Kozlovskaya Yana
From Saint Petersburg, Russia
EMA: 15020050
Common russian riichi rating (CRR)
Rating date March 28, 2023 (latest changes March 28, 2023).
7 place (628.54).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985
p1 = (913.04 * 2.80 * 1 + 527.27 * 3.30 * 0.57 + 906.67 * 3.45 * 0.57 + 276.60 * 3.10 * 0.71 + 686.57 * 3.50 * 0.86 + 549.55 * 4.05 * 1) / (2.80 * 1 + 3.30 * 0.57 + 3.45 * 0.57 + 3.10 * 0.71 + 3.50 * 0.86 + 4.05 * 1) = 642.9097683393076
p2 = (913.04 * 2.80 * 1 + 549.55 * 4.05 * 1 + 686.57 * 3.50 * 0.86 + 906.67 * 3.45 * 0.57) / max_coefficients = 614.1802225646537
score = 642.9097683393076 * 0.5 + 614.1802225646537 * 0.5 = 628.5449954519806
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-03-28 | 6 -> 7 | 648.41 -> 628.54 |
Saint Petersburg Open 2021: 71% -> 57% |
2023-03-20 | 4 -> 6 | 649.64 -> 648.41 |
Tenpai can't buy happiness: 100% -> 86% |
2023-03-06 | 5 -> 4 | 647.95 -> 649.64 |
Kirov Tournament: 71% -> 57% |
2023-02-19 | 6 -> 5 | 643.33 -> 647.95 |
Agari team tournament: 86% -> 71% |
2023-01-28 | 5 -> 6 | 658.66 -> 643.33 |
Saint Petersburg Open 2021: 86% -> 71% |
2023-01-06 | 7 -> 5 | 657.16 -> 658.66 |
Kirov Tournament: 86% -> 71% |
2022-12-19 | 9 -> 7 | 649.71 -> 657.16 |
Agari team tournament: 100% -> 86% |
2022-12-18 | 16 -> 9 | 590.16 -> 649.71 |
Meeting in the billiard room: 0% -> 100% |
2022-11-28 | 14 -> 16 | 602.69 -> 590.16 |
Saint Petersburg Open 2021: 100% -> 86% |
2022-11-06 | 10 -> 14 | 629.58 -> 602.69 |
Kirov Tournament: 100% -> 86% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 913 |
|
3/24 | 100% | 2.80 | CRR | Meeting in the billiard room |
2 | 550 |
|
51/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |
3 | 687 |
|
22/68 | 86% | 3.50 | RR | Tenpai can't buy happiness |
4 | 277 |
|
35/48 | 71% | 3.10 | RR | Agari team tournament |
5 | 907 |
|
8/76 | 57% | 3.45 | RR | Saint Petersburg Open 2021 |
6 | 527 |
|
27/56 | 57% | 3.30 | RR | Kirov Tournament |
7 | 1000 |
|
1/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
8 | 158 |
|
17/20 | 0% | 2.40 | CRR | double-burning-2020 |
9 | 871 |
|
5/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
10 | 162 |
|
94/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
11 | 810 |
|
13/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
12 | 73 |
|
52/56 | 0% | 3.03 | EMA | Tri Nitro Tournament 2019 - 7th Detonation |
13 | 481 |
|
15/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
14 | 630 |
|
11/28 | 0% | 2.30 | EMA | Riichi Open Bratislava 2019 |
15 | 143 |
|
31/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
16 | 872 |
|
6/40 | 0% | 2.90 | RR | Summer Cup 2019 |
17 | 964 |
|
4/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
18 | 826 |
|
5/24 | 0% | 2.50 | RR | Toi-Toi-man Tournament |
19 | 526 |
|
10/20 | 0% | 2.10 | RR | Fuyu Shanten 2019 |
20 | 604 |
|
37/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
21 | 481 |
|
15/28 | 0% | 3.00 | RR | Moscow Open Riichi Marathon |
22 | 42 |
|
69/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
23 | 380 |
|
45/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
24 | 222 |
|
22/28 | 0% | 1.70 | RR | Fuyu Shanten |
25 | 789 |
|
5/20 | 0% | 2.10 | EMA | Tyumen Riichi Open 2017 |
26 | 423 |
|
42/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
27 | 677 |
|
11/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 |
28 | 452 |
|
18/32 | 0% | 2.20 | RR | Second riichi mahjong tournament, Chelyabinsk 2017 |
29 | 1000 |
|
1/28 | 0% | 1.50 | RR | "Spring shanten" tournament, Perm 2017 |
30 | 714 |
|
11/36 | 0% | 2.50 | RR | Quick discard 2017 |
31 | 516 |
|
16/32 | 0% | 2.40 | RR | Siberia Cup 2016 |