Kopylov Dmitry

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Oct. 19, 2023 (latest changes Oct. 19, 2023).

148 place (178.83).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 2.80 * 1) = 14.75

p1 = (120 * 4.20 * 1 + 0 * 1.80 * 1 + 135.14 * 4.05 * 0.57 + 384.62 * 1.80 * 0.86 + 434.78 * 1.40 * 1 + 205.61 * 4 * 1) / (4.20 * 1 + 1.80 * 1 + 4.05 * 0.57 + 1.80 * 0.86 + 1.40 * 1 + 4 * 1) = 186.22594948531653

p2 = (205.61 * 4 * 1 + 434.78 * 1.40 * 1 + 384.62 * 1.80 * 0.86 + 120 * 4.20 * 1) / max_coefficients = 171.42440677966104

score = 186.22594948531653 * 0.5 + 171.42440677966104 * 0.5 = 178.8251781324888

Rating changes

Show

all results
Date Place Points Reason
2023-10-19 149 -> 148 178.83
2023-10-12 150 -> 149 177.35 -> 178.83

Moscow Riichi 2022: 71% -> 57%
2023-09-28 152 -> 150 177.35
2023-09-06 153 -> 152 177.35
2023-09-05 154 -> 153 177.35
2023-09-03 145 -> 154 165.44 -> 177.35

SPB Riichi Open 2023: 0% -> 100%
2023-08-27 136 -> 145 171.27 -> 165.44

Sun tournament: 100% -> 86%
2023-08-26 135 -> 136 171.27
2023-08-19 136 -> 135 171.27
2023-08-12 135 -> 136 169.69 -> 171.27

Moscow Riichi 2022: 86% -> 71%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 206 2023-09-03 86/108 100% 4.00 RR SPB Riichi Open 2023
2 435 2023-04-22 14/24 100% 1.40 CRR Fire cup 2023
3 0 2023-02-25 32/32 100% 1.80 CRR Earth cup
4 120 2022-11-06 67/76 100% 4.20 RR IX Russian Riichi Championship
5 385 2022-08-27 25/40 86% 1.80 CRR Sun tournament
6 135 2022-06-12 97/112 57% 4.05 RR Moscow Riichi 2022