Kozlovskaya Yana
From Saint Petersburg, Russia
EMA: 15020050
Common russian riichi rating (CRR)
Rating date March 20, 2024 (latest changes March 20, 2024).
41 place (495.33).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (913.04 * 2.80 * 0.71 + 549.55 * 4.05 * 0.29 + 597.70 * 3.75 * 1 + 401.87 * 4 * 1 + 0) / (2.80 * 0.71 + 4.05 * 0.29 + 3.75 * 1 + 4 * 1 + 1) = 530.0070336038297
p2 = (597.70 * 3.75 * 1 + 913.04 * 2.80 * 0.71 + 401.87 * 4 * 1 + 549.55 * 4.05 * 0.29) / max_coefficients = 460.6467153284671
score = 530.0070336038297 * 0.5 + 460.6467153284671 * 0.5 = 495.3268744661484
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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 | |
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% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 402 |
|
65/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 598 |
|
36/88 | 100% | 3.75 | RR | Money can not buy tenpai |
3 | 913 |
|
3/24 | 71% | 2.80 | CRR | Meeting in the billiard room |
4 | 550 |
|
51/112 | 29% | 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 | 158 |
|
17/20 | 0% | 2.40 | CRR | double-burning-2020 |
11 | 871 |
|
5/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
12 | 162 |
|
94/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
13 | 810 |
|
13/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
14 | 73 |
|
52/56 | 0% | 3.03 | EMA | Tri Nitro Tournament 2019 - 7th Detonation |
15 | 481 |
|
15/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
16 | 630 |
|
11/28 | 0% | 2.30 | EMA | Riichi Open Bratislava 2019 |
17 | 143 |
|
31/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
18 | 872 |
|
6/40 | 0% | 2.90 | RR | Summer Cup 2019 |
19 | 964 |
|
4/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
20 | 826 |
|
5/24 | 0% | 2.50 | RR | Toi-Toi-man Tournament |
21 | 526 |
|
10/20 | 0% | 2.10 | RR | Fuyu Shanten 2019 |
22 | 604 |
|
37/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
23 | 481 |
|
15/28 | 0% | 3.00 | RR | Moscow Open Riichi Marathon |
24 | 42 |
|
69/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
25 | 380 |
|
45/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
26 | 222 |
|
22/28 | 0% | 1.70 | RR | Fuyu Shanten |
27 | 789 |
|
5/20 | 0% | 2.10 | EMA | Tyumen Riichi Open 2017 |
28 | 423 |
|
42/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
29 | 677 |
|
11/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 |
30 | 452 |
|
18/32 | 0% | 2.20 | RR | Second riichi mahjong tournament, Chelyabinsk 2017 |
31 | 1000 |
|
1/28 | 0% | 1.50 | RR | "Spring shanten" tournament, Perm 2017 |
32 | 714 |
|
11/36 | 0% | 2.50 | RR | Quick discard 2017 |
33 | 516 |
|
16/32 | 0% | 2.40 | RR | Siberia Cup 2016 |