Alekseeva Olga

From Moscow, Russia

EMA: 15990342

Player page

Internal rating (RR)

Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).

20 place (638.63).

max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645

p1 = (975.90 * 4.20 * 0.29 + 538.46 * 2.90 * 0.43 + 976.74 * 2.70 * 0.71 + 349.21 * 3.85 * 0.71 + 873.02 * 3.45 * 0.71 + 432.43 * 4.05 * 0.86 + 641.03 * 2.90 * 1) / (4.20 * 0.29 + 2.90 * 0.43 + 2.70 * 0.71 + 3.85 * 0.71 + 3.45 * 0.71 + 4.05 * 0.86 + 2.90 * 1) = 638.953045142502

p2 = (873.02 * 3.45 * 0.71 + 976.74 * 2.70 * 0.71 + 641.03 * 2.90 * 1 + 432.43 * 4.05 * 0.86) / max_coefficients = 638.3080096101685

score = 638.953045142502 * 0.5 + 638.3080096101685 * 0.5 = 638.6305273763353

Rating changes

Show

all results
Date Place Points Reason
2021-02-01 6 -> 20 761.13 -> 638.63
2020-02-01 6 761.13

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 641 2020-03-08 15/40 100% 2.90 EMA Big open chiitoitsu in a small tenpai
2 432 2019-12-15 64/112 86% 4.05 EMA VIII Russian Riichi Championship
3 873 2019-11-24 9/64 71% 3.45 EMA Saint Petersburg Open 2019
4 349 2019-11-04 42/64 71% 3.85 EMA Aki Shanten 2019
5 977 2019-10-20 2/44 71% 2.70 EMA Minsk Midori open 2019
6 538 2019-06-02 19/40 43% 2.90 RR Summer Cup 2019
7 976 2019-05-04 3/84 29% 4.20 EMA Haru Shanten 2019
8 574 2019-01-13 21/48 0% 3.10 RR Agari team tournament 2019
9 667 2018-12-23 14/40 0% 2.90 RR North Cup 2018
10 762 2018-12-16 16/64 0% 3.45 EMA White Dragon Tournament
11 659 2018-11-18 32/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
12 806 2018-10-28 7/32 0% 2.70 EMA Tsukimi 2018
13 486 2018-08-26 19/36 0% 2.50 EMA Finnish Riichi Open 2018
14 817 2018-06-11 14/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018
15 690 2018-05-01 23/72 0% 3.85 EMA Haru Shanten 2018
16 129 2018-03-04 28/32 0% 2.70 RR East Cup 2018
17 277 2017-12-11 61/84 0% 3.40 EMA VI Russian Riichi Championship 2017
18 513 2017-10-01 20/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017
19 821 2017-06-03 8/40 0% 1.80 RR Saint Petersburg championship. West cup 2017
20 774 2016-10-16 8/32 0% 1.60 RR Tournament of 4 winds. West cup 2016
21 391 2016-07-03 15/24 0% 1.40 RR Tournament of 4 winds. South cup 2016
22 839 2016-03-27 6/32 0% 1.60 RR Tournament of 4 winds. East cup 2016
23 455 2016-03-13 55/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
24 333 2015-12-06 11/16 0% 2.00 RR Two-day tournament of Saint Petersburg riichi mahjong league
25 737 2015-11-15 6/20 0% 1.30 RR Tournament of Saint Petersburg riichi mahjong league