Kozlovskaya Yana
From Saint Petersburg, Russia
EMA: 15020050
Internal rating (RR)
Rating date June 11, 2024 (latest changes June 11, 2024).
77 place (356.35).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001
p1 = (597.70 * 3.75 * 0.86 + 401.87 * 4 * 1 + 500 * 2.10 * 1 + 0 + 0) / (3.75 * 0.86 + 4 * 1 + 2.10 * 1 + 1 + 1) = 404.6773391667495
p2 = (597.70 * 3.75 * 0.86 + 401.87 * 4 * 1 + 500 * 2.10 * 1) / max_coefficients = 308.0282223137924
score = 404.6773391667495 * 0.5 + 308.0282223137924 * 0.5 = 356.352780740271
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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% |
2024-03-20 | 49 -> 53 | 414.85 -> 375.47 |
Tenpai can't buy happiness: 14% -> 0% |
2024-03-10 | 38 -> 49 | 445.46 -> 414.85 | |
2024-03-06 | 41 -> 38 | 434.70 -> 445.46 | |
2024-02-12 | 38 -> 41 | 440.29 -> 434.70 |
Moscow Riichi 2022: 43% -> 29% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 500 |
|
24/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
2 | 402 |
|
65/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
3 | 598 |
|
36/88 | 86% | 3.75 | RR | Money can not buy tenpai |
4 | 550 |
|
51/112 | 14% | 4.05 | RR | Moscow Riichi 2022 |
5 | 687 |
|
22/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
6 | 277 |
|
35/48 | 0% | 3.10 | RR | Agari team tournament |
7 | 907 |
|
8/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
8 | 527 |
|
27/56 | 0% | 3.30 | RR | Kirov Tournament |
9 | 1000 |
|
1/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
10 | 871 |
|
5/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
11 | 162 |
|
94/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
12 | 810 |
|
13/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
13 | 73 |
|
52/56 | 0% | 3.03 | EMA | Tri Nitro Tournament 2019 - 7th Detonation |
14 | 481 |
|
15/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
15 | 630 |
|
11/28 | 0% | 2.30 | EMA | Riichi Open Bratislava 2019 |
16 | 143 |
|
31/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
17 | 872 |
|
6/40 | 0% | 2.90 | RR | Summer Cup 2019 |
18 | 964 |
|
4/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
19 | 826 |
|
5/24 | 0% | 2.50 | RR | Toi-Toi-man Tournament |
20 | 526 |
|
10/20 | 0% | 2.10 | RR | Fuyu Shanten 2019 |
21 | 604 |
|
37/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
22 | 481 |
|
15/28 | 0% | 3.00 | RR | Moscow Open Riichi Marathon |
23 | 42 |
|
69/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
24 | 380 |
|
45/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
25 | 222 |
|
22/28 | 0% | 1.70 | RR | Fuyu Shanten |
26 | 789 |
|
5/20 | 0% | 2.10 | EMA | Tyumen Riichi Open 2017 |
27 | 423 |
|
42/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
28 | 677 |
|
11/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 |
29 | 452 |
|
18/32 | 0% | 2.20 | RR | Second riichi mahjong tournament, Chelyabinsk 2017 |
30 | 1000 |
|
1/28 | 0% | 1.50 | RR | "Spring shanten" tournament, Perm 2017 |
31 | 714 |
|
11/36 | 0% | 2.50 | RR | Quick discard 2017 |
32 | 516 |
|
16/32 | 0% | 2.40 | RR | Siberia Cup 2016 |