Kopylov Dmitry

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date May 6, 2023 (latest changes May 6, 2023).

126 place (172.48).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985

p1 = (135.14 * 4.05 * 1 + 384.62 * 1.80 * 1 + 120 * 4.20 * 1 + 0 * 1.80 * 1 + 434.78 * 1.40 * 1) / (4.05 * 1 + 1.80 * 1 + 4.20 * 1 + 1.80 * 1 + 1.40 * 1) = 177.5328301886792

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 = 177.5328301886792 * 0.5 + 167.425986754307 * 0.5 = 172.47940847149312

Rating changes

Show

all results
Date Place Points Reason
2023-05-01 124 -> 126 172.48
2023-04-22 130 -> 124 129.90 -> 172.48

Fire cup 2023: 0% -> 100%
2023-03-20 130 127.76 -> 129.90
2023-03-05 131 -> 130 127.76
2023-02-25 122 -> 131 132.27 -> 127.76

Earth cup: 0% -> 100%
2023-01-28 123 -> 122 131.63 -> 132.27
2023-01-14 120 -> 123 131.63
2023-01-05 121 -> 120 131.63
2023-01-03 125 -> 121 131.63
2022-12-19 125 131.06 -> 131.63

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 435 2023-04-22 14/24 100% 1.40 CRR Fire cup 2023
2 0 2023-02-25 32/32 100% 1.80 CRR Earth cup
3 120 2022-11-06 67/76 100% 4.20 RR IX Russian Riichi Championship
4 385 2022-08-27 25/40 100% 1.80 CRR Sun tournament
5 135 2022-06-12 97/112 100% 4.05 RR Moscow Riichi 2022