Kopylov Dmitry

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

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

142 place (231.29).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999

p1 = (135.14 * 4.05 * 0.14 + 384.62 * 1.80 * 0.29 + 120 * 4.20 * 0.43 + 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 * 0.43 + 1.80 * 0.71 + 1.40 * 0.86 + 4 * 1 + 2.10 * 1) = 275.29520712304117

p2 = (630.43 * 2.10 * 1 + 205.61 * 4 * 1 + 434.78 * 1.40 * 0.86 + 120 * 4.20 * 0.43) / max_coefficients = 187.27662337662343

score = 275.29520712304117 * 0.5 + 187.27662337662343 * 0.5 = 231.2859152498323

Rating changes

Show

Date Place Points Reason
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%

2024-05-05 110 -> 111 241.68
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%

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 43% 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