Zarezin Ivan
From Yekaterinburg, Russia
EMA: 15020003
Common russian riichi rating (CRR)
Rating date Aug. 25, 2024 (latest changes Aug. 25, 2024).
30 place (630.40).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.05 * 1) = 15.3
p1 = (631.58 * 2.10 * 1 + 440 * 4.20 * 0.29 + 540.23 * 3.75 * 0.71 + 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) / (2.10 * 1 + 4.20 * 0.29 + 3.75 * 0.71 + 2.30 * 1 + 2.30 * 1 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1) = 655.5931935382675
p2 = (873.42 * 3.65 * 1 + 808.51 * 2.80 * 1 + 851.85 * 2.30 * 1 + 401.87 * 4.60 * 1) / max_coefficients = 605.2065359477124
score = 655.5931935382675 * 0.5 + 605.2065359477124 * 0.5 = 630.39986474299
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-08-20 | 31 -> 30 | 630.40 | |
| 2024-08-11 | 31 | 625.79 -> 630.40 |
Money can not buy tenpai: 86% -> 71% |
| 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 |