Barabanov Alexandr

From Krasnogorsk, Russia

EMA: 15990380

Player page

Internal rating (RR)

Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).

45 place (449.94).

max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645

p1 = (742.86 * 3.20 * 0.43 + 918.92 * 4.05 * 0.86 + 0 + 0 + 0) / (3.20 * 0.43 + 4.05 * 0.86 + 1 + 1 + 1) = 536.6263854311771

p2 = (918.92 * 4.05 * 0.86 + 742.86 * 3.20 * 0.43) / max_coefficients = 363.26333147615003

score = 536.6263854311771 * 0.5 + 363.26333147615003 * 0.5 = 449.9448584536636

Rating changes

Show

all results
Date Place Points Reason
2021-02-01 39 -> 45 596.07 -> 449.94
2020-02-01 39 596.07

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 919 2019-12-15 10/112 86% 4.05 EMA VIII Russian Riichi Championship
2 743 2019-07-21 10/36 43% 3.20 RR Moscow Open Riichi Marathon 2019
3 830 2019-01-13 9/48 0% 3.10 RR Agari team tournament 2019
4 95 2018-12-16 58/64 0% 3.45 EMA White Dragon Tournament
5 296 2018-07-15 20/28 0% 3.00 RR Moscow Open Riichi Marathon
6 800 2017-10-07 4/16 0% 1.40 RR Red Dragon tournament 2017
7 370 2017-09-24 18/28 0% 2.60 RR Moscow Riichi Half Marathon 2017