Petrushchenko Sergey

From Moscow, Russia

EMA: 15990288

Player page

Common russian riichi rating (CRR)

Rating date Sept. 30, 2023 (latest changes Sept. 30, 2023).

4 place (736.14).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (906.67 * 4.20 * 1 + 981.98 * 4.05 * 0.71 + 172.41 * 3.75 * 1 + 775.70 * 4 * 1 + 746.27 * 3.50 * 0.43 + 573.33 * 3.45 * 0.14 + 0 * 3.10 * 0.29 + 739.13 * 2.80 * 1) / (4.20 * 1 + 4.05 * 0.71 + 3.75 * 1 + 4 * 1 + 3.50 * 0.43 + 3.45 * 0.14 + 3.10 * 0.29 + 2.80 * 1) = 675.8629528074928

p2 = (906.67 * 4.20 * 1 + 775.70 * 4 * 1 + 981.98 * 4.05 * 0.71 + 739.13 * 2.80 * 1) / max_coefficients = 796.4176848011324

score = 675.8629528074928 * 0.5 + 796.4176848011324 * 0.5 = 736.1403188043125

Rating changes

Show

all results
Date Place Points Reason
2023-09-28 4 734.94 -> 736.14

Saint Petersburg Open 2021: 29% -> 14%
2023-09-20 4 735.78 -> 734.94

Tenpai can't buy happiness: 57% -> 43%
2023-09-03 4 700.31 -> 735.78

SPB Riichi Open 2023: 0% -> 100%
2023-09-01 9 -> 4 702.66 -> 700.31
2021-02-01 15 -> 9 701.71 -> 702.66
2020-02-01 15 701.71

Tournaments

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