Kopylov Dmitry

From Saint Petersburg, Russia

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Internal rating (RR)

Rating date Jan. 6, 2024 (latest changes Jan. 6, 2024).

98 place (122.74).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 4.05 * 0.43) = 12.485890000000001

p1 = (135.14 * 4.05 * 0.43 + 120 * 4.20 * 0.71 + 205.61 * 4 * 1 + 0 + 0) / (4.05 * 0.43 + 4.20 * 0.71 + 4 * 1 + 1 + 1) = 131.98812580978378

p2 = (205.61 * 4 * 1 + 120 * 4.20 * 0.71 + 135.14 * 4.05 * 0.43) / max_coefficients = 113.48890627740592

score = 131.98812580978378 * 0.5 + 113.48890627740592 * 0.5 = 122.73851604359484

Rating changes

Show

all results
Date Place Points Reason
2024-01-06 98 122.57 -> 122.74

IX Russian Riichi Championship: 86% -> 71%
2023-12-19 111 -> 98 122.57
2023-12-12 111 123.11 -> 122.57

Moscow Riichi 2022: 57% -> 43%
2023-11-28 121 -> 111 123.11
2023-11-06 125 -> 121 122.95 -> 123.11

IX Russian Riichi Championship: 100% -> 86%
2023-10-12 125 123.43 -> 122.95

Moscow Riichi 2022: 71% -> 57%
2023-09-28 126 -> 125 123.43
2023-09-20 128 -> 126 123.43
2023-09-06 129 -> 128 123.43
2023-09-03 115 -> 129 79.18 -> 123.43

SPB Riichi Open 2023: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 206 2023-09-03 86/108 100% 4.00 RR SPB Riichi Open 2023
2 120 2022-11-06 67/76 71% 4.20 RR IX Russian Riichi Championship
3 135 2022-06-12 97/112 43% 4.05 RR Moscow Riichi 2022