Saifulin Andrei
From Yekaterinburg, Russia
Internal rating (RR)
Rating date July 25, 2025 (latest changes July 14, 2025).
106 place (381.87).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35
p1 = (936.17 * 2.80 * 0.86 + 709.68 * 2.40 * 1 + 0 + 0 + 0) / (2.80 * 0.86 + 2.40 * 1 + 1 + 1 + 1) = 506.4090729600968
p2 = (936.17 * 2.80 * 0.86 + 709.68 * 2.40 * 1) / max_coefficients = 257.3244299674267
score = 506.4090729600968 * 0.5 + 257.3244299674267 * 0.5 = 381.8667514637617
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-07-14 | 100 -> 106 | 404.55 -> 381.87 |
Guardian of the Winds: 100% -> 86% |
2025-07-13 | 99 -> 100 | 404.55 | |
2025-07-12 | 98 -> 99 | 401.92 -> 404.55 | |
2025-07-10 | 99 -> 98 | 401.92 | |
2025-06-15 | 93 -> 99 | 406.01 -> 401.92 | |
2025-06-11 | 96 -> 93 | 406.01 | |
2025-05-12 | 97 -> 96 | 400.11 -> 406.01 | |
2025-05-03 | 93 -> 97 | 400.11 | |
2025-04-26 | 92 -> 93 | 400.11 | |
2025-04-11 | 96 -> 92 | 400.11 |
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 |