Dulenko Galina
From Saint Petersburg, Russia
EMA: 15990009
Common russian riichi rating (CRR)
Rating date July 25, 2025 (latest changes July 25, 2025).
236 place (164.46).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35
p1 = (560.75 * 4 * 0.14 + 263.16 * 1.50 * 0.71 + 273.68 * 3.85 * 1 + 0 + 0) / (4 * 0.14 + 1.50 * 0.71 + 3.85 * 1 + 1 + 1) = 221.02615089983385
p2 = (273.68 * 3.85 * 1 + 560.75 * 4 * 0.14 + 263.16 * 1.50 * 0.71) / max_coefficients = 107.89315960912053
score = 221.02615089983385 * 0.5 + 107.89315960912053 * 0.5 = 164.45965525447718
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-07-25 | 236 | 166.88 -> 164.46 |
Duplicate riichi mahjong tournament 2024: 86% -> 71% |
2025-07-13 | 232 -> 236 | 166.88 | |
2025-07-12 | 232 | 165.84 -> 166.88 | |
2025-07-05 | 233 -> 232 | 165.84 | |
2025-07-03 | 222 -> 233 | 187.76 -> 165.84 |
SPB Riichi Open 2023: 29% -> 14% |
2025-06-27 | 223 -> 222 | 187.76 | |
2025-06-25 | 224 -> 223 | 187.76 | |
2025-06-15 | 215 -> 224 | 189.68 -> 187.76 | |
2025-06-14 | 209 -> 215 | 189.68 | |
2025-06-11 | 215 -> 209 | 189.68 |