Barabanov Alexandr

From Krasnogorsk, Russia

EMA: 15990380

Player page

Internal rating (RR)

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

131 place (356.45).

max_coefficients = (3.85 * 1 + 3.80 * 1 + 3.55 * 1 + 3.45 * 1) = 14.649999999999999

p1 = (370.37 * 2.60 * 0.43 + 800 * 1.40 * 0.43 + 296.30 * 3 * 1 + 95.24 * 3.45 * 1 + 829.79 * 3.10 * 1) / (2.60 * 0.43 + 1.40 * 0.43 + 3 * 1 + 3.45 * 1 + 3.10 * 1) = 415.6954653598949

p2 = (829.79 * 3.10 * 1 + 296.30 * 3 * 1 + 800 * 1.40 * 0.43 + 370.37 * 2.60 * 0.43) / max_coefficients = 297.2006825938567

score = 415.6954653598949 * 0.5 + 297.2006825938567 * 0.5 = 356.4480739768758

Rating changes

Show

Date Place Points Reason
2019-04-07 127 -> 131 365.26 -> 356.45

Red Dragon tournament 2017: 57% -> 43%

2019-03-25 129 -> 127 365.26
2019-03-24 125 -> 129 369.13 -> 365.26

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

2019-03-21 126 -> 125 369.13
2019-03-17 124 -> 126 369.13
2019-03-12 126 -> 124 369.13
2019-03-08 125 -> 126 369.13
2019-03-05 127 -> 125 369.13
2019-03-04 128 -> 127 369.13
2019-02-22 129 -> 128 369.13

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
4 800 2017-10-07 4/16 43% 1.40 RR Red Dragon tournament 2017
5 370 2017-09-24 18/28 43% 2.60 RR Moscow Riichi Half Marathon 2017