Erentsov Oleg

From Serpukhov, Russia

EMA: 15990062

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Common russian riichi rating (CRR)

Rating date Feb. 1, 2020 (latest changes Feb. 1, 2020).

92 place (446.55).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.85 * 1 + 3.45 * 1) = 15.55

p1 = (650.79 * 3.45 * 0.86 + 936.51 * 3.45 * 1 + 252.25 * 4.05 * 1 + 0 + 0) / (3.45 * 0.86 + 3.45 * 1 + 4.05 * 1 + 1 + 1) = 495.86276626104456

p2 = (936.51 * 3.45 * 1 + 650.79 * 3.45 * 0.86 + 252.25 * 4.05 * 1) / max_coefficients = 397.232154340836

score = 495.86276626104456 * 0.5 + 397.232154340836 * 0.5 = 446.5474603009403

Rating changes

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all results
Date Place Points Reason
2020-02-01 92 446.55

Tournaments

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