Kopylov Dmitry

From Saint Petersburg, Russia

Player page

Internal rating (RR)

Rating date April 4, 2026 (latest changes April 4, 2026).

149 place (286.76).

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

p1 = (978.95 * 3.85 * 0.43 + 123.60 * 3.75 * 0.57 + 423.73 * 3.25 * 0.86 + 342.86 * 1.90 * 1 + 194.81 * 3.45 * 1 + 54.05 * 3.40 * 1) / (3.85 * 0.43 + 3.75 * 0.57 + 3.25 * 0.86 + 1.90 * 1 + 3.45 * 1 + 3.40 * 1) = 297.9965012736134

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 = 297.9965012736134 * 0.5 + 275.53244147157193 * 0.5 = 286.76447137259265

Rating changes

Show

all results
Date Place Points Reason
2026-04-04 152 -> 149 286.76
2026-04-02 154 -> 152 286.76
2026-03-30 152 -> 154 289.96 -> 286.76

Seihoku spring tournament 2024: 14% -> 0%
2026-03-14 153 -> 152 289.96
2026-03-12 152 -> 153 289.96
2026-03-02 153 -> 152 289.96
2026-03-01 141 -> 153 319.42 -> 289.96

SPB Riichi Open 2024: 57% -> 43%
2026-02-23 120 -> 141 355.77 -> 319.42

White Wolf Cup 2026: 0% -> 100%
2026-02-16 117 -> 120 362.77 -> 355.77

White Wolf Cup: 100% -> 86%
2026-02-13 120 -> 117 357.38 -> 362.77

Moscow Riichi 2024: 71% -> 57%

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
3 343 2025-04-26 24/36 100% 1.90 RR Seihoku spring tournament 2025 Saint Petersburg
4 424 2025-02-16 35/60 86% 3.25 RR White Wolf Cup Saint Petersburg
5 124 2024-10-13 79/90 57% 3.75 RR Moscow Riichi 2024 Moscow
6 979 2024-09-01 🥉 3/96 43% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
7 630 2024-03-30 18/47 0% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
8 206 2023-09-03 86/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
9 120 2022-11-06 67/76 0% 4.20 RR IX Russian Riichi Championship Perm
10 135 2022-06-12 97/112 0% 4.05 RR Moscow Riichi 2022 Moscow