Bykov Dmitriy
From Saint Petersburg, Russia
EMA: 15990236
Common russian riichi rating (CRR)
Rating date Sept. 3, 2023 (latest changes Sept. 3, 2023).
150 place (186.07).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (746.67 * 3.45 * 0.29 + 299.07 * 4 * 1 + 0 + 0 + 0) / (3.45 * 0.29 + 4 * 1 + 1 + 1 + 1) = 241.9610639815219
p2 = (299.07 * 4 * 1 + 746.67 * 3.45 * 0.29) / max_coefficients = 130.1779333776418
score = 241.9610639815219 * 0.5 + 130.1779333776418 * 0.5 = 186.06949867958184
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-09-03 | 73 -> 150 | 490.15 -> 186.07 |
SPB Riichi Open 2023: 0% -> 100% |
2020-02-01 | 73 | 490.15 |