Korobeynikov Vladimir

Russian Champion 2019

From Moscow, Russia

EMA: 15990148

Player page

Internal rating (RR)

Rating date July 7, 2022 (latest changes June 30, 2022).

2 place (874.92).

max_coefficients = (4.05 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 1) = 15.05

p1 = (825.40 * 3.45 * 1 + 1000 * 4.05 * 1 + 935.48 * 2.70 * 1 + 945.95 * 4.05 * 1 + 0) / (3.45 * 1 + 4.05 * 1 + 2.70 * 1 + 4.05 * 1 + 1) = 869.1481967213115

p2 = (1000 * 4.05 * 1 + 945.95 * 4.05 * 1 + 825.40 * 3.45 * 1 + 935.48 * 2.70 * 1) / max_coefficients = 880.6983388704318

score = 869.1481967213115 * 0.5 + 880.6983388704318 * 0.5 = 874.9232677958717

Rating changes

Show

all results
Date Place Points Reason
2022-06-30 2 863.52 -> 874.92
2022-06-12 20 -> 2 703.49 -> 863.52

Moscow Riichi 2022: 0% -> 100%
2022-05-30 21 -> 20 703.49
2022-04-30 16 -> 21 741.47 -> 703.49

Moscow Riichi Open 2018: 14% -> 0%
2022-03-30 17 -> 16 741.47
2022-03-20 14 -> 17 742.57 -> 741.47
2022-02-28 16 -> 14 743.09 -> 742.57

Moscow Riichi Open 2018: 29% -> 14%
2022-01-30 17 -> 16 743.09
2021-12-30 16 -> 17 734.08 -> 743.09

Moscow Riichi Open 2018: 43% -> 29%
2021-11-30 17 -> 16 734.08

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 946 2022-06-12 7/112 100% 4.05 RR Moscow Riichi 2022
2 935 2020-01-26 3/32 100% 2.70 RR The last chance: back to 2019
3 1000 2019-12-15 1/112 100% 4.05 EMA VIII Russian Riichi Championship
4 825 2019-11-24 12/64 100% 3.45 EMA Saint Petersburg Open 2019
5 574 2018-08-19 21/48 0% 3.10 RR Moscow Riichi Open 2018
6 831 2017-12-11 15/84 0% 3.40 EMA VI Russian Riichi Championship 2017
7 889 2017-10-22 8/64 0% 3.45 EMA Moscow Riichi Open 2017
8 436 2017-03-11 23/40 0% 2.00 RR Moscow championship 2017 (JPML-A rules)
9 419 2015-03-08 26/44 0% 2.50 EMA Moscow Riichi Championship 2015
10 960 2014-02-15 4/76 0% 2.50 RR Moscow Riichi 2014
11 746 2013-12-08 19/72 0% 3.25 RR Russian Riichi Championship 2013
12 509 2013-05-19 28/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013