Barabanov Alexandr

From Krasnogorsk, Russia

EMA: 15990380

Player page

Common russian riichi rating (CRR)

Rating date April 10, 2019 (latest changes April 10, 2019).

129 place (388.31).

max_coefficients = (3.85 * 1 + 3.80 * 1 + 3.55 * 1 + 3.50 * 1) = 14.7

p1 = (370.37 * 2.60 * 0.43 + 800 * 1.40 * 0.43 + 740.74 * 1.70 * 0.71 + 296.30 * 3 * 1 + 95.24 * 3.45 * 1 + 829.79 * 3.10 * 1) / (2.60 * 0.43 + 1.40 * 0.43 + 1.70 * 0.71 + 3 * 1 + 3.45 * 1 + 3.10 * 1) = 447.3258854480952

p2 = (829.79 * 3.10 * 1 + 740.74 * 1.70 * 0.71 + 296.30 * 3 * 1 + 800 * 1.40 * 0.43) / max_coefficients = 329.30272108843536

score = 447.3258854480952 * 0.5 + 329.30272108843536 * 0.5 = 388.3143032682653

Rating changes

Show

Date Place Points Reason
2019-04-07 125 -> 129 396.54 -> 388.31

Red Dragon tournament 2017: 57% -> 43%

2019-04-06 126 -> 125 396.54
2019-04-01 127 -> 126 396.54
2019-03-31 126 -> 127 396.54
2019-03-24 126 395.36 -> 396.54

Moscow Riichi Half Marathon 2017: 57% -> 43%

2019-03-20 121 -> 126 404.13 -> 395.36

Team tournament Agari. Season event: 86% -> 71%

2019-03-17 118 -> 121 404.13
2019-03-12 121 -> 118 404.13
2019-03-09 120 -> 121 404.13
2019-03-04 122 -> 120 404.13

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 830 2019-01-13 9/48 100% 3.10 RR Agari team tournament 2019
2 95 2018-12-16 58/64 100% 3.45 EMA White Dragon Tournament
3 296 2018-07-15 20/28 100% 3.00 RR Moscow Open Riichi Marathon
4 741 2018-01-20 8/28 71% 1.70 CRR Team tournament Agari. Season event
5 800 2017-10-07 4/16 43% 1.40 RR Red Dragon tournament 2017
6 370 2017-09-24 18/28 43% 2.60 RR Moscow Riichi Half Marathon 2017