Kopylov Dmitry
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date March 20, 2023 (latest changes March 20, 2023).
129 place (129.90).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985
p1 = (384.62 * 1.80 * 1 + 120 * 4.20 * 1 + 0 * 1.80 * 1 + 135.14 * 4.05 * 1 + 0) / (1.80 * 1 + 4.20 * 1 + 1.80 * 1 + 4.05 * 1 + 1) = 135.68949416342411
p2 = (384.62 * 1.80 * 1 + 135.14 * 4.05 * 1 + 120 * 4.20 * 1 + 0 * 1.80 * 1) / max_coefficients = 124.10168080086264
score = 135.68949416342411 * 0.5 + 124.10168080086264 * 0.5 = 129.89558748214338
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-03-20 | 129 | 127.76 -> 129.90 | |
2023-03-05 | 130 -> 129 | 127.76 | |
2023-02-25 | 121 -> 130 | 132.27 -> 127.76 |
Earth cup: 0% -> 100% |
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 | |
2022-11-28 | 122 | 129.70 -> 131.06 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 0 |
|
32/32 | 100% | 1.80 | CRR | Earth cup |
2 | 120 |
|
67/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
3 | 385 |
|
25/40 | 100% | 1.80 | CRR | Sun tournament |
4 | 135 |
|
97/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |