Kopylov Dmitry

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date May 3, 2024 (latest changes May 3, 2024).

110 place (241.68).

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

p1 = (135.14 * 4.05 * 0.14 + 384.62 * 1.80 * 0.29 + 120 * 4.20 * 0.57 + 0 * 1.80 * 0.71 + 434.78 * 1.40 * 0.86 + 205.61 * 4 * 1 + 630.43 * 2.10 * 1) / (4.05 * 0.14 + 1.80 * 0.29 + 4.20 * 0.57 + 1.80 * 0.71 + 1.40 * 0.86 + 4 * 1 + 2.10 * 1) = 267.584766899048

p2 = (630.43 * 2.10 * 1 + 205.61 * 4 * 1 + 434.78 * 1.40 * 0.86 + 120 * 4.20 * 0.57) / max_coefficients = 215.76934306569342

score = 267.584766899048 * 0.5 + 215.76934306569342 * 0.5 = 241.67705498237072

Rating changes

Show

Date Place Points Reason
2024-05-01 111 -> 110 241.68
2024-04-27 111 243.22 -> 241.68

Sun tournament: 43% -> 29%

2024-04-25 113 -> 111 240.46 -> 243.22

Earth cup: 86% -> 71%

2024-04-22 111 -> 113 244.97 -> 240.46

Fire cup 2023: 100% -> 86%

2024-04-12 116 -> 111 242.11 -> 244.97

Moscow Riichi 2022: 29% -> 14%

2024-03-30 135 -> 116 169.93 -> 242.11

Seihoku spring tournament 2024: 0% -> 100%

2024-03-20 141 -> 135 169.93
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

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 630 2024-03-30 18/47 100% 2.10 RR Seihoku spring tournament 2024
2 206 2023-09-03 86/108 100% 4.00 RR SPB Riichi Open 2023
3 435 2023-04-22 14/24 86% 1.40 CRR Fire cup 2023
4 0 2023-02-25 32/32 71% 1.80 CRR Earth cup
5 120 2022-11-06 67/76 57% 4.20 RR IX Russian Riichi Championship
6 385 2022-08-27 25/40 29% 1.80 CRR Sun tournament
7 135 2022-06-12 97/112 14% 4.05 RR Moscow Riichi 2022