Kozlovskaya Yana

From Saint Petersburg, Russia

EMA: 15020050

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Internal rating (RR)

Rating date May 13, 2026 (latest changes May 12, 2026).

231 place (63.26).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (379.75 * 3.65 * 0.29 + 189.47 * 3.85 * 0.29 + 0 * 2.90 * 1 + 0 + 0) / (3.65 * 0.29 + 3.85 * 0.29 + 2.90 * 1 + 1 + 1) = 85.8201696780377

p2 = (379.75 * 3.65 * 0.29 + 189.47 * 3.85 * 0.29 + 0 * 2.90 * 1) / max_coefficients = 40.7010101010101

score = 85.8201696780377 * 0.5 + 40.7010101010101 * 0.5 = 63.2605898895239

Rating changes

Show

all results
Date Place Points Reason
2026-05-12 241 -> 231 63.26
2026-05-03 232 -> 241 78.98 -> 63.26

Sturgeon in tempai: 0% -> 100%
2026-05-01 233 -> 232 85.94 -> 78.98

SPB Riichi Open 2024: 43% -> 29%
2026-04-19 222 -> 233 85.94
2026-04-11 218 -> 222 85.94
2026-04-09 219 -> 218 85.94
2026-04-05 218 -> 219 85.94
2026-04-04 214 -> 218 103.28 -> 85.94

Riichi over Volga: 43% -> 29%
2026-03-30 212 -> 214 131.16 -> 103.28

Seihoku spring tournament 2024: 14% -> 0%
2026-03-12 213 -> 212 131.16

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 0 2026-05-03 43/43 100% 2.90 RR Sturgeon in tempai Saratov
2 189 2024-09-01 78/96 29% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
3 380 2024-08-04 50/80 29% 3.65 RR Riichi over Volga Samara
4 500 2024-03-30 24/47 0% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
5 402 2023-09-03 65/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
6 598 2023-06-11 36/88 0% 3.75 RR Money can not buy tenpai Perm
7 550 2022-06-12 51/112 0% 4.05 RR Moscow Riichi 2022 Moscow
8 682 2022-03-20 22/67 0% 3.45 RR Tenpai can't buy happiness Perm
9 277 2021-12-19 35/48 0% 3.10 RR Agari team tournament Moscow
10 907 2021-11-28 8/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
11 527 2021-11-06 27/56 0% 3.30 RR Kirov Tournament Kirov
12 1000 2020-03-08 🥇 1/40 0% 2.90 EMA Big open chiitoitsu in a small tenpai Kirov
13 871 2020-01-26 5/32 0% 2.70 RR The last chance: back to 2019 Moscow
14 162 2019-12-15 94/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
15 810 2019-11-24 13/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
16 73 2019-10-20 52/56 0% 3.03 EMA Tri Nitro Tournament 2019 - 7th Detonation Paris
17 481 2019-09-08 15/28 0% 2.60 RR And yet the sinner collects tanyao Kirov
18 630 2019-08-25 11/28 0% 2.30 EMA Riichi Open Bratislava 2019 Bratislava
19 143 2019-07-21 31/36 0% 3.20 RR Moscow Open Riichi Marathon 2019 Moscow
20 872 2019-06-02 6/40 0% 2.90 RR Summer Cup 2019 Saint Petersburg
21 964 2019-05-04 4/84 0% 4.20 EMA Haru Shanten 2019 Perm
22 826 2019-03-09 5/24 0% 2.50 RR Toi-Toi-man Tournament Kirov
23 526 2019-02-10 10/20 0% 2.10 RR Fuyu Shanten 2019 Perm
24 604 2018-11-18 37/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten" Perm
25 481 2018-07-15 15/28 0% 3.00 RR Moscow Open Riichi Marathon Moscow
26 42 2018-06-11 69/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
27 380 2018-05-01 45/72 0% 3.85 EMA Haru Shanten 2018 Perm
28 222 2018-02-17 22/28 0% 1.70 RR Fuyu Shanten Perm
29 789 2017-12-24 5/20 0% 2.10 EMA Tyumen Riichi Open 2017 Tyumen
30 423 2017-11-12 42/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten Perm
31 677 2017-06-03 11/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017 Perm
32 452 2017-04-16 18/32 0% 2.20 RR Second riichi mahjong tournament, Chelyabinsk 2017 Chelyabinsk
33 1000 2017-03-25 🥇 1/28 0% 1.50 RR "Spring shanten" tournament, Perm 2017 Perm
34 714 2017-01-05 11/36 0% 2.50 RR Quick discard 2017 Novosibirsk
35 516 2016-05-03 16/32 0% 2.40 RR Siberia Cup 2016 Novosibirsk