Erentsov Oleg

From Serpukhov, Russia

EMA: 15990062

Player page

Common russian riichi rating (CRR)

Rating date April 19, 2021 (latest changes April 16, 2021).

74 place (302.20).

max_coefficients = (2.90 * 0.86 + 4.05 * 0.57 + 3.85 * 0.57 + 3.45 * 0.57) = 8.970979999999999

p1 = (936.51 * 3.45 * 0.57 + 252.25 * 4.05 * 0.57 + 0 + 0 + 0) / (3.45 * 0.57 + 4.05 * 0.57 + 1 + 1 + 1) = 333.5282410266969

p2 = (936.51 * 3.45 * 0.57 + 252.25 * 4.05 * 0.57) / max_coefficients = 270.8644986389447

score = 333.5282410266969 * 0.5 + 270.8644986389447 * 0.5 = 302.1963698328208

Rating changes

Show

Date Place Points Reason
2021-04-15 77 -> 74 298.64 -> 302.20

VIII Russian Riichi Championship: 71% -> 57%

2021-04-03 78 -> 77 298.64
2021-04-02 78 297.44 -> 298.64
2021-03-26 78 293.97 -> 297.44
2021-03-24 71 -> 78 331.27 -> 293.97

Saint Petersburg Open 2019: 71% -> 57%

2021-03-08 74 -> 71 325.41 -> 331.27
2021-03-05 75 -> 74 325.41
2021-03-04 79 -> 75 319.72 -> 325.41
2021-02-15 80 -> 79 315.53 -> 319.72

VIII Russian Riichi Championship: 86% -> 71%

2021-02-10 81 -> 80 315.53

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 252 2019-12-15 84/112 57% 4.05 EMA VIII Russian Riichi Championship
2 937 2019-11-24 5/64 57% 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 RR 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