Kopylov Dmitry
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date Nov. 9, 2023 (latest changes Nov. 9, 2023).
153 place (176.03).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.80 * 1) = 14.149820000000002
p1 = (135.14 * 4.05 * 0.57 + 384.62 * 1.80 * 0.71 + 120 * 4.20 * 0.86 + 0 * 1.80 * 1 + 434.78 * 1.40 * 1 + 205.61 * 4 * 1) / (4.05 * 0.57 + 1.80 * 0.71 + 4.20 * 0.86 + 1.80 * 1 + 1.40 * 1 + 4 * 1) = 185.4451437631122
p2 = (205.61 * 4 * 1 + 434.78 * 1.40 * 1 + 384.62 * 1.80 * 0.71 + 120 * 4.20 * 0.86) / max_coefficients = 166.6190806667505
score = 185.4451437631122 * 0.5 + 166.6190806667505 * 0.5 = 176.03211221493137
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-11-09 | 154 -> 153 | 176.03 | |
2023-11-06 | 155 -> 154 | 173.77 -> 176.03 |
IX Russian Riichi Championship: 100% -> 86% |
2023-11-05 | 149 -> 155 | 173.77 | |
2023-10-27 | 149 | 178.83 -> 173.77 |
Sun tournament: 86% -> 71% |
2023-10-22 | 147 -> 149 | 178.83 | |
2023-10-19 | 148 -> 147 | 178.83 | |
2023-10-12 | 149 -> 148 | 177.35 -> 178.83 |
Moscow Riichi 2022: 71% -> 57% |
2023-09-28 | 151 -> 149 | 177.35 | |
2023-09-06 | 152 -> 151 | 177.35 | |
2023-09-05 | 153 -> 152 | 177.35 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 206 |
|
86/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 435 |
|
14/24 | 100% | 1.40 | CRR | Fire cup 2023 |
3 | 0 |
|
32/32 | 100% | 1.80 | CRR | Earth cup |
4 | 120 |
|
67/76 | 86% | 4.20 | RR | IX Russian Riichi Championship |
5 | 385 |
|
25/40 | 71% | 1.80 | CRR | Sun tournament |
6 | 135 |
|
97/112 | 57% | 4.05 | RR | Moscow Riichi 2022 |