Kozlovskaya Yana

From Saint Petersburg, Russia

EMA: 15020050

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Common russian riichi rating (CRR)

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

24 place (541.79).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002

p1 = (913.04 * 2.80 * 0.86 + 686.57 * 3.50 * 0.14 + 549.55 * 4.05 * 0.29 + 597.70 * 3.75 * 1 + 401.87 * 4 * 1) / (2.80 * 0.86 + 3.50 * 0.14 + 4.05 * 0.29 + 3.75 * 1 + 4 * 1) = 594.4991642751003

p2 = (597.70 * 3.75 * 1 + 913.04 * 2.80 * 0.86 + 401.87 * 4 * 1 + 549.55 * 4.05 * 0.29) / max_coefficients = 489.07697109023684

score = 594.4991642751003 * 0.5 + 489.07697109023684 * 0.5 = 541.7880676826685

Rating changes

Show

all results
Date Place Points Reason
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
2023-12-19 27 538.12 -> 543.43

Agari team tournament: 14% -> 0%
2023-12-18 25 -> 27 555.71 -> 538.12

Meeting in the billiard room: 100% -> 86%
2023-12-12 26 -> 25 565.95 -> 555.71

Moscow Riichi 2022: 57% -> 43%
2023-11-28 26 571.17 -> 565.95

Saint Petersburg Open 2021: 14% -> 0%
2023-11-26 22 -> 26 573.07 -> 571.17
2023-11-20 22 574.43 -> 573.07

Tenpai can't buy happiness: 43% -> 29%
2023-11-06 24 -> 22 562.21 -> 574.43

Kirov Tournament: 14% -> 0%

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
3 913 2022-12-18 3/24 86% 2.80 CRR Meeting in the billiard room
4 550 2022-06-12 51/112 29% 4.05 RR Moscow Riichi 2022
5 687 2022-03-20 22/68 14% 3.50 RR Tenpai can't buy happiness
6 277 2021-12-19 35/48 0% 3.10 RR Agari team tournament
7 907 2021-11-28 8/76 0% 3.45 RR Saint Petersburg Open 2021
8 527 2021-11-06 27/56 0% 3.30 RR Kirov Tournament
9 1000 2020-03-08 1/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai
10 158 2020-02-02 17/20 0% 2.40 CRR double-burning-2020
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