Kozlovskaya Yana

From Saint Petersburg, Russia

EMA: 15020050

Player page

Internal rating (RR)

Rating date March 6, 2024 (latest changes March 6, 2024).

38 place (445.46).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.57 + 4.05 * 0.29) = 11.306965

p1 = (686.57 * 3.50 * 0.14 + 549.55 * 4.05 * 0.29 + 597.70 * 3.75 * 1 + 401.87 * 4 * 1 + 0) / (3.50 * 0.14 + 4.05 * 0.29 + 3.75 * 1 + 4 * 1 + 1) = 463.92053220668123

p2 = (597.70 * 3.75 * 1 + 401.87 * 4 * 1 + 549.55 * 4.05 * 0.29 + 686.57 * 3.50 * 0.14) / max_coefficients = 427.0049478352502

score = 463.92053220668123 * 0.5 + 427.0049478352502 * 0.5 = 445.4627400209657

Rating changes

Show

all results
Date Place Points Reason
2024-03-06 41 -> 38 434.70 -> 445.46
2024-02-12 38 -> 41 440.29 -> 434.70

Moscow Riichi 2022: 43% -> 29%
2024-01-20 34 -> 38 458.78 -> 440.29

Tenpai can't buy happiness: 29% -> 14%
2024-01-06 36 -> 34 448.71 -> 458.78
2023-12-19 35 -> 36 466.49 -> 448.71

Agari team tournament: 14% -> 0%
2023-12-12 32 -> 35 470.15 -> 466.49

Moscow Riichi 2022: 57% -> 43%
2023-11-28 32 478.19 -> 470.15

Saint Petersburg Open 2021: 14% -> 0%
2023-11-20 29 -> 32 493.86 -> 478.19

Tenpai can't buy happiness: 43% -> 29%
2023-11-06 34 -> 29 484.20 -> 493.86

Kirov Tournament: 14% -> 0%
2023-10-19 36 -> 34 479.90 -> 484.20

Agari team tournament: 29% -> 14%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 402 2023-09-03 65/108 100% 4.00 RR SPB Riichi Open 2023
2 598 2023-06-11 36/88 100% 3.75 RR Money can not buy tenpai
3 550 2022-06-12 51/112 29% 4.05 RR Moscow Riichi 2022
4 687 2022-03-20 22/68 14% 3.50 RR Tenpai can't buy happiness
5 277 2021-12-19 35/48 0% 3.10 RR Agari team tournament
6 907 2021-11-28 8/76 0% 3.45 RR Saint Petersburg Open 2021
7 527 2021-11-06 27/56 0% 3.30 RR Kirov Tournament
8 1000 2020-03-08 1/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai
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