Kopylov Dmitry
From Saint Petersburg, Russia
Internal rating (RR)
Rating date July 6, 2023 (latest changes July 6, 2023).
118 place (80.54).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.71) = 13.921305
p1 = (120 * 4.20 * 1 + 135.14 * 4.05 * 0.86 + 0 + 0 + 0) / (4.20 * 1 + 4.05 * 0.86 + 1 + 1 + 1) = 91.1879624280368
p2 = (120 * 4.20 * 1 + 135.14 * 4.05 * 0.86) / max_coefficients = 69.8993377416844
score = 91.1879624280368 * 0.5 + 69.8993377416844 * 0.5 = 80.5436500848606
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-06-19 | 118 | 80.54 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 120 |
|
67/76 | 100% | 4.20 | RR | IX Russian Riichi Championship | Perm |
| 2 | 135 |
|
97/112 | 86% | 4.05 | RR | Moscow Riichi 2022 | Moscow |