Kopylov Dmitry

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date July 9, 2024 (latest changes July 9, 2024).

131 place (238.97).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001

p1 = (384.62 * 1.80 * 0.14 + 120 * 4.20 * 0.29 + 0 * 1.80 * 0.57 + 434.78 * 1.40 * 0.71 + 205.61 * 4 * 1 + 630.43 * 2.10 * 1) / (1.80 * 0.14 + 4.20 * 0.29 + 1.80 * 0.57 + 1.40 * 0.71 + 4 * 1 + 2.10 * 1) = 294.6107222216426

p2 = (630.43 * 2.10 * 1 + 205.61 * 4 * 1 + 434.78 * 1.40 * 0.71 + 120 * 4.20 * 0.29) / max_coefficients = 183.33537964730516

score = 294.6107222216426 * 0.5 + 183.33537964730516 * 0.5 = 238.9730509344739

Rating changes

Show

Date Place Points Reason
2024-07-06 132 -> 131 236.25 -> 238.97

IX Russian Riichi Championship: 43% -> 29%

2024-06-27 132 237.49 -> 236.25

Sun tournament: 29% -> 14%

2024-06-25 136 -> 132 234.04 -> 237.49

Earth cup: 71% -> 57%

2024-06-22 133 -> 136 238.38 -> 234.04

Fire cup 2023: 86% -> 71%

2024-06-11 142 -> 133 231.29 -> 238.38
2024-06-09 131 -> 142 231.29
2024-05-25 128 -> 131 231.29
2024-05-19 126 -> 128 231.29
2024-05-12 107 -> 126 242.91 -> 231.29
2024-05-06 111 -> 107 241.68 -> 242.91

IX Russian Riichi Championship: 57% -> 43%

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 71% 1.40 CRR Fire cup 2023
4 0 2023-02-25 32/32 57% 1.80 CRR Earth cup
5 120 2022-11-06 67/76 29% 4.20 RR IX Russian Riichi Championship
6 385 2022-08-27 25/40 14% 1.80 CRR Sun tournament
7 135 2022-06-12 97/112 0% 4.05 RR Moscow Riichi 2022