Kopylov Dmitry

From Saint Petersburg, Russia

Player page

Internal rating (RR)

Rating date Dec. 14, 2022 (latest changes Dec. 14, 2022).

97 place (82.12).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.10 * 1) = 14.85

p1 = (120 * 4.20 * 1 + 135.14 * 4.05 * 1 + 0 + 0 + 0) / (4.20 * 1 + 4.05 * 1 + 1 + 1 + 1) = 93.44888888888889

p2 = (135.14 * 4.05 * 1 + 120 * 4.20 * 1) / max_coefficients = 70.79461279461279

score = 93.44888888888889 * 0.5 + 70.79461279461279 * 0.5 = 82.12175084175084

Rating changes

Show

Date Place Points Reason
2022-11-28 98 -> 97 81.31 -> 82.12
2022-11-06 98 81.31

IX Russian Riichi Championship: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 120 2022-11-06 67/76 100% 4.20 RR IX Russian Riichi Championship
2 135 2022-06-12 97/112 100% 4.05 RR Moscow Riichi 2022