Kopylov Dmitry

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Jan. 14, 2024 (latest changes Jan. 14, 2024).

141 place (173.48).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002

p1 = (135.14 * 4.05 * 0.43 + 384.62 * 1.80 * 0.57 + 120 * 4.20 * 0.71 + 0 * 1.80 * 1 + 434.78 * 1.40 * 1 + 205.61 * 4 * 1) / (4.05 * 0.43 + 1.80 * 0.57 + 4.20 * 0.71 + 1.80 * 1 + 1.40 * 1 + 4 * 1) = 186.76438033045855

p2 = (205.61 * 4 * 1 + 434.78 * 1.40 * 1 + 384.62 * 1.80 * 0.57 + 120 * 4.20 * 0.71) / max_coefficients = 160.1985632297587

score = 186.76438033045855 * 0.5 + 160.1985632297587 * 0.5 = 173.48147178010862

Rating changes

Show

all results
Date Place Points Reason
2024-01-09 142 -> 141 173.48
2024-01-06 143 -> 142 171.16 -> 173.48

IX Russian Riichi Championship: 86% -> 71%
2024-01-05 145 -> 143 171.16
2023-12-27 142 -> 145 176.50 -> 171.16

Sun tournament: 71% -> 57%
2023-12-19 149 -> 142 176.50
2023-12-12 152 -> 149 175.45 -> 176.50

Moscow Riichi 2022: 57% -> 43%
2023-11-28 157 -> 152 175.45
2023-11-26 152 -> 157 176.03 -> 175.45
2023-11-20 154 -> 152 176.03
2023-11-09 155 -> 154 176.03

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 71% 4.20 RR IX Russian Riichi Championship
5 385 2022-08-27 25/40 57% 1.80 CRR Sun tournament
6 135 2022-06-12 97/112 43% 4.05 RR Moscow Riichi 2022