Bykov Dmitriy
From Saint Petersburg, Russia
EMA: 15990236
Internal rating (RR)
Rating date Sept. 25, 2023 (latest changes Sept. 20, 2023).
119 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 |
---|---|---|---|
2023-09-20 | 123 -> 119 | 186.07 | |
2023-09-06 | 125 -> 123 | 186.07 | |
2023-09-03 | 122 -> 125 | 193.41 -> 186.07 |
SPB Riichi Open 2023: 0% -> 100% |
2023-06-19 | 125 -> 122 | 193.41 | |
2023-06-12 | 125 | 191.38 -> 193.41 | |
2023-06-11 | 115 -> 125 | 199.10 -> 191.38 | |
2023-05-30 | 112 -> 115 | 227.37 -> 199.10 |
Saint Petersburg Open 2019: 29% -> 14% |
2023-05-28 | 106 -> 112 | 258.52 -> 227.37 |
Saint Petersburg Open 2021: 57% -> 43% |
2023-05-20 | 107 -> 106 | 255.41 -> 258.52 | |
2023-05-06 | 109 -> 107 | 255.41 |