Zarezin Ivan
From Yekaterinburg, Russia
EMA: 15020003
Internal rating (RR)
Rating date Sept. 3, 2024 (latest changes Sept. 3, 2024).
31 place (592.32).
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 * 0.29 + 540.23 * 3.75 * 0.71 + 401.87 * 4.60 * 1 + 808.51 * 2.80 * 1 + 873.42 * 3.65 * 1) / (4.20 * 0.29 + 3.75 * 0.71 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1) = 621.3216072676777
p2 = (873.42 * 3.65 * 1 + 808.51 * 2.80 * 1 + 401.87 * 4.60 * 1 + 540.23 * 3.75 * 0.71) / max_coefficients = 563.3207542309574
score = 621.3216072676777 * 0.5 + 563.3207542309574 * 0.5 = 592.3211807493176
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-09-03 | 32 -> 31 | 582.32 -> 592.32 | |
| 2024-09-01 | 27 -> 32 | 596.53 -> 582.32 | |
| 2024-08-11 | 27 | 601.44 -> 596.53 |
Money can not buy tenpai: 86% -> 71% |
| 2024-08-04 | 54 -> 27 | 463.32 -> 601.44 |
Riichi over Volga: 0% -> 100% |
| 2024-07-14 | 83 -> 54 | 325.06 -> 463.32 |
Guardian of the Winds: 0% -> 100% |
| 2024-07-06 | 81 -> 83 | 335.67 -> 325.06 |
IX Russian Riichi Championship: 43% -> 29% |
| 2024-06-11 | 84 -> 81 | 343.55 -> 335.67 |
Money can not buy tenpai: 100% -> 86% |
| 2024-06-09 | 80 -> 84 | 343.55 | |
| 2024-05-12 | 75 -> 80 | 274.01 -> 343.55 |
X Russian Championship: 0% -> 100% |
| 2024-05-06 | 73 -> 75 | 285.14 -> 274.01 |
IX Russian Riichi Championship: 57% -> 43% |