Kopylov Dmitry

From Saint Petersburg, Russia

Player page

Internal rating (RR)

Rating date Nov. 3, 2026 (latest changes Nov. 3, 2026).

151 place (290.28).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (423.73 * 3.25 * 0.29 + 342.86 * 1.90 * 0.43 + 194.81 * 3.45 * 0.71 + 54.05 * 3.40 * 1 + 366.67 * 1.70 * 1 + 354.84 * 1.80 * 1 + 633.80 * 3.40 * 1) / (3.25 * 0.29 + 1.90 * 0.43 + 3.45 * 0.71 + 3.40 * 1 + 1.70 * 1 + 1.80 * 1 + 3.40 * 1) = 327.662126392412

p2 = (633.80 * 3.40 * 1 + 354.84 * 1.80 * 1 + 366.67 * 1.70 * 1 + 194.81 * 3.45 * 0.71) / max_coefficients = 252.89033095392602

score = 327.662126392412 * 0.5 + 252.89033095392602 * 0.5 = 290.27622867316904

Rating changes

Show

all results
Date Place Points Reason
2026-11-03 152 -> 151 290.28
2026-11-02 154 -> 152 290.28
2026-10-31 150 -> 154 291.21 -> 290.28

SPB Riichi Open 2025: 86% -> 71%
2026-10-26 150 291.38 -> 291.21

Seihoku spring tournament 2025: 57% -> 43%
2026-10-16 150 293.32 -> 291.38

White Wolf Cup: 43% -> 29%
2026-10-13 155 -> 150 289.98 -> 293.32

Moscow Riichi 2024: 14% -> 0%
2026-09-26 156 -> 155 289.98
2026-09-07 157 -> 156 289.98
2026-09-06 201 -> 157 197.29 -> 289.98

Sunset Wolf Cup 2026: 0% -> 100%
2026-09-01 197 -> 201 212.50 -> 197.29

SPB Riichi Open 2024: 14% -> 0%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 634 2026-09-06 27/72 100% 3.40 RR Sunset Wolf Cup 2026 Saint Petersburg
2 355 2026-07-25 21/32 100% 1.80 RR Seihoku Summer Tournament 2026 Saint Petersburg
3 367 2026-04-11 20/31 100% 1.70 RR Seihoku spring tournament 2026 Saint Petersburg
4 54 2026-02-23 71/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
5 195 2025-08-31 63/78 71% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
6 343 2025-04-26 24/36 43% 1.90 RR Seihoku spring tournament 2025 Saint Petersburg
7 424 2025-02-16 35/60 29% 3.25 RR White Wolf Cup Saint Petersburg
8 124 2024-10-13 79/90 0% 3.75 RR Moscow Riichi 2024 Moscow
9 979 2024-09-01 🥉 3/96 0% 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
12 120 2022-11-06 67/76 0% 4.20 RR IX Russian Riichi Championship Perm
13 135 2022-06-12 97/112 0% 4.05 RR Moscow Riichi 2022 Moscow