Kozlovskaya Yana
From Saint Petersburg, Russia
EMA: 15020050
Internal rating (RR)
Rating date Nov. 3, 2024 (latest changes Nov. 3, 2024).
102 place (345.06).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (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) / (3.75 * 0.57 + 4 * 0.71 + 2.10 * 1 + 3.65 * 1 + 3.85 * 1) = 383.18555885465366
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 = 383.18555885465366 * 0.5 + 306.9413249211357 * 0.5 = 345.06344188789467
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-11-03 | 103 -> 102 | 352.66 -> 345.06 |
SPB Riichi Open 2023: 86% -> 71% |
2024-10-13 | 91 -> 103 | 355.98 -> 352.66 | |
2024-10-11 | 85 -> 91 | 369.95 -> 355.98 |
Money can not buy tenpai: 71% -> 57% |
2024-09-06 | 87 -> 85 | 369.95 | |
2024-09-03 | 86 -> 87 | 371.08 -> 369.95 |
SPB Riichi Open 2023: 100% -> 86% |
2024-09-01 | 71 -> 86 | 394.63 -> 371.08 |
SPB Riichi Open 2024: 0% -> 100% |
2024-08-11 | 70 -> 71 | 406.42 -> 394.63 |
Money can not buy tenpai: 86% -> 71% |
2024-08-04 | 81 -> 70 | 356.35 -> 406.42 |
Riichi over Volga: 0% -> 100% |
2024-07-14 | 75 -> 81 | 356.35 | |
2024-07-06 | 77 -> 75 | 356.35 |
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 | 550 |
|
51/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
7 | 687 |
|
22/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
8 | 277 |
|
35/48 | 0% | 3.10 | RR | Agari team tournament |
9 | 907 |
|
8/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
10 | 527 |
|
27/56 | 0% | 3.30 | RR | Kirov Tournament |
11 | 1000 |
|
1/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
12 | 871 |
|
5/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
13 | 162 |
|
94/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
14 | 810 |
|
13/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
15 | 73 |
|
52/56 | 0% | 3.03 | EMA | Tri Nitro Tournament 2019 - 7th Detonation |
16 | 481 |
|
15/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
17 | 630 |
|
11/28 | 0% | 2.30 | EMA | Riichi Open Bratislava 2019 |
18 | 143 |
|
31/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
19 | 872 |
|
6/40 | 0% | 2.90 | RR | Summer Cup 2019 |
20 | 964 |
|
4/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
21 | 826 |
|
5/24 | 0% | 2.50 | RR | Toi-Toi-man Tournament |
22 | 526 |
|
10/20 | 0% | 2.10 | RR | Fuyu Shanten 2019 |
23 | 604 |
|
37/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
24 | 481 |
|
15/28 | 0% | 3.00 | RR | Moscow Open Riichi Marathon |
25 | 42 |
|
69/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
26 | 380 |
|
45/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
27 | 222 |
|
22/28 | 0% | 1.70 | RR | Fuyu Shanten |
28 | 789 |
|
5/20 | 0% | 2.10 | EMA | Tyumen Riichi Open 2017 |
29 | 423 |
|
42/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
30 | 677 |
|
11/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 |
31 | 452 |
|
18/32 | 0% | 2.20 | RR | Second riichi mahjong tournament, Chelyabinsk 2017 |
32 | 1000 |
|
1/28 | 0% | 1.50 | RR | "Spring shanten" tournament, Perm 2017 |
33 | 714 |
|
11/36 | 0% | 2.50 | RR | Quick discard 2017 |
34 | 516 |
|
16/32 | 0% | 2.40 | RR | Siberia Cup 2016 |