Zarezin Ivan
From Yekaterinburg, Russia
EMA: 15020003
Common russian riichi rating (CRR)
Rating date Sept. 15, 2024 (latest changes Sept. 15, 2024).
32 place (629.24).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
p1 = (440 * 4.20 * 0.14 + 540.23 * 3.75 * 0.71 + 631.58 * 2.10 * 0.86 + 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 * 0.14 + 3.75 * 0.71 + 2.10 * 0.86 + 2.30 * 1 + 2.30 * 1 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1) = 662.1790110964428
p2 = (873.42 * 3.65 * 1 + 808.51 * 2.80 * 1 + 851.85 * 2.30 * 1 + 401.87 * 4.60 * 1) / max_coefficients = 596.3048350119781
score = 662.1790110964428 * 0.5 + 596.3048350119781 * 0.5 = 629.2419230542105
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-09-06 | 33 -> 32 | 626.12 -> 629.24 |
IX Russian Riichi Championship: 29% -> 14% |
| 2024-09-03 | 33 | 615.53 -> 626.12 | |
| 2024-09-01 | 30 -> 33 | 630.57 -> 615.53 | |
| 2024-08-27 | 30 | 630.40 -> 630.57 |
13 tiles until tempai: 100% -> 86% |
| 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 |