Kopylov Dmitry
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date April 4, 2026 (latest changes April 4, 2026).
192 place (269.57).
how we calculated rating score
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 + 0 * 2 * 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 + 2 * 1 + 3.45 * 1 + 3.40 * 1) = 263.6025699955016
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 = 263.6025699955016 * 0.5 + 275.53244147157193 * 0.5 = 269.5675057335368
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-04-04 | 195 -> 192 | 269.57 | |
| 2026-04-02 | 196 -> 195 | 269.57 | |
| 2026-03-30 | 195 -> 196 | 272.69 -> 269.57 |
Seihoku spring tournament 2024: 14% -> 0% |
| 2026-03-21 | 192 -> 195 | 272.69 | |
| 2026-03-14 | 186 -> 192 | 272.69 | |
| 2026-03-07 | 185 -> 186 | 272.69 | |
| 2026-03-05 | 186 -> 185 | 272.69 | |
| 2026-03-01 | 173 -> 186 | 301.41 -> 272.69 |
SPB Riichi Open 2024: 57% -> 43% |
| 2026-02-28 | 174 -> 173 | 301.41 | |
| 2026-02-27 | 173 -> 174 | 301.41 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 54 |
|
71/75 | 100% | 3.40 | RR | White Wolf Cup 2026 | Saint Petersburg | |
| 2 | 195 |
|
63/78 | 100% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 3 | 0 |
|
19/19 | 100% | 2.00 | CRR | Tonpu-master | Saint Petersburg | |
| 4 | 343 |
|
24/36 | 100% | 1.90 | RR | Seihoku spring tournament 2025 | Saint Petersburg | |
| 5 | 424 |
|
35/60 | 86% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 6 | 124 |
|
79/90 | 57% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 7 | 979 |
|
🥉 | 3/96 | 43% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg |
| 8 | 630 |
|
18/47 | 0% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg | |
| 9 | 206 |
|
86/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 10 | 435 |
|
14/24 | 0% | 1.40 | CRR | Fire cup 2023 | Saint Petersburg | |
| 11 | 0 |
|
32/32 | 0% | 1.80 | CRR | Earth cup | Saint Petersburg | |
| 12 | 120 |
|
67/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 13 | 385 |
|
25/40 | 0% | 1.80 | CRR | Sun tournament | Saint Petersburg | |
| 14 | 135 |
|
97/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow |