Saifulin Andrei
From Yekaterinburg, Russia
Common russian riichi rating (CRR)
Rating date May 20, 2025 (latest changes May 19, 2025).
57 place (567.92).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (736.84 * 2.10 * 0.29 + 370.37 * 2.30 * 0.43 + 703.70 * 2.30 * 0.71 + 936.17 * 2.80 * 1 + 709.68 * 2.40 * 1) / (2.10 * 0.29 + 2.30 * 0.43 + 2.30 * 0.71 + 2.80 * 1 + 2.40 * 1) = 746.0041003056245
p2 = (936.17 * 2.80 * 1 + 709.68 * 2.40 * 1 + 703.70 * 2.30 * 0.71 + 736.84 * 2.10 * 0.29) / max_coefficients = 389.8395672647186
score = 746.0041003056245 * 0.5 + 389.8395672647186 * 0.5 = 567.9218337851715
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-05-19 | 58 -> 57 | 567.92 | |
2025-05-12 | 56 -> 58 | 559.84 -> 567.92 | |
2025-05-05 | 59 -> 56 | 554.20 -> 559.84 |
Finding Dora: 57% -> 43% |
2025-05-03 | 57 -> 59 | 554.20 | |
2025-04-27 | 53 -> 57 | 559.85 -> 554.20 |
13 tiles until tempai: 43% -> 29% |
2025-04-25 | 49 -> 53 | 566.65 -> 559.85 |
Chasing Kan: 86% -> 71% |
2025-04-22 | 50 -> 49 | 566.65 | |
2025-03-10 | 51 -> 50 | 566.65 | |
2025-03-05 | 53 -> 51 | 560.54 -> 566.65 |
Finding Dora: 71% -> 57% |
2025-03-03 | 55 -> 53 | 560.54 |
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 | 71% | 2.30 | CRR | Chasing Kan | Yekaterinburg |
4 | 370 |
|
18/28 | 43% | 2.30 | CRR | Finding Dora | Yekaterinburg |
5 | 737 |
|
6/20 | 29% | 2.10 | CRR | 13 tiles until tempai | Yekaterinburg |