Mamin Vladislav

From Saint Petersburg, Russia

EMA: 15990329

Player page

Common russian riichi rating (CRR)

Rating date Aug. 31, 2026 (latest changes Aug. 31, 2026).

297 place (166.65).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (115.79 * 3.85 * 0.14 + 833.33 * 2 * 0.71 + 0 + 0 + 0) / (3.85 * 0.14 + 2 * 0.71 + 1 + 1 + 1) = 251.9098611804333

p2 = (833.33 * 2 * 0.71 + 115.79 * 3.85 * 0.14) / max_coefficients = 81.38870863075925

score = 251.9098611804333 * 0.5 + 81.38870863075925 * 0.5 = 166.6492849055963

Rating changes

Show

all results
Date Place Points Reason
2026-08-31 297 166.52 -> 166.65
2026-08-16 294 -> 297 166.52
2026-08-15 294 166.22 -> 166.52
2026-08-14 281 -> 294 189.63 -> 166.22

Tonpu-master: 86% -> 71%
2026-08-04 286 -> 281 189.63
2026-08-03 287 -> 286 189.63
2026-08-02 281 -> 287 189.63
2026-07-26 283 -> 281 189.63
2026-07-25 281 -> 283 189.63
2026-07-23 283 -> 281 189.63

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 833 2025-06-14 4/19 71% 2.00 CRR Tonpu-master Saint Petersburg
2 116 2024-09-01 85/96 14% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
3 522 2024-03-30 23/47 0% 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