Kolpakov Denis

From Perm, Russia

EMA: 15020053

Player page

Internal rating (RR)

Rating date June 8, 2025 (latest changes June 8, 2025).

63 place (513.06).

max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266

p1 = (988.51 * 3.75 * 0.14 + 551.40 * 4 * 0.29 + 635.51 * 4.60 * 0.86 + 234.04 * 2.80 * 1 + 810.13 * 3.65 * 1 + 342.86 * 3.50 * 1) / (3.75 * 0.14 + 4 * 0.29 + 4.60 * 0.86 + 2.80 * 1 + 3.65 * 1 + 3.50 * 1) = 544.4465744266629

p2 = (810.13 * 3.65 * 1 + 635.51 * 4.60 * 0.86 + 342.86 * 3.50 * 1 + 234.04 * 2.80 * 1) / max_coefficients = 481.6733870171517

score = 544.4465744266629 * 0.5 + 481.6733870171517 * 0.5 = 513.0599807219073

Rating changes

Show

all results
Date Place Points Reason
2025-06-08 61 -> 63 513.06
2025-05-12 58 -> 61 518.09 -> 513.06

X Russian Championship: 100% -> 86%
2025-05-03 51 -> 58 537.14 -> 518.09

Riichi over The Volga 2025: 0% -> 100%

SPB Riichi Open 2023: 43% -> 29%
2025-04-11 48 -> 51 557.35 -> 537.14

Money can not buy tenpai: 29% -> 14%
2025-03-30 49 -> 48 557.35
2025-03-03 45 -> 49 565.98 -> 557.35

SPB Riichi Open 2023: 57% -> 43%
2025-02-16 41 -> 45 565.98
2025-02-11 37 -> 41 589.39 -> 565.98

Money can not buy tenpai: 43% -> 29%
2025-02-02 34 -> 37 589.39
2025-01-26 31 -> 34 589.39

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 343 2025-05-03 47/71 100% 3.50 RR Riichi over The Volga 2025 Samara
2 810 2024-08-04 16/80 100% 3.65 RR Riichi over Volga Samara
3 234 2024-07-14 37/48 100% 2.80 RR Guardian of the Winds Yekaterinburg
4 636 2024-05-12 40/108 86% 4.60 RR X Russian Championship Perm
5 551 2023-09-03 49/108 29% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
6 989 2023-06-11 🥈 2/88 14% 3.75 RR Money can not buy tenpai Perm
7 147 2022-11-06 65/76 0% 4.20 RR IX Russian Riichi Championship Perm
8 180 2022-06-12 92/112 0% 4.05 RR Moscow Riichi 2022 Moscow
9 433 2022-03-20 39/68 0% 3.50 RR Tenpai can't buy happiness Perm
10 640 2021-11-28 28/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
11 568 2019-12-15 49/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
12 333 2019-11-04 43/64 0% 3.85 EMA Aki Shanten 2019 Perm
13 988 2019-05-04 🥈 2/84 0% 4.20 EMA Haru Shanten 2019 Perm
14 947 2019-02-10 🥈 2/20 0% 2.10 RR Fuyu Shanten 2019 Perm
15 560 2018-11-18 41/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten" Perm
16 889 2018-08-11 4/28 0% 1.70 RR Natsu Shanten 2018 Perm
17 676 2018-05-01 24/72 0% 3.85 EMA Haru Shanten 2018 Perm
18 185 2018-02-17 23/28 0% 1.70 RR Fuyu Shanten Perm
19 324 2017-11-12 49/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten Perm
20 548 2017-06-03 15/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017 Perm
21 548 2017-04-16 15/32 0% 2.20 RR Second riichi mahjong tournament, Chelyabinsk 2017 Chelyabinsk
22 444 2017-03-25 16/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017 Perm
23 579 2015-09-27 9/20 0% 1.70 RR Plitochka Tyumen
24 815 2015-02-22 6/28 0% 1.90 RR 2 winter riichi mahjong tournament 2015 Yekaterinburg
25 263 2014-10-25 15/20 0% 1.30 RR Autumn riichi mahjong tournament 2014 Yekaterinburg
26 455 2013-05-19 31/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013 Moscow