Petrushchenko Sergey

From Moscow, Russia

EMA: 15990288

Player page

Internal rating (RR)

Rating date Aug. 20, 2022 (latest changes July 30, 2022).

8 place (777.22).

max_coefficients = (4.05 * 1 + 3.50 * 1 + 4.05 * 0.86 + 3.45 * 1) = 14.471255

p1 = (507.94 * 3.45 * 0 + 820.51 * 2.90 * 0.14 + 617.02 * 3.10 * 0.14 + 76.92 * 2.90 * 0.43 + 628.57 * 3.20 * 0.57 + 478.26 * 2.20 * 0.71 + 909.09 * 3.18 * 0.86 + 968.25 * 3.85 * 0.86 + 428.57 * 3.45 * 0.86 + 576.58 * 4.05 * 0.86 + 838.71 * 2.70 * 1 + 573.33 * 3.45 * 1 + 746.27 * 3.50 * 1 + 981.98 * 4.05 * 1) / (3.45 * 0 + 2.90 * 0.14 + 3.10 * 0.14 + 2.90 * 0.43 + 3.20 * 0.57 + 2.20 * 0.71 + 3.18 * 0.86 + 3.85 * 0.86 + 3.45 * 0.86 + 4.05 * 0.86 + 2.70 * 1 + 3.45 * 1 + 3.50 * 1 + 4.05 * 1) = 707.1144343692032

p2 = (981.98 * 4.05 * 1 + 968.25 * 3.85 * 0.86 + 746.27 * 3.50 * 1 + 909.09 * 3.18 * 0.86) / max_coefficients = 847.3245755119375

score = 707.1144343692032 * 0.5 + 847.3245755119375 * 0.5 = 777.2195049405703

Rating changes

Show

Date Place Points Reason
2022-07-30 11 -> 8 753.15 -> 777.22

Moscow Open Riichi Marathon 2019: 71% -> 57%

VII Russian Riichi Championship "Aki Shanten": 14% -> 0%

White Dragon Tournament: 14% -> 0%

Saint Petersburg Open 2019: 100% -> 86%

VIII Russian Riichi Championship: 100% -> 86%

Summer Cup 2019: 57% -> 43%

2022-06-30 7 -> 11 775.99 -> 753.15

Tri Nitro Tournament 2019 - 7th Detonation: 100% -> 86%

North Cup 2018: 29% -> 14%

Agari team tournament 2019: 29% -> 14%

Haru Shanten 2019: 57% -> 43%

Aki Shanten 2019: 100% -> 86%

Valencia Riichi 2019: 86% -> 71%

2022-06-12 19 -> 7 720.37 -> 775.99

Moscow Riichi 2022: 0% -> 100%

2022-05-30 19 716.92 -> 720.37

VII Russian Riichi Championship "Aki Shanten": 29% -> 14%

White Dragon Tournament: 29% -> 14%

Summer Cup 2019: 71% -> 57%

Moscow Open Riichi Marathon 2019: 86% -> 71%

2022-04-30 21 -> 19 715.46 -> 716.92

Haru Shanten 2019: 71% -> 57%

Valencia Riichi 2019: 100% -> 86%

1st Spanish Riichi Open 2018: 14% -> 0%

Agari team tournament 2019: 43% -> 29%

Moscow Riichi Open 2018: 14% -> 0%

North Cup 2018: 43% -> 29%

2022-03-30 21 712.60 -> 715.46

VII Russian Riichi Championship "Aki Shanten": 43% -> 29%

White Dragon Tournament: 43% -> 29%

Moscow Open Riichi Marathon 2019: 100% -> 86%

Summer Cup 2019: 86% -> 71%

2022-03-20 22 -> 21 697.20 -> 712.60

Tenpai can't buy happiness: 0% -> 100%

2022-02-28 22 694.80 -> 697.20

Agari team tournament 2019: 57% -> 43%

Moscow Riichi Open 2018: 29% -> 14%

North Cup 2018: 57% -> 43%

5th Prague Open Riichi Championship 2018: 14% -> 0%

Moscow Open Riichi Marathon: 14% -> 0%

Haru Shanten 2019: 86% -> 71%

1st Spanish Riichi Open 2018: 29% -> 14%

2022-01-30 20 -> 22 715.80 -> 694.80

White Dragon Tournament: 57% -> 43%

VII Russian Riichi Championship "Aki Shanten": 57% -> 43%

RCR Saint Petersburg South Cup 2018: 14% -> 0%

Summer Cup 2019: 100% -> 86%

2021-12-30 21 -> 20 701.07 -> 715.80

Haru Shanten 2018: 14% -> 0%

5th Prague Open Riichi Championship 2018: 29% -> 14%

Moscow Open Riichi Marathon: 29% -> 14%

1st Spanish Riichi Open 2018: 43% -> 29%

Moscow Riichi Open 2018: 43% -> 29%

North Cup 2018: 71% -> 57%

Agari team tournament 2019: 71% -> 57%

Haru Shanten 2019: 100% -> 86%

Tournaments

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