Saifulin Andrei
From Yekaterinburg, Russia
Common russian riichi rating (CRR)
Rating date March 15, 2026 (latest changes March 15, 2026).
93 place (455.77).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (936.17 * 2.80 * 0.29 + 709.68 * 2.40 * 0.86 + 914.29 * 2.50 * 1 + 0 + 0) / (2.80 * 0.29 + 2.40 * 0.86 + 2.50 * 1 + 1 + 1) = 610.9066195460107
p2 = (914.29 * 2.50 * 1 + 709.68 * 2.40 * 0.86 + 936.17 * 2.80 * 0.29) / max_coefficients = 300.6314381270903
score = 610.9066195460107 * 0.5 + 300.6314381270903 * 0.5 = 455.7690288365505
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-03-15 | 95 -> 93 | 455.77 | |
| 2026-03-14 | 88 -> 95 | 476.69 -> 455.77 |
Guardian of the Winds: 43% -> 29% |
| 2026-03-02 | 84 -> 88 | 486.56 -> 476.69 |
Riichi Maslenitsa (shrovetide): 100% -> 86% |
| 2026-03-01 | 86 -> 84 | 486.56 | |
| 2026-02-25 | 64 -> 86 | 538.38 -> 486.56 |
Chasing Kan: 14% -> 0% |
| 2026-02-23 | 58 -> 64 | 538.38 | |
| 2026-02-16 | 60 -> 58 | 538.38 | |
| 2026-02-13 | 64 -> 60 | 538.38 | |
| 2026-02-08 | 134 -> 64 | 360.17 -> 538.38 |
One tsumo until spring: 0% -> 100% |
| 2026-01-25 | 133 -> 134 | 360.17 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 914 |
|
4/36 | 100% | 2.50 | RR | One tsumo until spring | Yekaterinburg | |
| 2 | 710 |
|
10/32 | 86% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg | |
| 3 | 936 |
|
4/48 | 29% | 2.80 | RR | Guardian of the Winds | Yekaterinburg | |
| 4 | 704 |
|
9/28 | 0% | 2.30 | CRR | Chasing Kan | Yekaterinburg | |
| 5 | 370 |
|
18/28 | 0% | 2.30 | CRR | Finding Dora | Yekaterinburg | |
| 6 | 737 |
|
6/20 | 0% | 2.10 | CRR | 13 tiles until tempai | Yekaterinburg |