Kopylov Dmitry
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date May 6, 2023 (latest changes May 6, 2023).
125 place (172.48).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985
p1 = (0 * 1.80 * 1 + 135.14 * 4.05 * 1 + 384.62 * 1.80 * 1 + 120 * 4.20 * 1 + 434.78 * 1.40 * 1) / (1.80 * 1 + 4.05 * 1 + 1.80 * 1 + 4.20 * 1 + 1.40 * 1) = 177.53283018867924
p2 = (384.62 * 1.80 * 1 + 434.78 * 1.40 * 1 + 135.14 * 4.05 * 1 + 120 * 4.20 * 1) / max_coefficients = 167.425986754307
score = 177.53283018867924 * 0.5 + 167.425986754307 * 0.5 = 172.47940847149312
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-05-05 | 125 | 172.48 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 435 |
|
14/24 | 100% | 1.40 | CRR | Fire cup 2023 | Saint Petersburg |
| 2 | 0 |
|
32/32 | 100% | 1.80 | CRR | Earth cup | Saint Petersburg |
| 3 | 120 |
|
67/76 | 100% | 4.20 | RR | IX Russian Riichi Championship | Perm |
| 4 | 385 |
|
25/40 | 100% | 1.80 | CRR | Sun tournament | Saint Petersburg |
| 5 | 135 |
|
97/112 | 100% | 4.05 | RR | Moscow Riichi 2022 | Moscow |