Erentsov Oleg

From Serpukhov, Russia

EMA: 15990062

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Internal rating (RR)

Rating date March 7, 2026 (latest changes March 7, 2026).

200 place (163.47).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (463.16 * 3.85 * 0.43 + 253.73 * 4.10 * 1 + 0 + 0 + 0) / (3.85 * 0.43 + 4.10 * 1 + 1 + 1 + 1) = 206.2328359300626

p2 = (253.73 * 4.10 * 1 + 463.16 * 3.85 * 0.43) / max_coefficients = 120.70635451505017

score = 206.2328359300626 * 0.5 + 120.70635451505017 * 0.5 = 163.4695952225564

Rating changes

Show

all results
Date Place Points Reason
2026-03-01 198 -> 200 179.58 -> 163.47

SPB Riichi Open 2024: 57% -> 43%
2026-02-23 189 -> 198 179.58
2026-02-09 190 -> 189 179.58
2026-02-08 189 -> 190 179.58
2026-01-25 188 -> 189 179.58
2026-01-14 189 -> 188 179.58
2026-01-12 190 -> 189 179.58
2026-01-10 191 -> 190 179.58
2026-01-07 190 -> 191 179.58
2026-01-01 185 -> 190 194.85 -> 179.58

SPB Riichi Open 2024: 71% -> 57%

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 43% 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