Kozlovskaya Yana

From Saint Petersburg, Russia

EMA: 15020050

Player page

Common russian riichi rating (CRR)

Rating date March 30, 2023 (latest changes March 28, 2023).

8 place (628.54).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985

p1 = (527.27 * 3.30 * 0.57 + 906.67 * 3.45 * 0.57 + 276.60 * 3.10 * 0.71 + 686.57 * 3.50 * 0.86 + 549.55 * 4.05 * 1 + 913.04 * 2.80 * 1) / (3.30 * 0.57 + 3.45 * 0.57 + 3.10 * 0.71 + 3.50 * 0.86 + 4.05 * 1 + 2.80 * 1) = 642.9097683393076

p2 = (913.04 * 2.80 * 1 + 549.55 * 4.05 * 1 + 686.57 * 3.50 * 0.86 + 906.67 * 3.45 * 0.57) / max_coefficients = 614.1802225646537

score = 642.9097683393076 * 0.5 + 614.1802225646537 * 0.5 = 628.5449954519806

Rating changes

Show

Date Place Points Reason
2023-03-28 7 -> 8 648.41 -> 628.54

Saint Petersburg Open 2021: 71% -> 57%

2023-03-20 5 -> 7 649.64 -> 648.41

Tenpai can't buy happiness: 100% -> 86%

2023-03-06 6 -> 5 647.95 -> 649.64

Kirov Tournament: 71% -> 57%

2023-02-19 7 -> 6 643.33 -> 647.95

Agari team tournament: 86% -> 71%

2023-01-28 6 -> 7 658.66 -> 643.33

Saint Petersburg Open 2021: 86% -> 71%

2023-01-06 8 -> 6 657.16 -> 658.66

Kirov Tournament: 86% -> 71%

2022-12-19 10 -> 8 649.71 -> 657.16

Agari team tournament: 100% -> 86%

2022-12-18 17 -> 10 590.16 -> 649.71

Meeting in the billiard room: 0% -> 100%

2022-11-28 15 -> 17 602.69 -> 590.16

Saint Petersburg Open 2021: 100% -> 86%

2022-11-06 11 -> 15 629.58 -> 602.69

Kirov Tournament: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 913 2022-12-18 3/24 100% 2.80 CRR Meeting in the billiard room
2 550 2022-06-12 51/112 100% 4.05 RR Moscow Riichi 2022
3 687 2022-03-20 22/68 86% 3.50 RR Tenpai can't buy happiness
4 277 2021-12-19 35/48 71% 3.10 RR Agari team tournament
5 907 2021-11-28 8/76 57% 3.45 RR Saint Petersburg Open 2021
6 527 2021-11-06 27/56 57% 3.30 RR Kirov Tournament
7 1000 2020-03-08 1/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai
8 158 2020-02-02 17/20 0% 2.40 CRR double-burning-2020
9 871 2020-01-26 5/32 0% 2.70 RR The last chance: back to 2019
10 162 2019-12-15 94/112 0% 4.05 EMA VIII Russian Riichi Championship
11 810 2019-11-24 13/64 0% 3.45 EMA Saint Petersburg Open 2019
12 73 2019-10-20 52/56 0% 3.03 EMA Tri Nitro Tournament 2019 - 7th Detonation
13 481 2019-09-08 15/28 0% 2.60 RR And yet the sinner collects tanyao
14 630 2019-08-25 11/28 0% 2.30 EMA Riichi Open Bratislava 2019
15 143 2019-07-21 31/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
16 872 2019-06-02 6/40 0% 2.90 RR Summer Cup 2019
17 964 2019-05-04 4/84 0% 4.20 EMA Haru Shanten 2019
18 826 2019-03-09 5/24 0% 2.50 RR Toi-Toi-man Tournament
19 526 2019-02-10 10/20 0% 2.10 RR Fuyu Shanten 2019
20 604 2018-11-18 37/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
21 481 2018-07-15 15/28 0% 3.00 RR Moscow Open Riichi Marathon
22 42 2018-06-11 69/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018
23 380 2018-05-01 45/72 0% 3.85 EMA Haru Shanten 2018
24 222 2018-02-17 22/28 0% 1.70 RR Fuyu Shanten
25 789 2017-12-24 5/20 0% 2.10 EMA Tyumen Riichi Open 2017
26 423 2017-11-12 42/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
27 677 2017-06-03 11/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017
28 452 2017-04-16 18/32 0% 2.20 RR Second riichi mahjong tournament, Chelyabinsk 2017
29 1000 2017-03-25 1/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017
30 714 2017-01-05 11/36 0% 2.50 RR Quick discard 2017
31 516 2016-05-03 16/32 0% 2.40 RR Siberia Cup 2016