Shpilman Anna
From Saint Petersburg, Russia
EMA: 15990070
Internal rating (RR)
Rating date June 15, 2025 (latest changes June 15, 2025).
163 place (229.78).
how we calculated rating score
max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266
p1 = (336.45 * 4 * 0.29 + 666.67 * 3.05 * 0.86 + 157.89 * 3.85 * 1 + 0 + 0) / (4 * 0.29 + 3.05 * 0.86 + 3.85 * 1 + 1 + 1) = 284.70519535066006
p2 = (666.67 * 3.05 * 0.86 + 157.89 * 3.85 * 1 + 336.45 * 4 * 0.29) / max_coefficients = 174.85197530343302
score = 284.70519535066006 * 0.5 + 174.85197530343302 * 0.5 = 229.77858532704653
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-06-15 | 150 -> 163 | 232.37 -> 229.78 | |
2025-06-11 | 156 -> 150 | 232.37 | |
2025-06-09 | 153 -> 156 | 250.22 -> 232.37 |
Agari Summer Tournament 2024: 100% -> 86% |
2025-06-08 | 152 -> 153 | 250.22 | |
2025-05-12 | 153 -> 152 | 246.09 -> 250.22 | |
2025-05-03 | 148 -> 153 | 253.10 -> 246.09 |
SPB Riichi Open 2023: 43% -> 29% |
2025-04-26 | 145 -> 148 | 253.10 | |
2025-04-11 | 146 -> 145 | 253.10 | |
2025-03-03 | 143 -> 146 | 260.02 -> 253.10 |
SPB Riichi Open 2023: 57% -> 43% |
2025-03-02 | 138 -> 143 | 260.02 |