Timofeev Valentin
From Novosibirsk, Russia
EMA: 15020017
Common russian riichi rating (CRR)
Rating date July 11, 2025 (latest changes July 10, 2025).
182 place (260.13).
how we calculated rating score
max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266
p1 = (74.77 * 4 * 0.14 + 1000 * 2.10 * 0.71 + 371.43 * 1.90 * 1 + 0 + 0) / (4 * 0.14 + 2.10 * 0.71 + 1.90 * 1 + 1 + 1) = 376.5270118878765
p2 = (1000 * 2.10 * 0.71 + 371.43 * 1.90 * 1 + 74.77 * 4 * 0.14) / max_coefficients = 143.7402590096569
score = 376.5270118878765 * 0.5 + 143.7402590096569 * 0.5 = 260.1336354487667
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-07-10 | 181 -> 182 | 260.13 | |
| 2025-07-03 | 192 -> 181 | 248.33 -> 260.13 |
SPB Riichi Open 2023: 29% -> 14% |
| 2025-06-15 | 183 -> 192 | 250.50 -> 248.33 | |
| 2025-06-14 | 180 -> 183 | 250.50 | |
| 2025-06-11 | 186 -> 180 | 250.50 | |
| 2025-06-09 | 187 -> 186 | 250.50 | |
| 2025-05-30 | 176 -> 187 | 274.60 -> 250.50 |
Seihoku spring tournament 2024: 86% -> 71% |
| 2025-05-17 | 174 -> 176 | 274.60 | |
| 2025-05-12 | 174 | 271.07 -> 274.60 | |
| 2025-05-03 | 175 -> 174 | 260.70 -> 271.07 |
SPB Riichi Open 2023: 43% -> 29% |