Borzonogov Vitaly
From Arkhangelsk, Russia
EMA: 15990253
Common russian riichi rating (CRR)
Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).
35 place (512.03).
how we calculated rating score
max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645
p1 = (454.55 * 2.20 * 0.14 + 818.18 * 2.50 * 0.57 + 444.44 * 3.85 * 0.71 + 947.37 * 2.40 * 1 + 0) / (2.20 * 0.14 + 2.50 * 0.57 + 3.85 * 0.71 + 2.40 * 1 + 1) = 609.1016839743392
p2 = (947.37 * 2.40 * 1 + 444.44 * 3.85 * 0.71 + 818.18 * 2.50 * 0.57 + 454.55 * 2.20 * 0.14) / max_coefficients = 414.9617910785286
score = 609.1016839743392 * 0.5 + 414.9617910785286 * 0.5 = 512.0317375264339
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2021-02-01 | 52 -> 35 | 563.58 -> 512.03 | |
| 2020-02-01 | 52 | 563.58 |