Saifulin Andrei
From Yekaterinburg, Russia
Common russian riichi rating (CRR)
Rating date July 11, 2025 (latest changes July 10, 2025).
58 place (557.95).
how we calculated rating score
max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266
p1 = (736.84 * 2.10 * 0.14 + 370.37 * 2.30 * 0.29 + 703.70 * 2.30 * 0.57 + 936.17 * 2.80 * 1 + 709.68 * 2.40 * 1) / (2.10 * 0.14 + 2.30 * 0.29 + 2.30 * 0.57 + 2.80 * 1 + 2.40 * 1) = 764.756900294723
p2 = (936.17 * 2.80 * 1 + 709.68 * 2.40 * 1 + 703.70 * 2.30 * 0.57 + 370.37 * 2.30 * 0.29) / max_coefficients = 351.1359321240761
score = 764.756900294723 * 0.5 + 351.1359321240761 * 0.5 = 557.9464162093996
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-07-05 | 60 -> 58 | 553.53 -> 557.95 |
Finding Dora: 43% -> 29% |
2025-07-03 | 59 -> 60 | 553.53 | |
2025-06-27 | 59 | 555.78 -> 553.53 |
13 tiles until tempai: 29% -> 14% |
2025-06-25 | 59 | 562.31 -> 555.78 |
Chasing Kan: 71% -> 57% |
2025-06-15 | 55 -> 59 | 567.92 -> 562.31 | |
2025-06-11 | 56 -> 55 | 567.92 | |
2025-06-09 | 58 -> 56 | 567.92 | |
2025-05-26 | 57 -> 58 | 567.92 | |
2025-05-19 | 58 -> 57 | 567.92 | |
2025-05-12 | 56 -> 58 | 559.84 -> 567.92 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
---|---|---|---|---|---|---|---|---|
1 | 710 |
|
10/32 | 100% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg |
2 | 936 |
|
4/48 | 100% | 2.80 | RR | Guardian of the Winds | Yekaterinburg |
3 | 704 |
|
9/28 | 57% | 2.30 | CRR | Chasing Kan | Yekaterinburg |
4 | 370 |
|
18/28 | 29% | 2.30 | CRR | Finding Dora | Yekaterinburg |
5 | 737 |
|
6/20 | 14% | 2.10 | CRR | 13 tiles until tempai | Yekaterinburg |