Erentsov Oleg

From Serpukhov, Russia

EMA: 15990062

Player page

Internal rating (RR)

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

74 place (315.53).

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

p1 = (936.51 * 3.45 * 0.71 + 252.25 * 4.05 * 0.86 + 0 + 0 + 0) / (3.45 * 0.71 + 4.05 * 0.86 + 1 + 1 + 1) = 356.2719417520276

p2 = (936.51 * 3.45 * 0.71 + 252.25 * 4.05 * 0.86) / max_coefficients = 274.77969504503204

score = 356.2719417520276 * 0.5 + 274.77969504503204 * 0.5 = 315.52581839852985

Rating changes

Show

all results
Date Place Points Reason
2021-02-01 80 -> 74 446.55 -> 315.53
2020-02-01 80 446.55

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 252 2019-12-15 84/112 86% 4.05 EMA VIII Russian Riichi Championship
2 937 2019-11-24 5/64 71% 3.45 EMA Saint Petersburg Open 2019
3 651 2018-12-16 23/64 0% 3.45 EMA White Dragon Tournament
4 651 2017-10-22 23/64 0% 3.45 EMA Moscow Riichi Open 2017
5 402 2016-09-11 53/88 0% 3.45 EMA V Russian Riichi Championship 2016
6 636 2016-03-13 37/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
7 209 2015-03-08 35/44 0% 2.50 EMA Moscow Riichi Championship 2015
8 810 2014-12-07 13/64 0% 3.15 EMA Russian Open Riichi Championship 2014
9 127 2014-09-21 56/64 0% 3.15 RR "Japanese House" riichi mahjong cup 2014
10 627 2014-02-15 29/76 0% 2.50 RR Moscow Riichi 2014
11 873 2013-12-08 10/72 0% 3.25 EMA Russian Riichi Championship 2013
12 200 2013-05-19 45/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013
13 947 2012-08-12 2/20 0% 1.30 EMA Russian Open Riichi Championship 2012
14 286 2011-04-23 26/36 0% 0.90 EMA Moscow Riichi 2011