Kopylov Dmitry

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date March 12, 2026 (latest changes March 10, 2026).

186 place (272.69).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (630.43 * 2.10 * 0.14 + 978.95 * 3.85 * 0.43 + 123.60 * 3.75 * 0.57 + 423.73 * 3.25 * 0.86 + 342.86 * 1.90 * 1 + 0 * 2 * 1 + 194.81 * 3.45 * 1 + 54.05 * 3.40 * 1) / (2.10 * 0.14 + 3.85 * 0.43 + 3.75 * 0.57 + 3.25 * 0.86 + 1.90 * 1 + 2 * 1 + 3.45 * 1 + 3.40 * 1) = 269.84730713431776

p2 = (978.95 * 3.85 * 0.43 + 423.73 * 3.25 * 0.86 + 194.81 * 3.45 * 1 + 342.86 * 1.90 * 1) / max_coefficients = 275.53244147157193

score = 269.84730713431776 * 0.5 + 275.53244147157193 * 0.5 = 272.6898743029449

Rating changes

Show

all results
Date Place Points Reason
2026-03-07 185 -> 186 272.69
2026-03-05 186 -> 185 272.69
2026-03-01 173 -> 186 301.41 -> 272.69

SPB Riichi Open 2024: 57% -> 43%
2026-02-28 174 -> 173 301.41
2026-02-27 173 -> 174 301.41
2026-02-23 152 -> 173 328.70 -> 301.41

White Wolf Cup 2026: 0% -> 100%
2026-02-16 149 -> 152 336.47 -> 328.70

White Wolf Cup: 100% -> 86%
2026-02-13 148 -> 149 332.66 -> 336.47

Moscow Riichi 2024: 71% -> 57%
2026-02-09 150 -> 148 332.66
2026-02-08 146 -> 150 332.66

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 54 2026-02-23 71/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
2 195 2025-08-31 63/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
3 0 2025-06-14 19/19 100% 2.00 CRR Tonpu-master Saint Petersburg
4 343 2025-04-26 24/36 100% 1.90 RR Seihoku spring tournament 2025 Saint Petersburg
5 424 2025-02-16 35/60 86% 3.25 RR White Wolf Cup Saint Petersburg
6 124 2024-10-13 79/90 57% 3.75 RR Moscow Riichi 2024 Moscow
7 979 2024-09-01 🥉 3/96 43% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
8 630 2024-03-30 18/47 14% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
9 206 2023-09-03 86/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
10 435 2023-04-22 14/24 0% 1.40 CRR Fire cup 2023 Saint Petersburg
11 0 2023-02-25 32/32 0% 1.80 CRR Earth cup Saint Petersburg
12 120 2022-11-06 67/76 0% 4.20 RR IX Russian Riichi Championship Perm
13 385 2022-08-27 25/40 0% 1.80 CRR Sun tournament Saint Petersburg
14 135 2022-06-12 97/112 0% 4.05 RR Moscow Riichi 2022 Moscow