Petrushchenko Sergey

From Moscow, Russia

EMA: 15990288

Player page

Common russian riichi rating (CRR)

Rating date Jan. 20, 2024 (latest changes Jan. 20, 2024).

3 place (722.22).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002

p1 = (739.13 * 2.80 * 0.86 + 746.27 * 3.50 * 0.14 + 981.98 * 4.05 * 0.43 + 172.41 * 3.75 * 1 + 775.70 * 4 * 1 + 871.79 * 2.90 * 1 + 906.67 * 4.20 * 0.71) / (2.80 * 0.86 + 3.50 * 0.14 + 4.05 * 0.43 + 3.75 * 1 + 4 * 1 + 2.90 * 1 + 4.20 * 0.71) = 702.6843604259451

p2 = (775.70 * 4 * 1 + 906.67 * 4.20 * 0.71 + 871.79 * 2.90 * 1 + 739.13 * 2.80 * 0.86) / max_coefficients = 741.7461901266367

score = 702.6843604259451 * 0.5 + 741.7461901266367 * 0.5 = 722.2152752762909

Rating changes

Show

all results
Date Place Points Reason
2024-01-20 4 -> 3 722.79 -> 722.22

Tenpai can't buy happiness: 29% -> 14%
2024-01-06 4 729.40 -> 722.79

IX Russian Riichi Championship: 86% -> 71%
2023-12-19 4 721.47 -> 729.40

Agari team tournament: 14% -> 0%
2023-12-18 4 732.29 -> 721.47

Meeting in the billiard room: 100% -> 86%
2023-12-12 3 -> 4 743.40 -> 732.29

Moscow Riichi 2022: 57% -> 43%
2023-11-28 4 -> 3 741.90 -> 743.40

Saint Petersburg Open 2021: 14% -> 0%
2023-11-26 5 -> 4 714.93 -> 741.90

Autumn Agari tournament: 0% -> 100%
2023-11-20 5 715.90 -> 714.93

Tenpai can't buy happiness: 43% -> 29%
2023-11-06 5 722.51 -> 715.90

IX Russian Riichi Championship: 100% -> 86%
2023-11-05 4 -> 5 722.51

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 872 2023-11-26 6/40 100% 2.90 CRR Autumn Agari tournament
2 776 2023-09-03 25/108 100% 4.00 RR SPB Riichi Open 2023
3 172 2023-06-11 73/88 100% 3.75 RR Money can not buy tenpai
4 739 2022-12-18 7/24 86% 2.80 CRR Meeting in the billiard room
5 907 2022-11-06 8/76 71% 4.20 RR IX Russian Riichi Championship
6 982 2022-06-12 3/112 43% 4.05 RR Moscow Riichi 2022
7 746 2022-03-20 18/68 14% 3.50 RR Tenpai can't buy happiness
8 0 2021-12-19 48/48 0% 3.10 RR Agari team tournament
9 573 2021-11-28 33/76 0% 3.45 RR Saint Petersburg Open 2021
10 737 2020-02-02 6/20 0% 2.40 CRR double-burning-2020
11 839 2020-01-26 6/32 0% 2.70 RR The last chance: back to 2019
12 577 2019-12-15 48/112 0% 4.05 EMA VIII Russian Riichi Championship
13 429 2019-11-24 37/64 0% 3.45 EMA Saint Petersburg Open 2019
14 968 2019-11-04 3/64 0% 3.85 EMA Aki Shanten 2019
15 909 2019-10-20 6/56 0% 3.18 EMA Tri Nitro Tournament 2019 - 7th Detonation
16 478 2019-09-15 13/24 0% 2.20 EMA Valencia Riichi 2019
17 629 2019-07-21 14/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
18 77 2019-06-02 37/40 0% 2.90 RR Summer Cup 2019
19 60 2019-05-04 79/84 0% 4.20 EMA Haru Shanten 2019
20 67 2019-03-24 15/16 0% 2.60 CRR Double burning
21 617 2019-01-13 19/48 0% 3.10 RR Agari team tournament 2019
22 821 2018-12-23 8/40 0% 2.90 RR North Cup 2018
23 508 2018-12-16 32/64 0% 3.45 EMA White Dragon Tournament
24 835 2018-11-18 16/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
25 957 2018-09-16 3/48 0% 2.80 EMA 1st Spanish Riichi Open 2018
26 149 2018-08-19 41/48 0% 3.10 RR Moscow Riichi Open 2018
27 926 2018-07-15 3/28 0% 3.00 RR Moscow Open Riichi Marathon
28 613 2018-06-17 13/32 0% 2.85 EMA 5th Prague Open Riichi Championship 2018
29 859 2018-06-11 11/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018
30 333 2018-05-20 19/28 0% 3.50 CRR A-League
31 421 2018-05-12 12/20 0% 1.50 CRR Agari tournament. First stage
32 859 2018-05-01 11/72 0% 3.85 EMA Haru Shanten 2018
33 340 2018-03-25 32/48 0% 2.80 EMA Great Wave 2018
34 0 2018-01-20 28/28 0% 1.70 CRR Team tournament Agari. Season event
35 687 2017-12-11 27/84 0% 3.40 EMA VI Russian Riichi Championship 2017
36 845 2017-11-12 12/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
37 48 2017-10-22 61/64 0% 3.45 EMA Moscow Riichi Open 2017
38 111 2017-09-24 25/28 0% 2.60 RR Moscow Riichi Half Marathon 2017
39 407 2017-09-03 17/28 0% 2.30 EMA Riichi Open Bratislava 2017
40 57 2017-07-09 34/36 0% 3.20 RR Moscow Open Riichi Marathon 2017
41 913 2017-06-04 3/24 0% 2.90 EMA Prague Open 2017
42 282 2017-03-11 29/40 0% 2.00 RR Moscow championship 2017 (JPML-A rules)
43 733 2017-02-12 5/16 0% 2.30 RR February mini-tournament glhf; 2017
44 391 2016-12-10 15/24 0% 1.60 RR December tournament glhf; 2016
45 507 2016-12-04 36/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016
46 194 2016-10-16 26/32 0% 1.60 RR Tournament of 4 winds. West cup 2016
47 103 2016-09-11 79/88 0% 3.45 EMA V Russian Riichi Championship 2016
48 263 2016-08-27 15/20 0% 1.50 RR August tournament glhf; 2016
49 0 2016-05-28 24/24 0% 1.60 RR May tournament glhf; 2016