Saifulin Andrei
From Yekaterinburg, Russia
Common russian riichi rating (CRR)
Rating date Feb. 26, 2025 (latest changes Feb. 26, 2025).
71 place (492.85).
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 * 0.57 + 370.37 * 2.30 * 0.71 + 703.70 * 2.30 * 0.86 + 936.17 * 2.80 * 1 + 0) / (2.10 * 0.57 + 2.30 * 0.71 + 2.30 * 0.86 + 2.80 * 1 + 1) = 638.6182750262359
p2 = (936.17 * 2.80 * 1 + 703.70 * 2.30 * 0.86 + 736.84 * 2.10 * 0.57 + 370.37 * 2.30 * 0.71) / max_coefficients = 347.0763406940063
score = 638.6182750262359 * 0.5 + 347.0763406940063 * 0.5 = 492.8473078601211
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2025-01-07 | 56 -> 59 | 501.34 | |
| 2025-01-05 | 56 | 500.38 -> 501.34 |
Finding Dora: 86% -> 71% |
| 2025-01-03 | 59 -> 56 | 500.38 | |
| 2024-12-27 | 56 -> 59 | 509.01 -> 500.38 |
13 tiles until tempai: 71% -> 57% |
| 2024-12-18 | 57 -> 56 | 509.01 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 936 |
|
4/48 | 100% | 2.80 | RR | Guardian of the Winds |
| 2 | 704 |
|
9/28 | 86% | 2.30 | CRR | Chasing Kan |
| 3 | 370 |
|
18/28 | 71% | 2.30 | CRR | Finding Dora |
| 4 | 737 |
|
6/20 | 57% | 2.10 | CRR | 13 tiles until tempai |