Shpilman Anna
From Saint Petersburg, Russia
EMA: 15990070
Common russian riichi rating (CRR)
Rating date Nov. 27, 2025 (latest changes Nov. 26, 2025).
200 place (224.76).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (894.74 * 1.50 * 0.43 + 666.67 * 3.05 * 0.57 + 157.89 * 3.85 * 0.71 + 0 + 0) / (1.50 * 0.43 + 3.05 * 0.57 + 3.85 * 0.71 + 1 + 1) = 304.28582940065655
p2 = (666.67 * 3.05 * 0.57 + 894.74 * 1.50 * 0.43 + 157.89 * 3.85 * 0.71) / max_coefficients = 145.23745819397996
score = 304.28582940065655 * 0.5 + 145.23745819397996 * 0.5 = 224.76164379731824
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-25 | 197 -> 200 | 239.77 -> 224.76 |
Duplicate riichi mahjong tournament 2024: 57% -> 43% |
| 2025-11-22 | 195 -> 197 | 239.77 | |
| 2025-11-19 | 196 -> 195 | 239.77 | |
| 2025-11-14 | 197 -> 196 | 239.77 | |
| 2025-11-12 | 198 -> 197 | 239.77 | |
| 2025-11-04 | 191 -> 198 | 243.37 -> 239.77 | |
| 2025-11-01 | 193 -> 191 | 240.41 -> 243.37 |
SPB Riichi Open 2024: 86% -> 71% |
| 2025-10-13 | 193 | 237.82 -> 240.41 | |
| 2025-10-09 | 186 -> 193 | 256.95 -> 237.82 |
Agari Summer Tournament 2024: 71% -> 57% |
| 2025-10-04 | 187 -> 186 | 256.95 |