Alekseeva Olga

From Moscow, Russia

EMA: 15990342

Player page

Internal rating (RR)

Rating date March 31, 2023 (latest changes March 30, 2023).

43 place (486.05).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 3.10 * 0.71) = 13.46418

p1 = (976.74 * 2.70 * 0.29 + 349.21 * 3.85 * 0.29 + 873.02 * 3.45 * 0.29 + 432.43 * 4.05 * 0.29 + 641.03 * 2.90 * 0.57 + 672.73 * 3.30 * 0.57 + 813.33 * 3.45 * 0.57 + 361.70 * 3.10 * 0.71) / (2.70 * 0.29 + 3.85 * 0.29 + 3.45 * 0.29 + 4.05 * 0.29 + 2.90 * 0.57 + 3.30 * 0.57 + 3.45 * 0.57 + 3.10 * 0.71) = 616.0081925156005

p2 = (813.33 * 3.45 * 0.57 + 672.73 * 3.30 * 0.57 + 641.03 * 2.90 * 0.57 + 873.02 * 3.45 * 0.29) / max_coefficients = 356.0989232170098

score = 616.0081925156005 * 0.5 + 356.0989232170098 * 0.5 = 486.05355786630514

Rating changes

Show

all results
Date Place Points Reason
2023-03-30 44 -> 43 502.84 -> 486.05

Saint Petersburg Open 2019: 43% -> 29%

VIII Russian Riichi Championship: 43% -> 29%
2023-03-28 42 -> 44 517.54 -> 502.84

Saint Petersburg Open 2021: 71% -> 57%
2023-03-20 42 510.33 -> 517.54
2023-03-06 42 522.30 -> 510.33

Kirov Tournament: 71% -> 57%
2023-02-28 43 -> 42 531.27 -> 522.30

Big open chiitoitsu in a small tenpai: 71% -> 57%

Aki Shanten 2019: 43% -> 29%

Minsk Midori open 2019: 43% -> 29%
2023-02-19 43 524.60 -> 531.27

Agari team tournament: 86% -> 71%
2023-01-30 42 -> 43 540.07 -> 524.60

Saint Petersburg Open 2019: 57% -> 43%

Summer Cup 2019: 14% -> 0%

VIII Russian Riichi Championship: 57% -> 43%
2023-01-28 36 -> 42 550.76 -> 540.07

Saint Petersburg Open 2021: 86% -> 71%
2023-01-06 34 -> 36 562.19 -> 550.76

Kirov Tournament: 86% -> 71%
2022-12-30 33 -> 34 571.00 -> 562.19

Minsk Midori open 2019: 57% -> 43%

Big open chiitoitsu in a small tenpai: 86% -> 71%

Aki Shanten 2019: 57% -> 43%

Haru Shanten 2019: 14% -> 0%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 362 2021-12-19 31/48 71% 3.10 RR Agari team tournament
2 813 2021-11-28 15/76 57% 3.45 RR Saint Petersburg Open 2021
3 673 2021-11-06 19/56 57% 3.30 RR Kirov Tournament
4 641 2020-03-08 15/40 57% 2.90 EMA Big open chiitoitsu in a small tenpai
5 432 2019-12-15 64/112 29% 4.05 EMA VIII Russian Riichi Championship
6 873 2019-11-24 9/64 29% 3.45 EMA Saint Petersburg Open 2019
7 349 2019-11-04 42/64 29% 3.85 EMA Aki Shanten 2019
8 977 2019-10-20 2/44 29% 2.70 EMA Minsk Midori open 2019
9 538 2019-06-02 19/40 0% 2.90 RR Summer Cup 2019
10 976 2019-05-04 3/84 0% 4.20 EMA Haru Shanten 2019
11 574 2019-01-13 21/48 0% 3.10 RR Agari team tournament 2019
12 667 2018-12-23 14/40 0% 2.90 RR North Cup 2018
13 762 2018-12-16 16/64 0% 3.45 EMA White Dragon Tournament
14 659 2018-11-18 32/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
15 806 2018-10-28 7/32 0% 2.70 EMA Tsukimi 2018
16 486 2018-08-26 19/36 0% 2.50 EMA Finnish Riichi Open 2018
17 817 2018-06-11 14/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018
18 690 2018-05-01 23/72 0% 3.85 EMA Haru Shanten 2018
19 129 2018-03-04 28/32 0% 2.70 RR East Cup 2018
20 277 2017-12-11 61/84 0% 3.40 EMA VI Russian Riichi Championship 2017
21 513 2017-10-01 20/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017
22 821 2017-06-03 8/40 0% 1.80 RR Saint Petersburg championship. West cup 2017
23 774 2016-10-16 8/32 0% 1.60 RR Tournament of 4 winds. West cup 2016
24 391 2016-07-03 15/24 0% 1.40 RR Tournament of 4 winds. South cup 2016
25 839 2016-03-27 6/32 0% 1.60 RR Tournament of 4 winds. East cup 2016
26 455 2016-03-13 55/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
27 333 2015-12-06 11/16 0% 2.00 RR Two-day tournament of Saint Petersburg riichi mahjong league
28 737 2015-11-15 6/20 0% 1.30 RR Tournament of Saint Petersburg riichi mahjong league