Kolpakov Denis

From Perm, Russia

EMA: 15020053

Player page

Internal rating (RR)

Rating date June 18, 2026 (latest changes June 16, 2026).

34 place (637.42).

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

Show

all results
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 2026-06-14 5/144 100% 4.71 RR XII Russian Championship Samara
2 193 2025-11-04 47/58 100% 3.90 RR XI Russian Championship Moscow
3 985 2025-06-15 🥈 2/68 86% 4.10 RR 13 bloody tiles Perm
4 343 2025-05-03 47/71 86% 3.50 RR Riichi over The Volga 2025 Samara
5 810 2024-08-04 16/80 14% 3.65 RR Riichi over Volga Samara
6 234 2024-07-14 37/48 14% 2.80 RR Guardian of the Winds Yekaterinburg
7 636 2024-05-12 40/108 0% 4.60 RR X Russian Championship Perm
8 551 2023-09-03 49/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
9 989 2023-06-11 🥈 2/88 0% 3.75 RR Money can not buy tenpai Perm
10 147 2022-11-06 65/76 0% 4.20 RR IX Russian Riichi Championship Perm
11 180 2022-06-12 92/112 0% 4.05 RR Moscow Riichi 2022 Moscow
12 424 2022-03-20 39/67 0% 3.45 RR Tenpai can't buy happiness Perm
13 640 2021-11-28 28/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
14 568 2019-12-15 49/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
15 333 2019-11-04 43/64 0% 3.85 EMA Aki Shanten 2019 Perm
16 988 2019-05-04 🥈 2/84 0% 4.20 EMA Haru Shanten 2019 Perm
17 947 2019-02-10 🥈 2/20 0% 2.10 RR Fuyu Shanten 2019 Perm
18 560 2018-11-18 41/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten" Perm
19 889 2018-08-11 4/28 0% 1.70 RR Natsu Shanten 2018 Perm
20 676 2018-05-01 24/72 0% 3.85 EMA Haru Shanten 2018 Perm
21 185 2018-02-17 23/28 0% 1.70 RR Fuyu Shanten Perm
22 324 2017-11-12 49/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten Perm
23 548 2017-06-03 15/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017 Perm
24 548 2017-04-16 15/32 0% 2.20 RR Second riichi mahjong tournament, Chelyabinsk 2017 Chelyabinsk
25 444 2017-03-25 16/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017 Perm
26 579 2015-09-27 9/20 0% 1.70 RR Plitochka Tyumen
27 815 2015-02-22 6/28 0% 1.90 RR 2 winter riichi mahjong tournament 2015 Yekaterinburg
28 263 2014-10-25 15/20 0% 1.30 RR Autumn riichi mahjong tournament 2014 Yekaterinburg
29 455 2013-05-19 31/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013 Moscow