Kopylov Dmitry

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

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

221 place (278.31).

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 + 0 * 2 * 0.57 + 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 + 2 * 0.57 + 3.45 * 0.71 + 3.40 * 1 + 1.70 * 1 + 1.80 * 1 + 3.40 * 1) = 303.73546325878596

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 = 303.73546325878596 * 0.5 + 252.89033095392602 * 0.5 = 278.312897106356

Rating changes

Show

all results
Date Place Points Reason
2026-11-03 222 -> 221 278.31
2026-11-01 220 -> 222 278.31
2026-10-31 213 -> 220 279.76 -> 278.31

SPB Riichi Open 2025: 86% -> 71%
2026-10-26 214 -> 213 280.12 -> 279.76

Seihoku spring tournament 2025: 57% -> 43%
2026-10-24 212 -> 214 280.12
2026-10-16 212 282.26 -> 280.12

White Wolf Cup: 43% -> 29%
2026-10-14 215 -> 212 279.73 -> 282.26

Tonpu-master: 71% -> 57%
2026-10-13 223 -> 215 277.07 -> 279.73

Moscow Riichi 2024: 14% -> 0%
2026-10-10 222 -> 223 277.07
2026-10-02 224 -> 222 277.07

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 0 2025-06-14 19/19 57% 2.00 CRR Tonpu-master Saint Petersburg
7 343 2025-04-26 24/36 43% 1.90 RR Seihoku spring tournament 2025 Saint Petersburg
8 424 2025-02-16 35/60 29% 3.25 RR White Wolf Cup Saint Petersburg
9 124 2024-10-13 79/90 0% 3.75 RR Moscow Riichi 2024 Moscow
10 979 2024-09-01 🥉 3/96 0% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
11 630 2024-03-30 18/47 0% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
12 206 2023-09-03 86/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
13 435 2023-04-22 14/24 0% 1.40 CRR Fire cup 2023 Saint Petersburg
14 0 2023-02-25 32/32 0% 1.80 CRR Earth cup Saint Petersburg
15 120 2022-11-06 67/76 0% 4.20 RR IX Russian Riichi Championship Perm
16 385 2022-08-27 25/40 0% 1.80 CRR Sun tournament Saint Petersburg
17 135 2022-06-12 97/112 0% 4.05 RR Moscow Riichi 2022 Moscow