Kozlovskaya Yana
From Saint Petersburg, Russia
EMA: 15020050
Internal rating (RR)
Rating date Nov. 8, 2022 (latest changes Nov. 8, 2022).
14 place (602.69).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 1) = 15.2
p1 = (527.27 * 3.30 * 0.86 + 906.67 * 3.45 * 1 + 276.60 * 3.10 * 1 + 686.57 * 3.50 * 1 + 549.55 * 4.05 * 1) / (3.30 * 0.86 + 3.45 * 1 + 3.10 * 1 + 3.50 * 1 + 4.05 * 1) = 596.9525821354963
p2 = (906.67 * 3.45 * 1 + 686.57 * 3.50 * 1 + 549.55 * 4.05 * 1 + 527.27 * 3.30 * 0.86) / max_coefficients = 608.4223684210527
score = 596.9525821354963 * 0.5 + 608.4223684210527 * 0.5 = 602.6874752782745
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-11-06 | 9 -> 14 | 629.58 -> 602.69 |
Kirov Tournament: 100% -> 86% |
2022-10-14 | 8 -> 9 | 684.12 -> 629.58 | |
2021-02-01 | 21 -> 8 | 694.49 -> 684.12 | |
2020-02-01 | 21 | 694.49 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 550 |
|
51/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |
2 | 687 |
|
22/68 | 100% | 3.50 | RR | Tenpai can't buy happiness |
3 | 277 |
|
35/48 | 100% | 3.10 | RR | Agari team tournament |
4 | 907 |
|
8/76 | 100% | 3.45 | RR | Saint Petersburg Open 2021 |
5 | 527 |
|
27/56 | 86% | 3.30 | RR | Kirov Tournament |
6 | 1000 |
|
1/40 | 0% | 2.90 | EMA | Big open chiitoitsu in a small tenpai |
7 | 871 |
|
5/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
8 | 162 |
|
94/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
9 | 810 |
|
13/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 |
10 | 73 |
|
52/56 | 0% | 3.03 | EMA | Tri Nitro Tournament 2019 - 7th Detonation |
11 | 481 |
|
15/28 | 0% | 2.60 | RR | And yet the sinner collects tanyao |
12 | 630 |
|
11/28 | 0% | 2.30 | EMA | Riichi Open Bratislava 2019 |
13 | 143 |
|
31/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
14 | 872 |
|
6/40 | 0% | 2.90 | RR | Summer Cup 2019 |
15 | 964 |
|
4/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
16 | 826 |
|
5/24 | 0% | 2.50 | RR | Toi-Toi-man Tournament |
17 | 526 |
|
10/20 | 0% | 2.10 | RR | Fuyu Shanten 2019 |
18 | 604 |
|
37/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
19 | 481 |
|
15/28 | 0% | 3.00 | RR | Moscow Open Riichi Marathon |
20 | 42 |
|
69/72 | 0% | 3.55 | EMA | RCR Saint Petersburg South Cup 2018 |
21 | 380 |
|
45/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
22 | 222 |
|
22/28 | 0% | 1.70 | RR | Fuyu Shanten |
23 | 789 |
|
5/20 | 0% | 2.10 | EMA | Tyumen Riichi Open 2017 |
24 | 423 |
|
42/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
25 | 677 |
|
11/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 |
26 | 452 |
|
18/32 | 0% | 2.20 | RR | Second riichi mahjong tournament, Chelyabinsk 2017 |
27 | 1000 |
|
1/28 | 0% | 1.50 | RR | "Spring shanten" tournament, Perm 2017 |
28 | 714 |
|
11/36 | 0% | 2.50 | RR | Quick discard 2017 |
29 | 516 |
|
16/32 | 0% | 2.40 | RR | Siberia Cup 2016 |