Kolpakov Denis
From Perm, Russia
EMA: 15020053
Internal rating (RR)
Rating date June 18, 2026 (latest changes June 16, 2026).
34 place (637.42).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (234.04 * 2.80 * 0.14 + 810.13 * 3.65 * 0.14 + 342.86 * 3.50 * 0.86 + 985.07 * 4.10 * 0.86 + 192.98 * 3.90 * 1 + 972.03 * 4.71 * 1) / (2.80 * 0.14 + 3.65 * 0.14 + 3.50 * 0.86 + 4.10 * 0.86 + 3.90 * 1 + 4.71 * 1) = 644.2400486361893
p2 = (972.03 * 4.71 * 1 + 985.07 * 4.10 * 0.86 + 342.86 * 3.50 * 0.86 + 192.98 * 3.90 * 1) / max_coefficients = 630.6016844622262
score = 644.2400486361893 * 0.5 + 630.6016844622262 * 0.5 = 637.4208665492077
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-06-16 | 36 -> 34 | 637.42 | |
| 2026-06-15 | 28 -> 36 | 649.85 -> 637.42 |
13 bloody tiles: 100% -> 86% |
| 2026-06-14 | 69 -> 28 | 475.93 -> 649.85 |
XII Russian Championship: 0% -> 100% |
| 2026-06-09 | 71 -> 69 | 475.93 | |
| 2026-06-04 | 64 -> 71 | 495.98 -> 475.93 |
Riichi over Volga: 29% -> 14% |
| 2026-05-14 | 65 -> 64 | 491.17 -> 495.98 |
Guardian of the Winds: 29% -> 14% |
| 2026-05-12 | 66 -> 65 | 493.65 -> 491.17 |
X Russian Championship: 14% -> 0% |
| 2026-05-03 | 66 | 494.39 -> 493.65 |
Riichi over The Volga 2025: 100% -> 86% |
| 2026-05-02 | 67 -> 66 | 494.39 | |
| 2026-05-01 | 68 -> 67 | 494.39 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 972 |
|
5/144 | 100% | 4.71 | RR | XII Russian Championship | Samara | |
| 2 | 193 |
|
47/58 | 100% | 3.90 | RR | XI Russian Championship | Moscow | |
| 3 | 985 |
|
🥈 | 2/68 | 86% | 4.10 | RR | 13 bloody tiles | Perm |
| 4 | 343 |
|
47/71 | 86% | 3.50 | RR | Riichi over The Volga 2025 | Samara | |
| 5 | 810 |
|
16/80 | 14% | 3.65 | RR | Riichi over Volga | Samara | |
| 6 | 234 |
|
37/48 | 14% | 2.80 | RR | Guardian of the Winds | Yekaterinburg | |
| 7 | 636 |
|
40/108 | 0% | 4.60 | RR | X Russian Championship | Perm | |
| 8 | 551 |
|
49/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 9 | 989 |
|
🥈 | 2/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm |
| 10 | 147 |
|
65/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 11 | 180 |
|
92/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 12 | 424 |
|
39/67 | 0% | 3.45 | RR | Tenpai can't buy happiness | Perm | |
| 13 | 640 |
|
28/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 | Saint Petersburg | |
| 14 | 568 |
|
49/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow | |
| 15 | 333 |
|
43/64 | 0% | 3.85 | EMA | Aki Shanten 2019 | Perm | |
| 16 | 988 |
|
🥈 | 2/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm |
| 17 | 947 |
|
🥈 | 2/20 | 0% | 2.10 | RR | Fuyu Shanten 2019 | Perm |
| 18 | 560 |
|
41/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" | Perm | |
| 19 | 889 |
|
4/28 | 0% | 1.70 | RR | Natsu Shanten 2018 | Perm | |
| 20 | 676 |
|
24/72 | 0% | 3.85 | EMA | Haru Shanten 2018 | Perm | |
| 21 | 185 |
|
23/28 | 0% | 1.70 | RR | Fuyu Shanten | Perm | |
| 22 | 324 |
|
49/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten | Perm | |
| 23 | 548 |
|
15/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 | Perm | |
| 24 | 548 |
|
15/32 | 0% | 2.20 | RR | Second riichi mahjong tournament, Chelyabinsk 2017 | Chelyabinsk | |
| 25 | 444 |
|
16/28 | 0% | 1.50 | RR | "Spring shanten" tournament, Perm 2017 | Perm | |
| 26 | 579 |
|
9/20 | 0% | 1.70 | RR | Plitochka | Tyumen | |
| 27 | 815 |
|
6/28 | 0% | 1.90 | RR | 2 winter riichi mahjong tournament 2015 | Yekaterinburg | |
| 28 | 263 |
|
15/20 | 0% | 1.30 | RR | Autumn riichi mahjong tournament 2014 | Yekaterinburg | |
| 29 | 455 |
|
31/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 | Moscow |