Erentsov Oleg

From Serpukhov, Russia

EMA: 15990062

Player page

Internal rating (RR)

Rating date June 15, 2025 (latest changes June 15, 2025).

166 place (219.17).

max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266

p1 = (463.16 * 3.85 * 1 + 253.73 * 4.10 * 1 + 0 + 0 + 0) / (3.85 * 1 + 4.10 * 1 + 1 + 1 + 1) = 257.8502283105023

p2 = (463.16 * 3.85 * 1 + 253.73 * 4.10 * 1) / max_coefficients = 180.49743457954082

score = 257.8502283105023 * 0.5 + 180.49743457954082 * 0.5 = 219.17383144502156

Rating changes

Show

all results
Date Place Points Reason
2025-06-15 74 -> 166 315.53 -> 219.17

13 bloody tiles: 0% -> 100%
2021-02-01 80 -> 74 446.55 -> 315.53
2020-02-01 80 446.55

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 254 2025-06-15 51/68 100% 4.10 RR 13 bloody tiles Perm
2 463 2024-09-01 52/96 100% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
3 613 2022-06-12 44/112 0% 4.05 RR Moscow Riichi 2022 Moscow
4 252 2019-12-15 84/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
5 937 2019-11-24 5/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
6 651 2018-12-16 23/64 0% 3.45 EMA White Dragon Tournament Moscow
7 651 2017-10-22 23/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
8 402 2016-09-11 53/88 0% 3.45 EMA V Russian Riichi Championship 2016 Moscow
9 636 2016-03-13 37/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016 Moscow
10 209 2015-03-08 35/44 0% 2.50 EMA Moscow Riichi Championship 2015 Moscow
11 810 2014-12-07 13/64 0% 3.15 EMA Russian Open Riichi Championship 2014 Moscow
12 127 2014-09-21 56/64 0% 3.15 RR "Japanese House" riichi mahjong cup 2014 Moscow
13 627 2014-02-15 29/76 0% 2.50 RR Moscow Riichi 2014 Moscow
14 873 2013-12-08 10/72 0% 3.25 EMA Russian Riichi Championship 2013 Moscow
15 200 2013-05-19 45/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013 Moscow
16 947 2012-08-12 2/20 0% 1.30 EMA Russian Open Riichi Championship 2012 Moscow
17 286 2011-04-23 26/36 0% 0.90 EMA Moscow Riichi 2011 Moscow