Kopylov Dmitry

From Saint Petersburg, Russia

Player page

Internal rating (RR)

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

99 place (122.57).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.43) = 13.085650000000001

p1 = (135.14 * 4.05 * 0.43 + 120 * 4.20 * 0.86 + 205.61 * 4 * 1 + 0 + 0) / (4.05 * 0.43 + 4.20 * 0.86 + 4 * 1 + 1 + 1) = 131.3537379859117

p2 = (205.61 * 4 * 1 + 120 * 4.20 * 0.86 + 135.14 * 4.05 * 0.43) / max_coefficients = 113.78724022115827

score = 131.3537379859117 * 0.5 + 113.78724022115827 * 0.5 = 122.57048910353498

Rating changes

Show

all results
Date Place Points Reason
2023-12-19 111 -> 99 122.57
2023-12-12 111 123.11 -> 122.57

Moscow Riichi 2022: 57% -> 43%
2023-11-28 121 -> 111 123.11
2023-11-06 121 123.11

IX Russian Riichi Championship: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 206 2023-09-03 86/108 100% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
2 120 2022-11-06 67/76 86% 4.20 RR IX Russian Riichi Championship Perm
3 135 2022-06-12 97/112 43% 4.05 RR Moscow Riichi 2022 Moscow