Kopylov Dmitry
From Saint Petersburg, Russia
Internal rating (RR)
Rating date March 6, 2024 (latest changes March 6, 2024).
99 place (122.29).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.57 + 4.05 * 0.29) = 11.306965
p1 = (135.14 * 4.05 * 0.29 + 120 * 4.20 * 0.57 + 205.61 * 4 * 1 + 0 + 0) / (4.05 * 0.29 + 4.20 * 0.57 + 4 * 1 + 1 + 1) = 132.5504488088007
p2 = (205.61 * 4 * 1 + 120 * 4.20 * 0.57 + 135.14 * 4.05 * 0.29) / max_coefficients = 112.0353693497769
score = 132.5504488088007 * 0.5 + 112.0353693497769 * 0.5 = 122.29290907928879
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-03-06 | 98 -> 99 | 122.12 -> 122.29 |
IX Russian Riichi Championship: 71% -> 57% |
2024-02-12 | 98 | 122.74 -> 122.12 |
Moscow Riichi 2022: 43% -> 29% |
2024-01-06 | 98 | 122.57 -> 122.74 |
IX Russian Riichi Championship: 86% -> 71% |
2023-12-19 | 111 -> 98 | 122.57 | |
2023-12-12 | 111 | 123.11 -> 122.57 |
Moscow Riichi 2022: 57% -> 43% |
2023-11-28 | 121 -> 111 | 123.11 | |
2023-11-06 | 125 -> 121 | 122.95 -> 123.11 |
IX Russian Riichi Championship: 100% -> 86% |
2023-10-12 | 125 | 123.43 -> 122.95 |
Moscow Riichi 2022: 71% -> 57% |
2023-09-28 | 126 -> 125 | 123.43 | |
2023-09-20 | 128 -> 126 | 123.43 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 206 |
|
86/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 120 |
|
67/76 | 57% | 4.20 | RR | IX Russian Riichi Championship |
3 | 135 |
|
97/112 | 29% | 4.05 | RR | Moscow Riichi 2022 |