Saifulin Andrei
From Yekaterinburg, Russia
Common russian riichi rating (CRR)
Rating date March 31, 2025 (latest changes March 30, 2025).
50 place (566.65).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (736.84 * 2.10 * 0.43 + 370.37 * 2.30 * 0.57 + 703.70 * 2.30 * 0.86 + 936.17 * 2.80 * 1 + 709.68 * 2.40 * 1) / (2.10 * 0.43 + 2.30 * 0.57 + 2.30 * 0.86 + 2.80 * 1 + 2.40 * 1) = 731.0862053718406
p2 = (936.17 * 2.80 * 1 + 709.68 * 2.40 * 1 + 703.70 * 2.30 * 0.86 + 736.84 * 2.10 * 0.43) / max_coefficients = 402.20441640378544
score = 731.0862053718406 * 0.5 + 402.20441640378544 * 0.5 = 566.645310887813
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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 | |
2025-03-02 | 72 -> 55 | 484.10 -> 560.54 |
Riichi Maslenitsa (shrovetide): 0% -> 100% |
2025-02-27 | 71 -> 72 | 492.85 -> 484.10 |
13 tiles until tempai: 57% -> 43% |
2025-02-25 | 68 -> 71 | 501.34 -> 492.85 |
Chasing Kan: 100% -> 86% |
2025-02-16 | 60 -> 68 | 501.34 | |
2025-02-11 | 62 -> 60 | 501.34 | |
2025-02-02 | 60 -> 62 | 501.34 | |
2025-01-26 | 59 -> 60 | 501.34 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 710 |
|
10/32 | 100% | 2.40 | RR | Riichi Maslenitsa (shrovetide) |
2 | 936 |
|
4/48 | 100% | 2.80 | RR | Guardian of the Winds |
3 | 704 |
|
9/28 | 86% | 2.30 | CRR | Chasing Kan |
4 | 370 |
|
18/28 | 57% | 2.30 | CRR | Finding Dora |
5 | 737 |
|
6/20 | 43% | 2.10 | CRR | 13 tiles until tempai |