Kozlovskaya Yana
From Saint Petersburg, Russia
EMA: 15020050
Common russian riichi rating (CRR)
Rating date Dec. 3, 2024 (latest changes Dec. 1, 2024).
115 place (352.13).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (913.04 * 2.80 * 0.14 + 597.70 * 3.75 * 0.57 + 401.87 * 4 * 0.71 + 500 * 2.10 * 1 + 379.75 * 3.65 * 1 + 189.47 * 3.85 * 1) / (2.80 * 0.14 + 3.75 * 0.57 + 4 * 0.71 + 2.10 * 1 + 3.65 * 1 + 3.85 * 1) = 397.3194791757639
p2 = (379.75 * 3.65 * 1 + 597.70 * 3.75 * 0.57 + 401.87 * 4 * 0.71 + 500 * 2.10 * 1) / max_coefficients = 306.9413249211357
score = 397.3194791757639 * 0.5 + 306.9413249211357 * 0.5 = 352.1304020484498
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-12-01 | 114 -> 115 | 352.13 | |
2024-11-05 | 119 -> 114 | 352.13 | |
2024-11-03 | 119 | 359.46 -> 352.13 |
SPB Riichi Open 2023: 86% -> 71% |
2024-10-25 | 120 -> 119 | 359.46 | |
2024-10-18 | 118 -> 120 | 365.91 -> 359.46 |
Meeting in the billiard room: 29% -> 14% |
2024-10-13 | 108 -> 118 | 369.24 -> 365.91 | |
2024-10-11 | 103 -> 108 | 382.59 -> 369.24 |
Money can not buy tenpai: 71% -> 57% |
2024-09-15 | 101 -> 103 | 382.59 | |
2024-09-06 | 102 -> 101 | 382.59 | |
2024-09-03 | 101 -> 102 | 383.29 -> 382.59 |
SPB Riichi Open 2023: 100% -> 86% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 189 |
|
78/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
2 | 380 |
|
50/80 | 100% | 3.65 | RR | Riichi over Volga |
3 | 500 |
|
24/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
4 | 402 |
|
65/108 | 71% | 4.00 | RR | SPB Riichi Open 2023 |
5 | 598 |
|
36/88 | 57% | 3.75 | RR | Money can not buy tenpai |
6 | 913 |
|
3/24 | 14% | 2.80 | CRR | Meeting in the billiard room |
7 | 550 |
|
51/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
8 | 687 |
|
22/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
9 | 277 |
|
35/48 | 0% | 3.10 | RR | Agari team tournament |
10 | 907 |
|
8/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
11 | 527 |
|
27/56 | 0% | 3.30 | RR | Kirov Tournament |
12 | 1000 |
|
1/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
13 | 158 |
|
17/20 | 0% | 2.40 | CRR | double-burning-2020 |
14 | 871 |
|
5/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
15 | 162 |
|
94/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
16 | 810 |
|
13/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
17 | 73 |
|
52/56 | 0% | 3.03 | EMA | Tri Nitro Tournament 2019 - 7th Detonation |
18 | 481 |
|
15/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
19 | 630 |
|
11/28 | 0% | 2.30 | EMA | Riichi Open Bratislava 2019 |
20 | 143 |
|
31/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
21 | 872 |
|
6/40 | 0% | 2.90 | RR | Summer Cup 2019 |
22 | 964 |
|
4/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
23 | 826 |
|
5/24 | 0% | 2.50 | RR | Toi-Toi-man Tournament |
24 | 526 |
|
10/20 | 0% | 2.10 | RR | Fuyu Shanten 2019 |
25 | 604 |
|
37/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
26 | 481 |
|
15/28 | 0% | 3.00 | RR | Moscow Open Riichi Marathon |
27 | 42 |
|
69/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
28 | 380 |
|
45/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
29 | 222 |
|
22/28 | 0% | 1.70 | RR | Fuyu Shanten |
30 | 789 |
|
5/20 | 0% | 2.10 | EMA | Tyumen Riichi Open 2017 |
31 | 423 |
|
42/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
32 | 677 |
|
11/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 |
33 | 452 |
|
18/32 | 0% | 2.20 | RR | Second riichi mahjong tournament, Chelyabinsk 2017 |
34 | 1000 |
|
1/28 | 0% | 1.50 | RR | "Spring shanten" tournament, Perm 2017 |
35 | 714 |
|
11/36 | 0% | 2.50 | RR | Quick discard 2017 |
36 | 516 |
|
16/32 | 0% | 2.40 | RR | Siberia Cup 2016 |