Mamin Vladislav

From Saint Petersburg, Russia

EMA: 15990329

Player page

Common russian riichi rating (CRR)

Rating date March 31, 2025 (latest changes March 30, 2025).

229 place (123.74).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (521.74 * 2.10 * 0.86 + 115.79 * 3.85 * 1 + 0 + 0 + 0) / (2.10 * 0.86 + 3.85 * 1 + 1 + 1 + 1) = 160.10224383837522

p2 = (521.74 * 2.10 * 0.86 + 115.79 * 3.85 * 1) / max_coefficients = 87.37350157728707

score = 160.10224383837522 * 0.5 + 87.37350157728707 * 0.5 = 123.73787270783114

Rating changes

Show

all results
Date Place Points Reason
2025-03-30 226 -> 229 134.74 -> 123.74

Seihoku spring tournament 2024: 100% -> 86%
2025-03-29 222 -> 226 134.74
2025-03-26 223 -> 222 134.74
2025-03-23 211 -> 223 134.74
2025-03-02 210 -> 211 134.74
2025-02-25 211 -> 210 134.74
2025-02-22 213 -> 211 134.74
2025-02-16 206 -> 213 134.74
2025-02-02 201 -> 206 134.74
2025-01-26 192 -> 201 134.74

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 116 2024-09-01 85/96 100% 3.85 RR SPB Riichi Open 2024
2 522 2024-03-30 23/47 86% 2.10 RR Seihoku spring tournament 2024
3 333 2022-08-27 27/40 0% 1.80 CRR Sun tournament
4 744 2019-06-02 11/40 0% 2.90 RR Summer Cup 2019
5 903 2018-03-04 4/32 0% 2.70 RR East Cup 2018
6 841 2017-10-22 11/64 0% 3.45 EMA Moscow Riichi Open 2017
7 641 2017-10-01 15/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017
8 400 2017-07-09 22/36 0% 3.20 RR Moscow Open Riichi Marathon 2017
9 581 2016-10-16 14/32 0% 1.60 RR Tournament of 4 winds. West cup 2016
10 290 2016-03-27 23/32 0% 1.60 RR Tournament of 4 winds. East cup 2016
11 556 2016-03-13 45/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
12 667 2015-12-06 6/16 0% 2.00 RR Two-day tournament of Saint Petersburg riichi mahjong league