Petrushchenko Sergey

From Moscow, Russia

EMA: 15990288

Player page

Internal rating (RR)

Rating date April 25, 2019 (latest changes April 25, 2019).

8 place (772.78).

max_coefficients = (3.85 * 1 + 3.80 * 1 + 3.55 * 1 + 3.45 * 1) = 14.649999999999999

p1 = (913.04 * 2.90 * 0.14 + 57.14 * 3.20 * 0.29 + 407.41 * 2.30 * 0.43 + 111.11 * 2.60 * 0.43 + 845.07 * 3.25 * 0.57 + 686.75 * 3.40 * 0.57 + 340.43 * 2.80 * 0.86 + 859.15 * 3.85 * 1 + 859.15 * 3.55 * 1 + 612.90 * 2.85 * 1 + 925.93 * 3 * 1 + 957.45 * 2.80 * 1 + 835.16 * 3.80 * 1 + 507.94 * 3.45 * 1 + 820.51 * 2.90 * 1 + 617.02 * 3.10 * 1) / (2.90 * 0.14 + 3.20 * 0.29 + 2.30 * 0.43 + 2.60 * 0.43 + 3.25 * 0.57 + 3.40 * 0.57 + 2.80 * 0.86 + 3.85 * 1 + 3.55 * 1 + 2.85 * 1 + 3 * 1 + 2.80 * 1 + 3.80 * 1 + 3.45 * 1 + 2.90 * 1 + 3.10 * 1) = 705.3437483302714

p2 = (859.15 * 3.85 * 1 + 835.16 * 3.80 * 1 + 859.15 * 3.55 * 1 + 925.93 * 3 * 1) / max_coefficients = 840.2156996587032

score = 705.3437483302714 * 0.5 + 840.2156996587032 * 0.5 = 772.7797239944873

Rating changes

Show

Date Place Points Reason
2019-04-11 8 772.67 -> 772.78

VI Russian Riichi Championship 2017: 71% -> 57%

2019-04-04 8 773.75 -> 772.67

Prague Open 2017: 29% -> 14%

2019-03-25 8 771.92 -> 773.75

Great Wave 2018: 100% -> 86%

2019-03-24 8 769.21 -> 771.92

Moscow Riichi Half Marathon 2017: 57% -> 43%

2019-03-12 8 770.04 -> 769.21

Perm Riichi 2017 Aki Shanten: 71% -> 57%

2019-03-11 8 768.60 -> 770.04

Moscow championship 2017 (JPML-A rules): 14% -> 0%

2019-03-09 8 765.10 -> 768.60

Moscow Open Riichi Marathon 2017: 43% -> 29%

2019-03-03 8 764.00 -> 765.10

Riichi Open Bratislava 2017: 57% -> 43%

2019-02-12 8 776.45 -> 764.00

February mini-tournament glhf; 2017: 14% -> 0%

2019-02-11 8 776.29 -> 776.45

VI Russian Riichi Championship 2017: 86% -> 71%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 617 2019-01-13 19/48 100% 3.10 RR Agari team tournament 2019
2 821 2018-12-23 8/40 100% 2.90 RR North Cup 2018
3 508 2018-12-16 32/64 100% 3.45 EMA White Dragon Tournament
4 835 2018-11-18 16/92 100% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
5 957 2018-09-16 3/48 100% 2.80 EMA 1st Spanish Riichi Open 2018
6 149 2018-08-19 41/48 100% 3.10 RR Moscow Riichi Open 2018
7 926 2018-07-15 3/28 100% 3.00 RR Moscow Open Riichi Marathon
8 613 2018-06-17 13/32 100% 2.85 EMA 5th Prague Open Riichi Championship 2018
9 859 2018-06-11 11/72 100% 3.55 EMA RCR Saint Petersburg South Cup 2018
10 859 2018-05-01 11/72 100% 3.85 EMA Haru Shanten 2018
11 340 2018-03-25 32/48 86% 2.80 EMA Great Wave 2018
12 687 2017-12-11 27/84 57% 3.40 EMA VI Russian Riichi Championship 2017
13 845 2017-11-12 12/72 57% 3.25 EMA Perm Riichi 2017 Aki Shanten
14 48 2017-10-22 61/64 43% 3.45 EMA Moscow Riichi Open 2017
15 111 2017-09-24 25/28 43% 2.60 RR Moscow Riichi Half Marathon 2017
16 407 2017-09-03 17/28 43% 2.30 EMA Riichi Open Bratislava 2017
17 57 2017-07-09 34/36 29% 3.20 RR Moscow Open Riichi Marathon 2017
18 913 2017-06-04 3/24 14% 2.90 EMA Prague Open 2017
19 282 2017-03-11 29/40 0% 2.00 RR Moscow championship 2017 (JPML-A rules)
20 733 2017-02-12 5/16 0% 2.30 RR February mini-tournament glhf; 2017
21 391 2016-12-10 15/24 0% 1.60 RR December tournament glhf; 2016
22 507 2016-12-04 36/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016
23 194 2016-10-16 26/32 0% 1.60 RR Tournament of 4 winds. West cup 2016
24 103 2016-09-11 79/88 0% 3.45 EMA V Russian Riichi Championship 2016
25 263 2016-08-27 15/20 0% 1.50 RR August tournament glhf; 2016
26 0 2016-05-28 24/24 0% 1.60 RR May tournament glhf; 2016