Kopylov Dmitry

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date July 28, 2023 (latest changes July 28, 2023).

134 place (169.69).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255

p1 = (135.14 * 4.05 * 0.86 + 0 * 1.80 * 1 + 434.78 * 1.40 * 1 + 384.62 * 1.80 * 1 + 120 * 4.20 * 1) / (4.05 * 0.86 + 1.80 * 1 + 1.40 * 1 + 1.80 * 1 + 4.20 * 1) = 179.469200169991

p2 = (384.62 * 1.80 * 1 + 434.78 * 1.40 * 1 + 120 * 4.20 * 1 + 135.14 * 4.05 * 0.86) / max_coefficients = 159.90853127941241

score = 179.469200169991 * 0.5 + 159.90853127941241 * 0.5 = 169.6888657247017

Rating changes

Show

all results
Date Place Points Reason
2023-07-06 136 -> 134 169.69
2023-07-05 137 -> 136 169.69
2023-07-03 138 -> 137 169.69
2023-06-12 139 -> 138 168.24 -> 169.69

Moscow Riichi 2022: 100% -> 86%
2023-06-11 125 -> 139 175.57 -> 168.24
2023-05-20 125 172.48 -> 175.57
2023-05-01 123 -> 125 172.48
2023-04-22 129 -> 123 129.90 -> 172.48

Fire cup 2023: 0% -> 100%
2023-03-20 129 127.76 -> 129.90
2023-03-05 130 -> 129 127.76

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 86% 4.05 RR Moscow Riichi 2022