Kopylov Dmitry

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 14, 2024 (latest changes Nov. 14, 2024).

87 place (428.05).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (0 * 1.80 * 0.29 + 434.78 * 1.40 * 0.43 + 205.61 * 4 * 0.71 + 630.43 * 2.10 * 1 + 978.95 * 3.85 * 1 + 123.60 * 3.75 * 1) / (1.80 * 0.29 + 1.40 * 0.43 + 4 * 0.71 + 2.10 * 1 + 3.85 * 1 + 3.75 * 1) = 468.47017518194787

p2 = (978.95 * 3.85 * 1 + 630.43 * 2.10 * 1 + 205.61 * 4 * 0.71 + 123.60 * 3.75 * 1) / max_coefficients = 387.6214511041009

score = 468.47017518194787 * 0.5 + 387.6214511041009 * 0.5 = 428.04581314302436

Rating changes

Show

all results
Date Place Points Reason
2024-11-05 94 -> 87 420.72 -> 428.05
2024-11-04 93 -> 94 420.72
2024-11-03 95 -> 93 419.65 -> 420.72

SPB Riichi Open 2023: 86% -> 71%
2024-10-27 96 -> 95 419.65
2024-10-25 96 415.86 -> 419.65

Earth cup: 43% -> 29%
2024-10-22 96 415.85 -> 415.86

Fire cup 2023: 57% -> 43%
2024-10-13 73 -> 96 467.04 -> 415.85

Moscow Riichi 2024: 0% -> 100%
2024-10-11 74 -> 73 467.04
2024-09-06 77 -> 74 456.72 -> 467.04

IX Russian Riichi Championship: 29% -> 14%
2024-09-03 79 -> 77 446.33 -> 456.72

SPB Riichi Open 2023: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 124 2024-10-13 79/90 100% 3.75 RR Moscow Riichi 2024
2 979 2024-09-01 3/96 100% 3.85 RR SPB Riichi Open 2024
3 630 2024-03-30 18/47 100% 2.10 RR Seihoku spring tournament 2024
4 206 2023-09-03 86/108 71% 4.00 RR SPB Riichi Open 2023
5 435 2023-04-22 14/24 43% 1.40 CRR Fire cup 2023
6 0 2023-02-25 32/32 29% 1.80 CRR Earth cup
7 120 2022-11-06 67/76 0% 4.20 RR IX Russian Riichi Championship
8 385 2022-08-27 25/40 0% 1.80 CRR Sun tournament
9 135 2022-06-12 97/112 0% 4.05 RR Moscow Riichi 2022