Kolpakov Denis

From Perm, Russia

EMA: 15020053

Player page

Internal rating (RR)

Rating date July 28, 2023 (latest changes July 28, 2023).

40 place (440.82).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.57) = 13.421155

p1 = (640 * 3.45 * 0.29 + 432.84 * 3.50 * 0.57 + 180.18 * 4.05 * 0.86 + 146.67 * 4.20 * 1 + 988.51 * 3.75 * 1) / (3.45 * 0.29 + 3.50 * 0.57 + 4.05 * 0.86 + 4.20 * 1 + 3.75 * 1) = 447.34438272984596

p2 = (988.51 * 3.75 * 1 + 432.84 * 3.50 * 0.57 + 640 * 3.45 * 0.29 + 180.18 * 4.05 * 0.86) / max_coefficients = 434.300177592763

score = 447.34438272984596 * 0.5 + 434.300177592763 * 0.5 = 440.8222801613045

Rating changes

Show

all results
Date Place Points Reason
2023-07-28 37 -> 40 455.76 -> 440.82

Saint Petersburg Open 2021: 43% -> 29%
2023-07-20 38 -> 37 454.98 -> 455.76

Tenpai can't buy happiness: 71% -> 57%
2023-06-19 40 -> 38 454.98
2023-06-12 39 -> 40 444.51 -> 454.98

Moscow Riichi 2022: 100% -> 86%
2023-06-11 78 -> 39 262.27 -> 444.51

Money can not buy tenpai: 0% -> 100%
2023-05-28 74 -> 78 279.45 -> 262.27

Saint Petersburg Open 2021: 57% -> 43%
2023-05-20 74 285.03 -> 279.45

Tenpai can't buy happiness: 86% -> 71%
2023-05-06 75 -> 74 285.03
2023-04-19 76 -> 75 282.37 -> 285.03
2023-03-28 70 -> 76 297.35 -> 282.37

Saint Petersburg Open 2021: 71% -> 57%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 989 2023-06-11 2/88 100% 3.75 RR Money can not buy tenpai
2 147 2022-11-06 65/76 100% 4.20 RR IX Russian Riichi Championship
3 180 2022-06-12 92/112 86% 4.05 RR Moscow Riichi 2022
4 433 2022-03-20 39/68 57% 3.50 RR Tenpai can't buy happiness
5 640 2021-11-28 28/76 29% 3.45 RR Saint Petersburg Open 2021
6 568 2019-12-15 49/112 0% 4.05 EMA VIII Russian Riichi Championship
7 333 2019-11-04 43/64 0% 3.85 EMA Aki Shanten 2019
8 988 2019-05-04 2/84 0% 4.20 EMA Haru Shanten 2019
9 947 2019-02-10 2/20 0% 2.10 RR Fuyu Shanten 2019
10 560 2018-11-18 41/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
11 889 2018-08-11 4/28 0% 1.70 RR Natsu Shanten 2018
12 676 2018-05-01 24/72 0% 3.85 EMA Haru Shanten 2018
13 185 2018-02-17 23/28 0% 1.70 RR Fuyu Shanten
14 324 2017-11-12 49/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
15 548 2017-06-03 15/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017
16 548 2017-04-16 15/32 0% 2.20 RR Second riichi mahjong tournament, Chelyabinsk 2017
17 444 2017-03-25 16/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017
18 579 2015-09-27 9/20 0% 1.70 RR Plitochka
19 815 2015-02-22 6/28 0% 1.90 RR 2 winter riichi mahjong tournament 2015
20 263 2014-10-25 15/20 0% 1.30 RR Autumn riichi mahjong tournament 2014
21 455 2013-05-19 31/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013