Timofeev Valentin
From Novosibirsk, Russia
EMA: 15020017
Internal rating (RR)
Rating date April 27, 2025 (latest changes April 27, 2025).
143 place (260.70).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (74.77 * 4 * 0.43 + 1000 * 2.10 * 0.86 + 371.43 * 1.90 * 1 + 0 + 0) / (4 * 0.43 + 2.10 * 0.86 + 1.90 * 1 + 1 + 1) = 355.231977082156
p2 = (1000 * 2.10 * 0.86 + 371.43 * 1.90 * 1 + 74.77 * 4 * 0.43) / max_coefficients = 166.17034700315457
score = 355.231977082156 * 0.5 + 166.17034700315457 * 0.5 = 260.70116204265526
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-04-26 | 161 -> 143 | 208.81 -> 260.70 |
Seihoku spring tournament 2025: 0% -> 100% |
| 2025-04-11 | 163 -> 161 | 208.81 | |
| 2025-03-30 | 155 -> 163 | 233.78 -> 208.81 |
Seihoku spring tournament 2024: 100% -> 86% |
| 2025-03-03 | 158 -> 155 | 225.37 -> 233.78 |
SPB Riichi Open 2023: 57% -> 43% |
| 2025-03-02 | 154 -> 158 | 225.37 | |
| 2025-02-16 | 143 -> 154 | 225.37 | |
| 2025-02-02 | 134 -> 143 | 225.37 | |
| 2025-01-26 | 127 -> 134 | 225.37 | |
| 2025-01-07 | 124 -> 127 | 225.37 | |
| 2025-01-03 | 128 -> 124 | 218.36 -> 225.37 |
SPB Riichi Open 2023: 71% -> 57% |