Kopylov Dmitry
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date July 3, 2024 (latest changes July 3, 2024).
132 place (236.25).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001
p1 = (384.62 * 1.80 * 0.14 + 120 * 4.20 * 0.43 + 0 * 1.80 * 0.57 + 434.78 * 1.40 * 0.71 + 205.61 * 4 * 1 + 630.43 * 2.10 * 1) / (1.80 * 0.14 + 4.20 * 0.43 + 1.80 * 0.57 + 1.40 * 0.71 + 4 * 1 + 2.10 * 1) = 284.32202225040936
p2 = (630.43 * 2.10 * 1 + 205.61 * 4 * 1 + 434.78 * 1.40 * 0.71 + 120 * 4.20 * 0.43) / max_coefficients = 188.18060262544887
score = 284.32202225040936 * 0.5 + 188.18060262544887 * 0.5 = 236.25131243792913
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-06-27 | 132 | 237.49 -> 236.25 |
Sun tournament: 29% -> 14% |
2024-06-25 | 136 -> 132 | 234.04 -> 237.49 |
Earth cup: 71% -> 57% |
2024-06-22 | 133 -> 136 | 238.38 -> 234.04 |
Fire cup 2023: 86% -> 71% |
2024-06-11 | 142 -> 133 | 231.29 -> 238.38 | |
2024-06-09 | 131 -> 142 | 231.29 | |
2024-05-25 | 128 -> 131 | 231.29 | |
2024-05-19 | 126 -> 128 | 231.29 | |
2024-05-12 | 107 -> 126 | 242.91 -> 231.29 | |
2024-05-06 | 111 -> 107 | 241.68 -> 242.91 |
IX Russian Riichi Championship: 57% -> 43% |
2024-05-05 | 110 -> 111 | 241.68 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 630 |
|
18/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
2 | 206 |
|
86/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
3 | 435 |
|
14/24 | 71% | 1.40 | CRR | Fire cup 2023 |
4 | 0 |
|
32/32 | 57% | 1.80 | CRR | Earth cup |
5 | 120 |
|
67/76 | 43% | 4.20 | RR | IX Russian Riichi Championship |
6 | 385 |
|
25/40 | 14% | 1.80 | CRR | Sun tournament |
7 | 135 |
|
97/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |