Erentsov Oleg

From Serpukhov, Russia

EMA: 15990062

Player page

Internal rating (RR)

Rating date May 16, 2026 (latest changes May 14, 2026).

208 place (146.68).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (463.16 * 3.85 * 0.29 + 253.73 * 4.10 * 1 + 0 + 0 + 0) / (3.85 * 0.29 + 4.10 * 1 + 1 + 1 + 1) = 188.9951700895555

p2 = (253.73 * 4.10 * 1 + 463.16 * 3.85 * 0.29) / max_coefficients = 104.36026936026936

score = 188.9951700895555 * 0.5 + 104.36026936026936 * 0.5 = 146.67771972491244

Rating changes

Show

all results
Date Place Points Reason
2026-05-12 218 -> 208 146.68
2026-05-07 219 -> 218 146.68
2026-05-03 214 -> 219 146.33 -> 146.68
2026-05-01 209 -> 214 163.47 -> 146.33

SPB Riichi Open 2024: 43% -> 29%
2026-04-19 202 -> 209 163.47
2026-04-16 201 -> 202 163.47
2026-04-13 203 -> 201 163.47
2026-04-11 201 -> 203 163.47
2026-04-05 197 -> 201 163.47
2026-03-30 198 -> 197 163.47

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 254 2025-06-15 51/68 100% 4.10 RR 13 bloody tiles Perm
2 463 2024-09-01 52/96 29% 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