Kopylov Dmitry

From Saint Petersburg, Russia

Player page

Internal rating (RR)

Rating date July 5, 2026 (latest changes July 3, 2026).

196 place (211.23).

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

p1 = (978.95 * 3.85 * 0.14 + 123.60 * 3.75 * 0.29 + 423.73 * 3.25 * 0.57 + 342.86 * 1.90 * 0.71 + 194.81 * 3.45 * 1 + 54.05 * 3.40 * 1 + 366.67 * 1.70 * 1) / (3.85 * 0.14 + 3.75 * 0.29 + 3.25 * 0.57 + 1.90 * 0.71 + 3.45 * 1 + 3.40 * 1 + 1.70 * 1) = 254.18056203009766

p2 = (423.73 * 3.25 * 0.57 + 194.81 * 3.45 * 1 + 366.67 * 1.70 * 1 + 978.95 * 3.85 * 0.14) / max_coefficients = 168.28441561026605

score = 254.18056203009766 * 0.5 + 168.28441561026605 * 0.5 = 211.23248882018186

Rating changes

Show

all results
Date Place Points Reason
2026-07-01 179 -> 196 242.81 -> 211.23

SPB Riichi Open 2024: 29% -> 14%
2026-06-26 179 243.38 -> 242.81

Seihoku spring tournament 2025: 86% -> 71%
2026-06-16 178 -> 179 251.91 -> 243.38

White Wolf Cup: 71% -> 57%
2026-06-15 180 -> 178 248.01 -> 251.91
2026-06-14 159 -> 180 257.17 -> 248.01
2026-06-13 162 -> 159 254.26 -> 257.17

Moscow Riichi 2024: 43% -> 29%
2026-06-09 164 -> 162 254.26
2026-06-04 166 -> 164 254.26
2026-06-02 167 -> 166 254.26
2026-05-26 166 -> 167 254.26

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 367 2026-04-11 20/31 100% 1.70 RR Seihoku spring tournament 2026 Saint Petersburg
2 54 2026-02-23 71/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
3 195 2025-08-31 63/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
4 343 2025-04-26 24/36 71% 1.90 RR Seihoku spring tournament 2025 Saint Petersburg
5 424 2025-02-16 35/60 57% 3.25 RR White Wolf Cup Saint Petersburg
6 124 2024-10-13 79/90 29% 3.75 RR Moscow Riichi 2024 Moscow
7 979 2024-09-01 🥉 3/96 14% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
8 630 2024-03-30 18/47 0% 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
10 120 2022-11-06 67/76 0% 4.20 RR IX Russian Riichi Championship Perm
11 135 2022-06-12 97/112 0% 4.05 RR Moscow Riichi 2022 Moscow