Kolpakov Denis

From Perm, Russia

EMA: 15020053

Player page

Internal rating (RR)

Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).

47 place (437.79).

max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645

p1 = (947.37 * 2.10 * 0.14 + 987.95 * 4.20 * 0.29 + 333.33 * 3.85 * 0.71 + 567.57 * 4.05 * 0.86 + 0) / (2.10 * 0.14 + 4.20 * 0.29 + 3.85 * 0.71 + 4.05 * 0.86 + 1) = 499.5379150451651

p2 = (567.57 * 4.05 * 0.86 + 987.95 * 4.20 * 0.29 + 333.33 * 3.85 * 0.71 + 947.37 * 2.10 * 0.14) / max_coefficients = 376.03776052174914

score = 499.5379150451651 * 0.5 + 376.03776052174914 * 0.5 = 437.7878377834571

Rating changes

Show

all results
Date Place Points Reason
2021-02-01 28 -> 47 655.50 -> 437.79
2020-02-01 28 655.50

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 568 2019-12-15 49/112 86% 4.05 EMA VIII Russian Riichi Championship
2 333 2019-11-04 43/64 71% 3.85 EMA Aki Shanten 2019
3 988 2019-05-04 2/84 29% 4.20 EMA Haru Shanten 2019
4 947 2019-02-10 2/20 14% 2.10 RR Fuyu Shanten 2019
5 560 2018-11-18 41/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
6 889 2018-08-11 4/28 0% 1.70 RR Natsu Shanten 2018
7 676 2018-05-01 24/72 0% 3.85 EMA Haru Shanten 2018
8 185 2018-02-17 23/28 0% 1.70 RR Fuyu Shanten
9 324 2017-11-12 49/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
10 548 2017-06-03 15/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017
11 548 2017-04-16 15/32 0% 2.20 RR Second riichi mahjong tournament, Chelyabinsk 2017
12 444 2017-03-25 16/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017
13 579 2015-09-27 9/20 0% 1.70 RR Plitochka
14 815 2015-02-22 6/28 0% 1.90 RR 2 winter riichi mahjong tournament 2015
15 263 2014-10-25 15/20 0% 1.30 RR Autumn riichi mahjong tournament 2014
16 455 2013-05-19 31/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013