Kolpakov Denis

From Perm, Russia

EMA: 15020053

Player page

Internal rating (RR)

Rating date Dec. 19, 2023 (latest changes Dec. 19, 2023).

21 place (517.71).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.43) = 13.085650000000001

p1 = (432.84 * 3.50 * 0.29 + 180.18 * 4.05 * 0.43 + 146.67 * 4.20 * 0.86 + 988.51 * 3.75 * 1 + 551.40 * 4 * 1) / (3.50 * 0.29 + 4.05 * 0.43 + 4.20 * 0.86 + 3.75 * 1 + 4 * 1) = 510.16996081104116

p2 = (988.51 * 3.75 * 1 + 551.40 * 4 * 1 + 146.67 * 4.20 * 0.86 + 432.84 * 3.50 * 0.29) / max_coefficients = 525.2539996102602

score = 510.16996081104116 * 0.5 + 525.2539996102602 * 0.5 = 517.7119802106506

Rating changes

Show

all results
Date Place Points Reason
2023-12-19 24 -> 21 517.71
2023-12-12 25 -> 24 500.09 -> 517.71

Moscow Riichi 2022: 57% -> 43%
2023-11-28 26 -> 25 502.41 -> 500.09

Saint Petersburg Open 2021: 14% -> 0%
2023-11-20 25 -> 26 509.23 -> 502.41

Tenpai can't buy happiness: 43% -> 29%
2023-11-06 29 -> 25 494.89 -> 509.23

IX Russian Riichi Championship: 100% -> 86%
2023-10-12 34 -> 29 479.81 -> 494.89

Moscow Riichi 2022: 71% -> 57%
2023-09-28 35 -> 34 482.64 -> 479.81

Saint Petersburg Open 2021: 29% -> 14%
2023-09-20 32 -> 35 489.26 -> 482.64

Tenpai can't buy happiness: 57% -> 43%
2023-09-03 34 -> 32 455.82 -> 489.26

SPB Riichi Open 2023: 0% -> 100%
2023-08-19 35 -> 34 455.82

Tournaments

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