.95 | |
| 2024-05-12 | 25 -> 44 | 568.10 -> 525.95 |
X Russian Championship: 0% -> 100% |
| 2024-05-06 | 27 -> 25 | 563.66 -> 568.10 |
IX Russian Riichi Championship: 57% -> 43% |
| 2024-04-18 | 29 -> 27 | 563.66 | |
| 2024-04-12 | 28 -> 29 | 563.66 |