Petrushchenko Sergey

From Moscow, Russia

EMA: 15990288

Player page

Online rating

Rating date Feb. 27, 2021 (latest changes Feb. 17, 2021).

47 place (640.47).

max_coefficients = (3.70 * 1 + 3.69 * 1 + 3.50 * 1) = 10.89

p1 = (781.82 * 2.80 * 0.43 + 951.05 * 3.71 * 0.86 + 568.35 * 3.70 * 1 + 158.88 * 3.50 * 1 + 133.33 * 3.69 * 1 + 915.49 * 3.05 * 1 + 803.92 * 2.70 * 1 + 127.27 * 2.80 * 1 + 731.34 * 3 * 1) / (2.80 * 0.43 + 3.71 * 0.86 + 3.70 * 1 + 3.50 * 1 + 3.69 * 1 + 3.05 * 1 + 2.70 * 1 + 2.80 * 1 + 3 * 1) = 545.3632767971242

p2 = (951.05 * 3.71 * 0.86 + 915.49 * 3.05 * 1 + 731.34 * 3 * 1) / max_coefficients = 735.5794306703398

score = 545.3632767971242 * 0.5 + 735.5794306703398 * 0.5 = 640.471353733732

Chart scale: normalized original

Rating changes

Show

Date Place Points Reason
2021-02-16 34 -> 47 660.16 -> 640.47

Riichi Online Open Team Cup 2020: 100% -> 86%

2021-01-28 33 -> 34 661.80 -> 660.16

Summer Online Tournament: 57% -> 43%

2021-01-20 26 -> 33 695.60 -> 661.80

Winter Online Tournament: 14% -> 0%

2021-01-10 36 -> 26 652.18 -> 695.60

Winter Online Tournament: 0% -> 100%

2020-11-28 36 654.08 -> 652.18

Summer Online Tournament: 71% -> 57%

2020-11-20 35 -> 36 655.98 -> 654.08

Winter Online Tournament: 29% -> 14%

2020-11-01 34 -> 35 655.98
2020-10-11 32 -> 34 655.98
2020-09-29 33 -> 32 655.98
2020-09-28 33 657.76 -> 655.98

Summer Online Tournament: 86% -> 71%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 731 2021-01-10 19/68 100% 3.00 ONLINE Winter Online Tournament
2 127 2020-09-13 49/56 100% 2.80 ONLINE Autumn Online Tournament
3 804 2020-07-12 11/52 100% 2.70 ONLINE Rainy season tournament[梅雨]
4 915 2020-06-14 7/72 100% 3.05 ONLINE Summer Tournament
5 133 2020-05-24 118/136 100% 3.69 ONLINE Riichi Online Open Team Cup
6 159 2020-05-10 91/108 100% 3.50 ONLINE Spring tournament
7 568 2020-04-12 61/140 100% 3.70 ONLINE Corona go away
8 951 2020-02-16 8/144 86% 3.71 ONLINE Riichi Online Open Team Cup 2020
9 782 2019-07-28 13/56 43% 2.80 ONLINE Summer Online Tournament
10 778 2019-01-20 15/64 0% 2.95 ONLINE Winter Online Tournament
11 322 2018-07-01 41/60 0% 2.90 ONLINE Summer online tournament 2018
12 766 2017-02-25 12/48 0% 2.00 ONLINE Winter riichi-blitz 2017
13 239 2016-11-26 52/68 0% 2.40 ONLINE Autumn riichi-blitz 2016