Korobeynikov Vladimir

Russian Champion 2019

From Moscow, Russia

EMA: 15990148

Player page

Internal rating (RR)

Rating date April 25, 2019 (latest changes April 25, 2019).

91 place (437.14).

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

p1 = (888.89 * 3.45 * 0.43 + 831.33 * 3.40 * 0.57 + 574.47 * 3.10 * 1 + 0 + 0) / (3.45 * 0.43 + 3.40 * 0.57 + 3.10 * 1 + 1 + 1) = 552.7581638293102

p2 = (574.47 * 3.10 * 1 + 831.33 * 3.40 * 0.57 + 888.89 * 3.45 * 0.43) / max_coefficients = 321.5215017064847

score = 552.7581638293102 * 0.5 + 321.5215017064847 * 0.5 = 437.1398327678975

Rating changes

Show

Date Place Points Reason
2019-04-22 88 -> 91 461.27 -> 437.14

Moscow Riichi Open 2017: 57% -> 43%

2019-04-11 80 -> 88 481.71 -> 461.27

VI Russian Riichi Championship 2017: 71% -> 57%

2019-03-25 81 -> 80 481.71
2019-03-17 80 -> 81 481.71
2019-03-12 81 -> 80 481.71
2019-03-11 68 -> 81 516.81 -> 481.71

Moscow championship 2017 (JPML-A rules): 14% -> 0%

2019-03-09 67 -> 68 516.81
2019-03-04 68 -> 67 516.81
2019-02-22 64 -> 68 538.21 -> 516.81

Moscow Riichi Open 2017: 71% -> 57%

2019-02-17 65 -> 64 538.21

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 574 2018-08-19 21/48 100% 3.10 RR Moscow Riichi Open 2018
2 831 2017-12-11 15/84 57% 3.40 EMA VI Russian Riichi Championship 2017
3 889 2017-10-22 8/64 43% 3.45 EMA Moscow Riichi Open 2017
4 436 2017-03-11 23/40 0% 2.00 RR Moscow championship 2017 (JPML-A rules)
5 419 2015-03-08 26/44 0% 2.50 EMA Moscow Riichi Championship 2015
6 960 2014-02-15 4/76 0% 2.50 RR Moscow Riichi 2014
7 746 2013-12-08 19/72 0% 3.25 RR Russian Riichi Championship 2013
8 509 2013-05-19 28/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013