Alekseeva Olga
From Moscow, Russia
EMA: 15990342
Internal rating (RR)
Rating date Sept. 3, 2024 (latest changes Sept. 3, 2024).
79 place (409.73).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
p1 = (579.44 * 4 * 0.86 + 352.94 * 3.05 * 1 + 98.04 * 3.05 * 1 + 715.79 * 3.85 * 1 + 0) / (4 * 0.86 + 3.05 * 1 + 3.05 * 1 + 3.85 * 1 + 1) = 425.48753686084683
p2 = (715.79 * 3.85 * 1 + 579.44 * 4 * 0.86 + 352.94 * 3.05 * 1 + 98.04 * 3.05 * 1) / max_coefficients = 393.9768424306432
score = 425.48753686084683 * 0.5 + 393.9768424306432 * 0.5 = 409.73218964574505
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-09-03 | 76 -> 79 | 415.97 -> 409.73 |
SPB Riichi Open 2023: 100% -> 86% |
2024-09-01 | 105 -> 76 | 273.31 -> 415.97 |
SPB Riichi Open 2024: 0% -> 100% |
2024-08-11 | 106 -> 105 | 272.03 -> 273.31 | |
2024-08-04 | 102 -> 106 | 276.85 -> 272.03 | |
2024-07-14 | 96 -> 102 | 276.85 | |
2024-06-11 | 101 -> 96 | 272.52 -> 276.85 | |
2024-06-09 | 103 -> 101 | 215.15 -> 272.52 |
Agari Summer Tournament 2024: 0% -> 100% |
2024-05-12 | 82 -> 103 | 231.61 -> 215.15 | |
2024-05-06 | 86 -> 82 | 229.31 -> 231.61 | |
2024-04-12 | 88 -> 86 | 229.31 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 716 |
|
28/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
2 | 353 |
|
34/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 |
3 | 98 |
|
47/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
4 | 579 |
|
46/108 | 86% | 4.00 | RR | SPB Riichi Open 2023 |
5 | 362 |
|
31/48 | 0% | 3.10 | RR | Agari team tournament |
6 | 813 |
|
15/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
7 | 673 |
|
19/56 | 0% | 3.30 | RR | Kirov Tournament |
8 | 641 |
|
15/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
9 | 432 |
|
64/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
10 | 873 |
|
9/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
11 | 349 |
|
42/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
12 | 977 |
|
2/44 | 0% | 2.70 | EMA | Minsk Midori open 2019 |
13 | 538 |
|
19/40 | 0% | 2.90 | RR | Summer Cup 2019 |
14 | 976 |
|
3/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
15 | 574 |
|
21/48 | 0% | 3.10 | RR | Agari team tournament 2019 |
16 | 667 |
|
14/40 | 0% | 2.90 | RR | North Cup 2018 |
17 | 762 |
|
16/64 | 0% | 3.45 | EMA | White Dragon Tournament |
18 | 659 |
|
32/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
19 | 806 |
|
7/32 | 0% | 2.70 | EMA | Tsukimi 2018 |
20 | 486 |
|
19/36 | 0% | 2.50 | EMA | Finnish Riichi Open 2018 |
21 | 817 |
|
14/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
22 | 690 |
|
23/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
23 | 129 |
|
28/32 | 0% | 2.70 | RR | East Cup 2018 |
24 | 277 |
|
61/84 | 0% | 3.40 | EMA | VI Russian Riichi Championship 2017 |
25 | 513 |
|
20/40 | 0% | 1.80 | RR | Saint Petersburg championship. Northern cup 2017 |
26 | 821 |
|
8/40 | 0% | 1.80 | RR | Saint Petersburg championship. West cup 2017 |
27 | 774 |
|
8/32 | 0% | 1.60 | RR | Tournament of 4 winds. West cup 2016 |
28 | 391 |
|
15/24 | 0% | 1.40 | RR | Tournament of 4 winds. South cup 2016 |
29 | 839 |
|
6/32 | 0% | 1.60 | RR | Tournament of 4 winds. East cup 2016 |
30 | 455 |
|
55/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 |
31 | 333 |
|
11/16 | 0% | 2.00 | RR | Two-day tournament of Saint Petersburg riichi mahjong league |
32 | 737 |
|
6/20 | 0% | 1.30 | RR | Tournament of Saint Petersburg riichi mahjong league |