Zarezin Ivan
From Yekaterinburg, Russia
EMA: 15020003
Common russian riichi rating (CRR)
Rating date Aug. 4, 2024 (latest changes Aug. 4, 2024).
31 place (625.79).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.75 * 0.86) = 15.464125
p1 = (440 * 4.20 * 0.29 + 540.23 * 3.75 * 0.86 + 631.58 * 2.10 * 1 + 703.70 * 2.30 * 1 + 851.85 * 2.30 * 1 + 401.87 * 4.60 * 1 + 808.51 * 2.80 * 1 + 873.42 * 3.65 * 1) / (4.20 * 0.29 + 3.75 * 0.86 + 2.10 * 1 + 2.30 * 1 + 2.30 * 1 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1) = 652.8062428981327
p2 = (873.42 * 3.65 * 1 + 808.51 * 2.80 * 1 + 851.85 * 2.30 * 1 + 401.87 * 4.60 * 1) / max_coefficients = 598.7833129905507
score = 652.8062428981327 * 0.5 + 598.7833129905507 * 0.5 = 625.7947779443417
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-08-04 | 40 -> 31 | 567.30 -> 625.79 |
Riichi over Volga: 0% -> 100% |
| 2024-07-14 | 45 -> 40 | 527.85 -> 567.30 |
Guardian of the Winds: 0% -> 100% |
| 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% |