Saifulin Andrei
From Yekaterinburg, Russia
Common russian riichi rating (CRR)
Rating date Aug. 26, 2025 (latest changes Aug. 26, 2025).
76 place (489.06).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
p1 = (370.37 * 2.30 * 0.29 + 703.70 * 2.30 * 0.43 + 936.17 * 2.80 * 0.86 + 709.68 * 2.40 * 1 + 0) / (2.30 * 0.29 + 2.30 * 0.43 + 2.80 * 0.86 + 2.40 * 1 + 1) = 656.6103749007426
p2 = (936.17 * 2.80 * 0.86 + 709.68 * 2.40 * 1 + 703.70 * 2.30 * 0.43 + 370.37 * 2.30 * 0.29) / max_coefficients = 321.5131578947369
score = 656.6103749007426 * 0.5 + 321.5131578947369 * 0.5 = 489.06176639773975
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-08-26 | 64 -> 76 | 539.54 -> 489.06 | |
2025-08-25 | 62 -> 64 | 545.89 -> 539.54 |
Chasing Kan: 57% -> 43% |
2025-08-04 | 63 -> 62 | 544.24 -> 545.89 | |
2025-08-03 | 64 -> 63 | 544.24 | |
2025-07-14 | 60 -> 64 | 561.29 -> 544.24 |
Guardian of the Winds: 100% -> 86% |
2025-07-13 | 59 -> 60 | 561.29 | |
2025-07-12 | 58 -> 59 | 557.95 -> 561.29 | |
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% |
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 | 86% | 2.80 | RR | Guardian of the Winds | Yekaterinburg | |
3 | 704 |
|
9/28 | 43% | 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 |