Kopylov Dmitry
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date Jan. 28, 2023 (latest changes Jan. 28, 2023).
121 place (132.27).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 2.80 * 1) = 14.55
p1 = (384.62 * 1.80 * 1 + 120 * 4.20 * 1 + 135.14 * 4.05 * 1 + 0 + 0) / (1.80 * 1 + 4.20 * 1 + 4.05 * 1 + 1 + 1) = 144.6979253112033
p2 = (384.62 * 1.80 * 1 + 135.14 * 4.05 * 1 + 120 * 4.20 * 1) / max_coefficients = 119.8357388316151
score = 144.6979253112033 * 0.5 + 119.8357388316151 * 0.5 = 132.2668320714092
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-01-28 | 122 -> 121 | 131.63 -> 132.27 | |
2023-01-14 | 119 -> 122 | 131.63 | |
2023-01-05 | 120 -> 119 | 131.63 | |
2023-01-03 | 124 -> 120 | 131.63 | |
2022-12-19 | 124 | 131.06 -> 131.63 | |
2022-12-18 | 122 -> 124 | 131.06 | |
2022-12-03 | 122 | 131.06 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 120 |
|
67/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
2 | 385 |
|
25/40 | 100% | 1.80 | CRR | Sun tournament |
3 | 135 |
|
97/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |