Kopylov Dmitry

From Saint Petersburg, Russia

Player page

Internal rating (RR)

Rating date April 20, 2026 (latest changes April 19, 2026).

157 place (284.92).

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 * 0.43 + 423.73 * 3.25 * 0.71 + 342.86 * 1.90 * 1 + 194.81 * 3.45 * 1 + 54.05 * 3.40 * 1 + 366.67 * 1.70 * 1) / (3.85 * 0.43 + 3.75 * 0.43 + 3.25 * 0.71 + 1.90 * 1 + 3.45 * 1 + 3.40 * 1 + 1.70 * 1) = 307.4658888184949

p2 = (978.95 * 3.85 * 0.43 + 423.73 * 3.25 * 0.71 + 194.81 * 3.45 * 1 + 342.86 * 1.90 * 1) / max_coefficients = 262.37859531772574

score = 307.4658888184949 * 0.5 + 262.37859531772574 * 0.5 = 284.92224206811034

Rating changes

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all results
Date Place Points Reason
2026-04-19 153 -> 157 284.92
2026-04-16 152 -> 153 293.13 -> 284.92

White Wolf Cup: 86% -> 71%
2026-04-13 155 -> 152 290.19 -> 293.13

Moscow Riichi 2024: 57% -> 43%
2026-04-11 153 -> 155 286.76 -> 290.19

Seihoku spring tournament 2026: 0% -> 100%
2026-04-09 151 -> 153 286.76
2026-04-05 149 -> 151 286.76
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

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 24/36 100% 1.90 RR Seihoku spring tournament 2025 Saint Petersburg
5 424 2025-02-16 35/60 71% 3.25 RR White Wolf Cup Saint Petersburg
6 124 2024-10-13 79/90 43% 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 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