Kopylov Dmitry

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date July 31, 2026 (latest changes July 29, 2026).

273 place (206.92).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (366.67 * 1.70 * 1 + 978.95 * 3.85 * 0.14 + 123.60 * 3.75 * 0.29 + 423.73 * 3.25 * 0.57 + 342.86 * 1.90 * 0.71 + 0 * 2 * 0.86 + 194.81 * 3.45 * 1 + 54.05 * 3.40 * 1 + 354.84 * 1.80 * 1) / (1.70 * 1 + 3.85 * 0.14 + 3.75 * 0.29 + 3.25 * 0.57 + 1.90 * 0.71 + 2 * 0.86 + 3.45 * 1 + 3.40 * 1 + 1.80 * 1) = 239.11950087455833

p2 = (423.73 * 3.25 * 0.57 + 194.81 * 3.45 * 1 + 354.84 * 1.80 * 1 + 366.67 * 1.70 * 1) / max_coefficients = 174.7136754524015

score = 239.11950087455833 * 0.5 + 174.7136754524015 * 0.5 = 206.9165881634799

Rating changes

Show

all results
Date Place Points Reason
2026-07-26 272 -> 273 206.92
2026-07-25 275 -> 272 196.80 -> 206.92

Seihoku Summer Tournament 2026: 0% -> 100%
2026-07-23 276 -> 275 196.80
2026-07-18 273 -> 276 196.80
2026-07-12 270 -> 273 196.80
2026-07-11 267 -> 270 196.80
2026-07-01 253 -> 267 227.32 -> 196.80

SPB Riichi Open 2024: 29% -> 14%
2026-06-27 254 -> 253 227.32
2026-06-26 254 228.10 -> 227.32

Seihoku spring tournament 2025: 86% -> 71%
2026-06-16 246 -> 254 236.83 -> 228.10

White Wolf Cup: 71% -> 57%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 355 2026-07-25 21/32 100% 1.80 RR Seihoku Summer Tournament 2026 Saint Petersburg
2 367 2026-04-11 20/31 100% 1.70 RR Seihoku spring tournament 2026 Saint Petersburg
3 54 2026-02-23 71/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
4 195 2025-08-31 63/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
5 0 2025-06-14 19/19 86% 2.00 CRR Tonpu-master Saint Petersburg
6 343 2025-04-26 24/36 71% 1.90 RR Seihoku spring tournament 2025 Saint Petersburg
7 424 2025-02-16 35/60 57% 3.25 RR White Wolf Cup Saint Petersburg
8 124 2024-10-13 79/90 29% 3.75 RR Moscow Riichi 2024 Moscow
9 979 2024-09-01 🥉 3/96 14% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
10 630 2024-03-30 18/47 0% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
11 206 2023-09-03 86/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
12 435 2023-04-22 14/24 0% 1.40 CRR Fire cup 2023 Saint Petersburg
13 0 2023-02-25 32/32 0% 1.80 CRR Earth cup Saint Petersburg
14 120 2022-11-06 67/76 0% 4.20 RR IX Russian Riichi Championship Perm
15 385 2022-08-27 25/40 0% 1.80 CRR Sun tournament Saint Petersburg
16 135 2022-06-12 97/112 0% 4.05 RR Moscow Riichi 2022 Moscow