Kopylov Dmitry

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date June 15, 2025 (latest changes June 15, 2025).

99 place (429.47).

max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266

p1 = (423.73 * 3.25 * 1 + 123.60 * 3.75 * 1 + 205.61 * 4 * 0.29 + 342.86 * 1.90 * 1 + 630.43 * 2.10 * 0.71 + 978.95 * 3.85 * 1 + 0 * 2 * 1) / (3.25 * 1 + 3.75 * 1 + 4 * 0.29 + 1.90 * 1 + 2.10 * 0.71 + 3.85 * 1 + 2 * 1) = 427.8556163660542

p2 = (978.95 * 3.85 * 1 + 423.73 * 3.25 * 1 + 630.43 * 2.10 * 0.71 + 342.86 * 1.90 * 1) / max_coefficients = 431.0756610448607

score = 427.8556163660542 * 0.5 + 431.0756610448607 * 0.5 = 429.4656387054574

Rating changes

Show

all results
Date Place Points Reason
2025-06-15 94 -> 99 435.85 -> 429.47
2025-06-14 84 -> 94 463.65 -> 435.85

Tonpu-master: 0% -> 100%
2025-06-09 87 -> 84 463.65
2025-05-30 83 -> 87 471.27 -> 463.65

Seihoku spring tournament 2024: 86% -> 71%
2025-05-26 84 -> 83 471.27
2025-05-12 86 -> 84 461.81 -> 471.27
2025-05-10 87 -> 86 461.81
2025-05-03 86 -> 87 456.88 -> 461.81

SPB Riichi Open 2023: 43% -> 29%
2025-04-26 85 -> 86 459.78 -> 456.88

Seihoku spring tournament 2025: 0% -> 100%
2025-04-22 85 459.37 -> 459.78

Fire cup 2023: 14% -> 0%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 0 2025-06-14 19/19 100% 2.00 CRR Tonpu-master Saint Petersburg
2 343 2025-04-26 24/36 100% 1.90 RR Seihoku spring tournament 2025 Saint Petersburg
3 424 2025-02-16 35/60 100% 3.25 RR White Wolf Cup Saint Petersburg
4 124 2024-10-13 79/90 100% 3.75 RR Moscow Riichi 2024 Moscow
5 979 2024-09-01 3/96 100% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
6 630 2024-03-30 18/47 71% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
7 206 2023-09-03 86/108 29% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
8 435 2023-04-22 14/24 0% 1.40 CRR Fire cup 2023 Saint Petersburg
9 0 2023-02-25 32/32 0% 1.80 CRR Earth cup Saint Petersburg
10 120 2022-11-06 67/76 0% 4.20 RR IX Russian Riichi Championship Perm
11 385 2022-08-27 25/40 0% 1.80 CRR Sun tournament Saint Petersburg
12 135 2022-06-12 97/112 0% 4.05 RR Moscow Riichi 2022 Moscow