Timofeev Valentin
From Novosibirsk, Russia
EMA: 15020017
Internal rating (RR)
Rating date June 11, 2025 (latest changes June 11, 2025).
145 place (250.50).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (74.77 * 4 * 0.29 + 1000 * 2.10 * 0.71 + 371.43 * 1.90 * 1 + 0 + 0) / (4 * 0.29 + 2.10 * 0.71 + 1.90 * 1 + 1 + 1) = 350.1818020642444
p2 = (1000 * 2.10 * 0.71 + 371.43 * 1.90 * 1 + 74.77 * 4 * 0.29) / max_coefficients = 150.8083508746987
score = 350.1818020642444 * 0.5 + 150.8083508746987 * 0.5 = 250.49507646947154
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-06-11 | 152 -> 145 | 250.50 | |
| 2025-06-08 | 151 -> 152 | 250.50 | |
| 2025-05-30 | 145 -> 151 | 274.60 -> 250.50 |
Seihoku spring tournament 2024: 86% -> 71% |
| 2025-05-12 | 145 | 271.07 -> 274.60 | |
| 2025-05-03 | 143 -> 145 | 260.70 -> 271.07 |
SPB Riichi Open 2023: 43% -> 29% |
| 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 |