Kolpakov Denis

From Perm, Russia

EMA: 15020053

Player page

Internal rating (RR)

Rating date Dec. 19, 2022 (latest changes Dec. 19, 2022).

71 place (312.90).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.86) = 14.706995

p1 = (640 * 3.45 * 0.86 + 432.84 * 3.50 * 1 + 180.18 * 4.05 * 1 + 146.67 * 4.20 * 1 + 0) / (3.45 * 0.86 + 3.50 * 1 + 4.05 * 1 + 4.20 * 1 + 1) = 302.6129441054766

p2 = (640 * 3.45 * 0.86 + 432.84 * 3.50 * 1 + 180.18 * 4.05 * 1 + 146.67 * 4.20 * 1) / max_coefficients = 323.1890675151518

score = 302.6129441054766 * 0.5 + 323.1890675151518 * 0.5 = 312.9010058103142

Rating changes

Show

all results
Date Place Points Reason
2022-12-19 72 -> 71 311.34 -> 312.90
2022-11-28 71 -> 72 323.17 -> 311.34

Saint Petersburg Open 2021: 100% -> 86%
2022-11-06 54 -> 71 326.94 -> 323.17

IX Russian Riichi Championship: 0% -> 100%
2022-06-12 35 -> 54 326.52 -> 326.94

Moscow Riichi 2022: 0% -> 100%
2022-04-01 47 -> 35 437.79 -> 326.52
2021-02-01 28 -> 47 655.50 -> 437.79
2020-02-01 28 655.50

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 39/68 100% 3.50 RR Tenpai can't buy happiness
4 640 2021-11-28 28/76 86% 3.45 RR Saint Petersburg Open 2021
5 568 2019-12-15 49/112 0% 4.05 EMA VIII Russian Riichi Championship
6 333 2019-11-04 43/64 0% 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