Shpilman Anna
From Saint Petersburg, Russia
EMA: 15990070
Common russian riichi rating (CRR)
Rating date Oct. 10, 2025 (latest changes Oct. 9, 2025).
193 place (237.82).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (894.74 * 1.50 * 0.57 + 666.67 * 3.05 * 0.57 + 157.89 * 3.85 * 0.86 + 0 + 0) / (1.50 * 0.57 + 3.05 * 0.57 + 3.85 * 0.86 + 1 + 1) = 310.10778250580245
p2 = (666.67 * 3.05 * 0.57 + 894.74 * 1.50 * 0.57 + 157.89 * 3.85 * 0.86) / max_coefficients = 165.52432432432434
score = 310.10778250580245 * 0.5 + 165.52432432432434 * 0.5 = 237.81605341506338
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-10-09 | 186 -> 193 | 256.95 -> 237.82 |
Agari Summer Tournament 2024: 71% -> 57% |
2025-10-04 | 187 -> 186 | 256.95 | |
2025-09-25 | 180 -> 187 | 270.53 -> 256.95 |
Duplicate riichi mahjong tournament 2024: 71% -> 57% |
2025-09-12 | 182 -> 180 | 270.53 | |
2025-09-05 | 183 -> 182 | 270.53 | |
2025-09-03 | 165 -> 183 | 297.91 -> 270.53 |
SPB Riichi Open 2023: 14% -> 0% |
2025-09-01 | 171 -> 165 | 290.79 -> 297.91 |
SPB Riichi Open 2024: 100% -> 86% |
2025-08-31 | 167 -> 171 | 290.79 | |
2025-08-25 | 170 -> 167 | 290.79 | |
2025-08-09 | 157 -> 170 | 307.43 -> 290.79 |
Agari Summer Tournament 2024: 86% -> 71% |