Kozlovskaya Yana

From Saint Petersburg, Russia

EMA: 15020050

Player page

Internal rating (RR)

Rating date April 26, 2019 (latest changes April 26, 2019).

65 place (514.78).

max_coefficients = (3.85 * 1 + 3.80 * 1 + 3.55 * 1 + 3.45 * 1) = 14.649999999999999

p1 = (677.42 * 1.60 * 0.14 + 422.54 * 3.25 * 0.57 + 789.47 * 2.10 * 0.57 + 222.22 * 1.70 * 0.71 + 380.28 * 3.85 * 1 + 481.48 * 3 * 1 + 604.40 * 3.80 * 1 + 526.32 * 2.10 * 1 + 826.09 * 2.50 * 1) / (1.60 * 0.14 + 3.25 * 0.57 + 2.10 * 0.57 + 1.70 * 0.71 + 3.85 * 1 + 3 * 1 + 3.80 * 1 + 2.10 * 1 + 2.50 * 1) = 533.2892150558431

p2 = (604.40 * 3.80 * 1 + 826.09 * 2.50 * 1 + 380.28 * 3.85 * 1 + 481.48 * 3 * 1) / max_coefficients = 496.27576791808883

score = 533.2892150558431 * 0.5 + 496.27576791808883 * 0.5 = 514.7824914869659

Rating changes

Show

Date Place Points Reason
2019-04-24 65 516.70 -> 514.78

Tyumen Riichi Open 2017: 71% -> 57%

2019-04-22 67 -> 65 516.70
2019-04-21 68 -> 67 516.70
2019-04-17 68 514.82 -> 516.70

Fuyu Shanten: 86% -> 71%

2019-04-16 69 -> 68 514.19 -> 514.82

Second riichi mahjong tournament, Chelyabinsk 2017: 14% -> 0%

2019-04-11 70 -> 69 514.19
2019-04-03 70 514.99 -> 514.19

"Summer shanten" tournament, Perm 2017: 29% -> 14%

2019-03-25 68 -> 70 517.36 -> 514.99

"Spring shanten" tournament, Perm 2017: 14% -> 0%

2019-03-24 67 -> 68 517.36
2019-03-18 68 -> 67 517.36

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 826 2019-03-09 5/24 100% 2.50 RR Toi-Toi-man Tournament
2 526 2019-02-10 10/20 100% 2.10 RR Fuyu Shanten 2019
3 604 2018-11-18 37/92 100% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
4 481 2018-07-15 15/28 100% 3.00 RR Moscow Open Riichi Marathon
5 42 2018-06-11 69/72 100% 3.55 EMA RCR Saint Petersburg South Cup 2018
6 380 2018-05-01 45/72 100% 3.85 EMA Haru Shanten 2018
7 222 2018-02-17 22/28 71% 1.70 RR Fuyu Shanten
8 789 2017-12-24 5/20 57% 2.10 EMA Tyumen Riichi Open 2017
9 423 2017-11-12 42/72 57% 3.25 EMA Perm Riichi 2017 Aki Shanten
10 677 2017-06-03 11/32 14% 1.60 RR "Summer shanten" tournament, Perm 2017
11 452 2017-04-16 18/32 0% 2.20 RR Second riichi mahjong tournament, Chelyabinsk 2017
12 1000 2017-03-25 1/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017
13 714 2017-01-05 11/36 0% 2.50 RR Quick discard 2017
14 516 2016-05-03 16/32 0% 2.40 RR Siberia Cup 2016