Sirotkin Dmitry

From Moscow, Russia

EMA: 15990155

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Internal rating (RR)

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

4 place (723.62).

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

p1 = (533.33 * 3.45 * 0.86 + 808.51 * 3.10 * 0.86 + 955.22 * 3.50 * 1 + 288.29 * 4.05 * 1 + 933.33 * 4.20 * 1) / (3.45 * 0.86 + 3.10 * 0.86 + 3.50 * 1 + 4.05 * 1 + 4.20 * 1) = 700.0763936660926

p2 = (933.33 * 4.20 * 1 + 955.22 * 3.50 * 1 + 808.51 * 3.10 * 0.86 + 533.33 * 3.45 * 0.86) / max_coefficients = 747.1655494545283

score = 700.0763936660926 * 0.5 + 747.1655494545283 * 0.5 = 723.6209715603104

Rating changes

Show

all results
Date Place Points Reason
2022-12-19 4 733.43 -> 723.62

Agari team tournament: 100% -> 86%
2022-11-28 5 -> 4 731.00 -> 733.43

Saint Petersburg Open 2021: 100% -> 86%
2022-11-06 13 -> 5 602.98 -> 731.00

IX Russian Riichi Championship: 0% -> 100%
2022-06-12 4 -> 13 607.08 -> 602.98

Moscow Riichi 2022: 0% -> 100%
2022-04-01 10 -> 4 670.38 -> 607.08
2021-02-01 25 -> 10 679.40 -> 670.38
2020-02-01 25 679.40

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 933 2022-11-06 6/76 100% 4.20 RR IX Russian Riichi Championship
2 288 2022-06-12 80/112 100% 4.05 RR Moscow Riichi 2022
3 955 2022-03-20 4/68 100% 3.50 RR Tenpai can't buy happiness
4 809 2021-12-19 10/48 86% 3.10 RR Agari team tournament
5 533 2021-11-28 36/76 86% 3.45 RR Saint Petersburg Open 2021
6 897 2020-03-08 5/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai
7 97 2020-01-26 29/32 0% 2.70 RR The last chance: back to 2019
8 378 2019-12-15 70/112 0% 4.05 EMA VIII Russian Riichi Championship
9 714 2019-11-24 19/64 0% 3.45 EMA Saint Petersburg Open 2019
10 698 2019-11-04 20/64 0% 3.85 EMA Aki Shanten 2019
11 764 2019-10-20 14/56 0% 3.03 EMA Tri Nitro Tournament 2019 - 7th Detonation
12 778 2019-09-08 7/28 0% 2.60 RR And yet the sinner collects tanyao
13 857 2019-07-21 6/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
14 256 2019-06-02 30/40 0% 2.90 RR Summer Cup 2019
15 494 2019-05-04 43/84 0% 4.20 EMA Haru Shanten 2019
16 915 2019-01-13 5/48 0% 3.10 RR Agari team tournament 2019
17 873 2019-01-05 8/56 0% 3.00 EMA Snow Dragon
18 231 2018-12-23 31/40 0% 2.90 RR North Cup 2018
19 698 2018-12-16 20/64 0% 3.45 EMA White Dragon Tournament
20 978 2018-11-18 3/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
21 484 2018-10-28 17/32 0% 2.70 EMA Tsukimi 2018
22 170 2018-08-19 40/48 0% 3.10 RR Moscow Riichi Open 2018
23 870 2018-07-22 4/24 0% 3.18 RR Winner tournament. Agari season event
24 593 2018-07-15 12/28 0% 3.00 RR Moscow Open Riichi Marathon
25 581 2018-06-17 14/32 0% 2.85 EMA 5th Prague Open Riichi Championship 2018
26 732 2018-06-11 20/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018
27 535 2018-05-01 34/72 0% 3.85 EMA Haru Shanten 2018
28 819 2017-12-11 16/84 0% 3.40 EMA VI Russian Riichi Championship 2017
29 972 2017-11-12 3/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
30 564 2017-11-05 18/40 0% 2.75 EMA Riichi Dutch open 2017
31 730 2017-10-22 18/64 0% 3.45 EMA Moscow Riichi Open 2017
32 963 2017-09-24 2/28 0% 2.60 RR Moscow Riichi Half Marathon 2017
33 743 2017-07-09 10/36 0% 3.20 RR Moscow Open Riichi Marathon 2017
34 949 2017-03-11 3/40 0% 2.00 RR Moscow championship 2017 (JPML-A rules)
35 667 2017-02-12 6/16 0% 2.30 RR February mini-tournament glhf; 2017
36 826 2016-12-10 5/24 0% 1.60 RR December tournament glhf; 2016
37 379 2016-09-11 55/88 0% 3.45 EMA V Russian Riichi Championship 2016
38 478 2016-05-28 13/24 0% 1.60 RR May tournament glhf; 2016
39 933 2016-04-17 2/16 0% 1.20 RR Riichi mahjong league tournament 2016 (JPML-A rules)
40 960 2016-03-13 5/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
41 706 2015-10-18 16/52 0% 2.90 EMA Russian Open Riichi Championship 2015
42 140 2015-03-08 38/44 0% 2.50 EMA Moscow Riichi Championship 2015
43 841 2014-09-21 11/64 0% 3.15 RR "Japanese House" riichi mahjong cup 2014
44 973 2014-02-15 3/76 0% 2.50 RR Moscow Riichi 2014
45 507 2013-12-08 36/72 0% 3.25 EMA Russian Riichi Championship 2013
46 36 2013-05-19 54/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013