Mamin Vladislav

From Saint Petersburg, Russia

EMA: 15990329

Player page

Common russian riichi rating (CRR)

Rating date Aug. 9, 2025 (latest changes Aug. 9, 2025).

198 place (241.38).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2

p1 = (521.74 * 2.10 * 0.57 + 115.79 * 3.85 * 1 + 833.33 * 2 * 1 + 0 + 0) / (2.10 * 0.57 + 3.85 * 1 + 2 * 1 + 1 + 1) = 302.6009012214446

p2 = (833.33 * 2 * 1 + 521.74 * 2.10 * 0.57 + 115.79 * 3.85 * 1) / max_coefficients = 180.1657894736842

score = 302.6009012214446 * 0.5 + 180.1657894736842 * 0.5 = 241.3833453475644

Rating changes

Show

all results
Date Place Points Reason
2025-08-09 199 -> 198 241.38
2025-08-04 200 -> 199 240.50 -> 241.38
2025-08-03 194 -> 200 240.50
2025-07-30 191 -> 194 249.12 -> 240.50

Seihoku spring tournament 2024: 71% -> 57%
2025-07-26 189 -> 191 249.12
2025-07-14 190 -> 189 249.12
2025-07-13 188 -> 190 249.12
2025-07-12 189 -> 188 247.35 -> 249.12
2025-07-03 193 -> 189 247.35
2025-06-15 184 -> 193 250.10 -> 247.35

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 833 2025-06-14 4/19 100% 2.00 CRR Tonpu-master Saint Petersburg
2 116 2024-09-01 85/96 100% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
3 522 2024-03-30 23/47 57% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
4 333 2022-08-27 27/40 0% 1.80 CRR Sun tournament Saint Petersburg
5 744 2019-06-02 11/40 0% 2.90 RR Summer Cup 2019 Saint Petersburg
6 903 2018-03-04 4/32 0% 2.70 RR East Cup 2018 Saint Petersburg
7 841 2017-10-22 11/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
8 641 2017-10-01 15/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017 Saint Petersburg
9 400 2017-07-09 22/36 0% 3.20 RR Moscow Open Riichi Marathon 2017 Moscow
10 581 2016-10-16 14/32 0% 1.60 RR Tournament of 4 winds. West cup 2016 Saint Petersburg
11 290 2016-03-27 23/32 0% 1.60 RR Tournament of 4 winds. East cup 2016 Saint Petersburg
12 556 2016-03-13 45/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016 Moscow
13 667 2015-12-06 6/16 0% 2.00 RR Two-day tournament of Saint Petersburg riichi mahjong league Saint Petersburg