Kozlovskaya Yana

From Saint Petersburg, Russia

EMA: 15020050

Player page

Internal rating (RR)

Rating date Sept. 6, 2023 (latest changes Sept. 6, 2023).

28 place (503.02).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (527.27 * 3.30 * 0.14 + 906.67 * 3.45 * 0.29 + 276.60 * 3.10 * 0.29 + 686.57 * 3.50 * 0.57 + 549.55 * 4.05 * 0.71 + 597.70 * 3.75 * 1 + 401.87 * 4 * 1) / (3.30 * 0.14 + 3.45 * 0.29 + 3.10 * 0.29 + 3.50 * 0.57 + 4.05 * 0.71 + 3.75 * 1 + 4 * 1) = 547.1221936616993

p2 = (597.70 * 3.75 * 1 + 401.87 * 4 * 1 + 549.55 * 4.05 * 0.71 + 686.57 * 3.50 * 0.57) / max_coefficients = 458.92131026823233

score = 547.1221936616993 * 0.5 + 458.92131026823233 * 0.5 = 503.0217519649658

Rating changes

Show

all results
Date Place Points Reason
2023-09-06 28 502.72 -> 503.02

Kirov Tournament: 29% -> 14%
2023-09-03 20 -> 28 535.91 -> 502.72

SPB Riichi Open 2023: 0% -> 100%
2023-08-19 21 -> 20 529.95 -> 535.91

Agari team tournament: 43% -> 29%
2023-08-12 21 530.74 -> 529.95

Moscow Riichi 2022: 86% -> 71%
2023-07-28 18 -> 21 553.53 -> 530.74

Saint Petersburg Open 2021: 43% -> 29%
2023-07-20 16 -> 18 558.37 -> 553.53

Tenpai can't buy happiness: 71% -> 57%
2023-07-06 18 -> 16 557.15 -> 558.37

Kirov Tournament: 43% -> 29%
2023-06-19 18 552.23 -> 557.15

Agari team tournament: 57% -> 43%
2023-06-12 19 -> 18 552.14 -> 552.23

Moscow Riichi 2022: 100% -> 86%
2023-06-11 22 -> 19 531.36 -> 552.14

Money can not buy tenpai: 0% -> 100%

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 71% 4.05 RR Moscow Riichi 2022
4 687 2022-03-20 22/68 57% 3.50 RR Tenpai can't buy happiness
5 277 2021-12-19 35/48 29% 3.10 RR Agari team tournament
6 907 2021-11-28 8/76 29% 3.45 RR Saint Petersburg Open 2021
7 527 2021-11-06 27/56 14% 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