Mamin Vladislav

From Saint Petersburg, Russia

EMA: 15990329

Player page

Internal rating (RR)

Rating date Feb. 9, 2026 (latest changes Feb. 9, 2026).

227 place (51.15).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (521.74 * 2.10 * 0.14 + 115.79 * 3.85 * 0.57 + 0 + 0 + 0) / (2.10 * 0.14 + 3.85 * 0.57 + 1 + 1 + 1) = 74.78027192826154

p2 = (115.79 * 3.85 * 0.57 + 521.74 * 2.10 * 0.14) / max_coefficients = 27.51103678929766

score = 74.78027192826154 * 0.5 + 27.51103678929766 * 0.5 = 51.1456543587796

Rating changes

Show

all results
Date Place Points Reason
2026-01-30 226 -> 227 67.93 -> 51.15

Seihoku spring tournament 2024: 29% -> 14%
2026-01-25 222 -> 226 67.93
2026-01-07 220 -> 222 67.93
2026-01-01 220 70.84 -> 67.93

SPB Riichi Open 2024: 71% -> 57%
2025-12-07 215 -> 220 70.84
2025-11-30 214 -> 215 85.60 -> 70.84

Seihoku spring tournament 2024: 43% -> 29%
2025-11-12 213 -> 214 85.60
2025-11-04 207 -> 213 86.80 -> 85.60
2025-11-01 207 88.82 -> 86.80

SPB Riichi Open 2024: 86% -> 71%
2025-10-13 207 87.92 -> 88.82

Tournaments

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