Zarubin Sergey

From Novosibirsk, Russia

EMA: 15020006

Player page

Internal rating (RR)

Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).

100 place (216.71).

max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645

p1 = (626.51 * 4.20 * 0.29 + 703.70 * 2.30 * 0.57 + 52.63 * 2.10 * 0.86 + 0 + 0) / (4.20 * 0.29 + 2.30 * 0.57 + 2.10 * 0.86 + 1 + 1) = 280.53537575604963

p2 = (703.70 * 2.30 * 0.57 + 626.51 * 4.20 * 0.29 + 52.63 * 2.10 * 0.86) / max_coefficients = 152.88920038547704

score = 280.53537575604963 * 0.5 + 152.88920038547704 * 0.5 = 216.71228807076335

Rating changes

Show

all results
Date Place Points Reason
2021-02-01 65 -> 100 506.21 -> 216.71
2020-02-01 65 506.21

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 53 2020-01-05 19/20 86% 2.10 EMA Snow Dragon Tournament
2 704 2019-08-25 9/28 57% 2.30 RR The Green dragon tournament
3 627 2019-05-04 32/84 29% 4.20 EMA Haru Shanten 2019
4 745 2019-01-05 15/56 0% 3.00 EMA Snow Dragon
5 609 2018-08-12 10/24 0% 2.20 RR Siberian riichi
6 957 2017-08-13 2/24 0% 2.20 EMA Siberia Cup 2017
7 355 2013-01-05 21/32 0% 2.00 RR Riichi tournament 2013