Kozlovskaya Yana

From Saint Petersburg, Russia

EMA: 15020050

Player page

Common russian riichi rating (CRR)

Rating date April 12, 2024 (latest changes April 12, 2024).

35 place (528.77).

max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001

p1 = (549.55 * 4.05 * 0.14 + 913.04 * 2.80 * 0.71 + 597.70 * 3.75 * 1 + 401.87 * 4 * 1 + 500 * 2.10 * 1) / (4.05 * 0.14 + 2.80 * 0.71 + 3.75 * 1 + 4 * 1 + 2.10 * 1) = 566.6708370930868

p2 = (597.70 * 3.75 * 1 + 913.04 * 2.80 * 0.71 + 401.87 * 4 * 1 + 500 * 2.10 * 1) / max_coefficients = 490.87445255474444

score = 566.6708370930868 * 0.5 + 490.87445255474444 * 0.5 = 528.7726448239156

Rating changes

Show

all results
Date Place Points Reason
2024-04-12 37 -> 35 528.39 -> 528.77

Moscow Riichi 2022: 29% -> 14%
2024-03-30 41 -> 37 495.33 -> 528.39

Seihoku spring tournament 2024: 0% -> 100%
2024-03-20 37 -> 41 521.99 -> 495.33

Tenpai can't buy happiness: 14% -> 0%
2024-03-10 31 -> 37 533.46 -> 521.99
2024-03-06 32 -> 31 522.83 -> 533.46
2024-02-25 27 -> 32 522.83
2024-02-18 24 -> 27 541.79 -> 522.83

Meeting in the billiard room: 86% -> 71%
2024-02-12 25 -> 24 552.39 -> 541.79

Moscow Riichi 2022: 43% -> 29%
2024-01-20 25 554.21 -> 552.39

Tenpai can't buy happiness: 29% -> 14%
2024-01-06 27 -> 25 543.43 -> 554.21

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 500 2024-03-30 24/47 100% 2.10 RR Seihoku spring tournament 2024
2 402 2023-09-03 65/108 100% 4.00 RR SPB Riichi Open 2023
3 598 2023-06-11 36/88 100% 3.75 RR Money can not buy tenpai
4 913 2022-12-18 3/24 71% 2.80 CRR Meeting in the billiard room
5 550 2022-06-12 51/112 14% 4.05 RR Moscow Riichi 2022
6 687 2022-03-20 22/68 0% 3.50 RR Tenpai can't buy happiness
7 277 2021-12-19 35/48 0% 3.10 RR Agari team tournament
8 907 2021-11-28 8/76 0% 3.45 RR Saint Petersburg Open 2021
9 527 2021-11-06 27/56 0% 3.30 RR Kirov Tournament
10 1000 2020-03-08 1/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai
11 158 2020-02-02 17/20 0% 2.40 CRR double-burning-2020
12 871 2020-01-26 5/32 0% 2.70 RR The last chance: back to 2019
13 162 2019-12-15 94/112 0% 4.05 EMA VIII Russian Riichi Championship
14 810 2019-11-24 13/64 0% 3.45 EMA Saint Petersburg Open 2019
15 73 2019-10-20 52/56 0% 3.03 EMA Tri Nitro Tournament 2019 - 7th Detonation
16 481 2019-09-08 15/28 0% 2.60 RR And yet the sinner collects tanyao
17 630 2019-08-25 11/28 0% 2.30 EMA Riichi Open Bratislava 2019
18 143 2019-07-21 31/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
19 872 2019-06-02 6/40 0% 2.90 RR Summer Cup 2019
20 964 2019-05-04 4/84 0% 4.20 EMA Haru Shanten 2019
21 826 2019-03-09 5/24 0% 2.50 RR Toi-Toi-man Tournament
22 526 2019-02-10 10/20 0% 2.10 RR Fuyu Shanten 2019
23 604 2018-11-18 37/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
24 481 2018-07-15 15/28 0% 3.00 RR Moscow Open Riichi Marathon
25 42 2018-06-11 69/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018
26 380 2018-05-01 45/72 0% 3.85 EMA Haru Shanten 2018
27 222 2018-02-17 22/28 0% 1.70 RR Fuyu Shanten
28 789 2017-12-24 5/20 0% 2.10 EMA Tyumen Riichi Open 2017
29 423 2017-11-12 42/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
30 677 2017-06-03 11/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017
31 452 2017-04-16 18/32 0% 2.20 RR Second riichi mahjong tournament, Chelyabinsk 2017
32 1000 2017-03-25 1/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017
33 714 2017-01-05 11/36 0% 2.50 RR Quick discard 2017
34 516 2016-05-03 16/32 0% 2.40 RR Siberia Cup 2016