Kolpakov Denis

From Perm, Russia

EMA: 15020053

Player page

Internal rating (RR)

Rating date June 10, 2023 (latest changes May 30, 2023).

93 place (280.20).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.71 + 3.10 * 0.57) = 12.52139

p1 = (333.33 * 3.85 * 0.14 + 567.57 * 4.05 * 0.14 + 640 * 3.45 * 0.43 + 432.84 * 3.50 * 0.71 + 180.18 * 4.05 * 1 + 146.67 * 4.20 * 1) / (3.85 * 0.14 + 4.05 * 0.14 + 3.45 * 0.43 + 3.50 * 0.71 + 4.05 * 1 + 4.20 * 1) = 290.92436307937857

p2 = (432.84 * 3.50 * 0.71 + 640 * 3.45 * 0.43 + 180.18 * 4.05 * 1 + 146.67 * 4.20 * 1) / max_coefficients = 269.4740759612152

score = 290.92436307937857 * 0.5 + 269.4740759612152 * 0.5 = 280.1992195202969

Rating changes

Show

all results
Date Place Points Reason
2023-05-30 96 -> 93 287.57 -> 280.20

VIII Russian Riichi Championship: 29% -> 14%
2023-05-28 92 -> 96 303.58 -> 287.57

Saint Petersburg Open 2021: 57% -> 43%
2023-05-20 88 -> 92 308.21 -> 303.58

Tenpai can't buy happiness: 86% -> 71%
2023-05-06 89 -> 88 308.21
2023-04-30 91 -> 89 308.48 -> 308.21

Aki Shanten 2019: 29% -> 14%
2023-04-19 94 -> 91 305.79 -> 308.48
2023-03-30 92 -> 94 322.47 -> 305.79

VIII Russian Riichi Championship: 43% -> 29%
2023-03-28 88 -> 92 335.74 -> 322.47

Saint Petersburg Open 2021: 71% -> 57%
2023-03-20 88 338.88 -> 335.74

Tenpai can't buy happiness: 100% -> 86%
2023-03-06 92 -> 88 338.88

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 147 2022-11-06 65/76 100% 4.20 RR IX Russian Riichi Championship
2 180 2022-06-12 92/112 100% 4.05 RR Moscow Riichi 2022
3 433 2022-03-20 39/68 71% 3.50 RR Tenpai can't buy happiness
4 640 2021-11-28 28/76 43% 3.45 RR Saint Petersburg Open 2021
5 568 2019-12-15 49/112 14% 4.05 EMA VIII Russian Riichi Championship
6 333 2019-11-04 43/64 14% 3.85 EMA Aki Shanten 2019
7 988 2019-05-04 2/84 0% 4.20 EMA Haru Shanten 2019
8 947 2019-02-10 2/20 0% 2.10 RR Fuyu Shanten 2019
9 560 2018-11-18 41/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
10 889 2018-08-11 4/28 0% 1.70 RR Natsu Shanten 2018
11 676 2018-05-01 24/72 0% 3.85 EMA Haru Shanten 2018
12 185 2018-02-17 23/28 0% 1.70 RR Fuyu Shanten
13 324 2017-11-12 49/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
14 548 2017-06-03 15/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017
15 548 2017-04-16 15/32 0% 2.20 RR Second riichi mahjong tournament, Chelyabinsk 2017
16 444 2017-03-25 16/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017
17 579 2015-09-27 9/20 0% 1.70 RR Plitochka
18 815 2015-02-22 6/28 0% 1.90 RR 2 winter riichi mahjong tournament 2015
19 263 2014-10-25 15/20 0% 1.30 RR Autumn riichi mahjong tournament 2014
20 455 2013-05-19 31/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013