Kozlovskaya Yana

From Saint Petersburg, Russia

EMA: 15020050

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Internal rating (RR)

Rating date Aug. 11, 2024 (latest changes Aug. 11, 2024).

71 place (394.63).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.05 * 1) = 15.3

p1 = (597.70 * 3.75 * 0.71 + 401.87 * 4 * 1 + 500 * 2.10 * 1 + 379.75 * 3.65 * 1 + 0) / (3.75 * 0.71 + 4 * 1 + 2.10 * 1 + 3.65 * 1 + 1) = 420.33938694393504

p2 = (401.87 * 4 * 1 + 597.70 * 3.75 * 0.71 + 379.75 * 3.65 * 1 + 500 * 2.10 * 1) / max_coefficients = 368.9267973856209

score = 420.33938694393504 * 0.5 + 368.9267973856209 * 0.5 = 394.63309216477796

Rating changes

Show

all results
Date Place Points Reason
2024-08-11 70 -> 71 406.42 -> 394.63

Money can not buy tenpai: 86% -> 71%
2024-08-04 81 -> 70 356.35 -> 406.42

Riichi over Volga: 0% -> 100%
2024-07-14 75 -> 81 356.35
2024-07-06 77 -> 75 356.35
2024-06-11 64 -> 77 397.62 -> 356.35

Money can not buy tenpai: 100% -> 86%
2024-06-09 62 -> 64 397.62
2024-05-12 37 -> 62 430.44 -> 397.62
2024-05-06 39 -> 37 425.85 -> 430.44
2024-04-12 38 -> 39 440.13 -> 425.85

Moscow Riichi 2022: 29% -> 14%
2024-03-30 53 -> 38 375.47 -> 440.13

Seihoku spring tournament 2024: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 380 2024-08-04 50/80 100% 3.65 RR Riichi over Volga
2 500 2024-03-30 24/47 100% 2.10 RR Seihoku spring tournament 2024
3 402 2023-09-03 65/108 100% 4.00 RR SPB Riichi Open 2023
4 598 2023-06-11 36/88 71% 3.75 RR Money can not buy tenpai
5 550 2022-06-12 51/112 0% 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
11 871 2020-01-26 5/32 0% 2.70 RR The last chance: back to 2019
12 162 2019-12-15 94/112 0% 4.05 EMA VIII Russian Riichi Championship
13 810 2019-11-24 13/64 0% 3.45 EMA Saint Petersburg Open 2019
14 73 2019-10-20 52/56 0% 3.03 EMA Tri Nitro Tournament 2019 - 7th Detonation
15 481 2019-09-08 15/28 0% 2.60 RR And yet the sinner collects tanyao
16 630 2019-08-25 11/28 0% 2.30 EMA Riichi Open Bratislava 2019
17 143 2019-07-21 31/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
18 872 2019-06-02 6/40 0% 2.90 RR Summer Cup 2019
19 964 2019-05-04 4/84 0% 4.20 EMA Haru Shanten 2019
20 826 2019-03-09 5/24 0% 2.50 RR Toi-Toi-man Tournament
21 526 2019-02-10 10/20 0% 2.10 RR Fuyu Shanten 2019
22 604 2018-11-18 37/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
23 481 2018-07-15 15/28 0% 3.00 RR Moscow Open Riichi Marathon
24 42 2018-06-11 69/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018
25 380 2018-05-01 45/72 0% 3.85 EMA Haru Shanten 2018
26 222 2018-02-17 22/28 0% 1.70 RR Fuyu Shanten
27 789 2017-12-24 5/20 0% 2.10 EMA Tyumen Riichi Open 2017
28 423 2017-11-12 42/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
29 677 2017-06-03 11/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017
30 452 2017-04-16 18/32 0% 2.20 RR Second riichi mahjong tournament, Chelyabinsk 2017
31 1000 2017-03-25 1/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017
32 714 2017-01-05 11/36 0% 2.50 RR Quick discard 2017
33 516 2016-05-03 16/32 0% 2.40 RR Siberia Cup 2016