Kopylov Dmitry

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date March 10, 2024 (latest changes March 10, 2024).

141 place (169.93).

max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001

p1 = (135.14 * 4.05 * 0.29 + 384.62 * 1.80 * 0.43 + 120 * 4.20 * 0.57 + 205.61 * 4 * 1 + 0 * 1.80 * 0.86 + 434.78 * 1.40 * 1) / (4.05 * 0.29 + 1.80 * 0.43 + 4.20 * 0.57 + 4 * 1 + 1.80 * 0.86 + 1.40 * 1) = 192.7208444512464

p2 = (205.61 * 4 * 1 + 434.78 * 1.40 * 1 + 384.62 * 1.80 * 0.43 + 120 * 4.20 * 0.57) / max_coefficients = 147.14160583941606

score = 192.7208444512464 * 0.5 + 147.14160583941606 * 0.5 = 169.9312251453312

Rating changes

Show

Date Place Points Reason
2024-03-10 137 -> 141 173.60 -> 169.93
2024-03-06 137 171.00 -> 173.60

IX Russian Riichi Championship: 71% -> 57%

2024-03-03 138 -> 137 171.00
2024-02-27 137 -> 138 176.69 -> 171.00

Sun tournament: 57% -> 43%

2024-02-25 135 -> 137 174.69 -> 176.69

Earth cup: 100% -> 86%

2024-02-20 136 -> 135 174.69
2024-02-12 139 -> 136 173.48 -> 174.69

Moscow Riichi 2022: 43% -> 29%

2024-01-20 140 -> 139 173.48
2024-01-09 141 -> 140 173.48
2024-01-06 142 -> 141 171.16 -> 173.48

IX Russian Riichi Championship: 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 86% 1.80 CRR Earth cup
4 120 2022-11-06 67/76 57% 4.20 RR IX Russian Riichi Championship
5 385 2022-08-27 25/40 43% 1.80 CRR Sun tournament
6 135 2022-06-12 97/112 29% 4.05 RR Moscow Riichi 2022