Korobeynikov Vladimir

Russian Champion 2019

From Moscow, Russia

EMA: 15990148

Player page

Internal rating (RR)

Rating date Dec. 19, 2022 (latest changes Dec. 19, 2022).

32 place (506.98).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.86) = 14.706995

p1 = (945.95 * 4.05 * 1 + 626.67 * 4.20 * 1 + 0 + 0 + 0) / (4.05 * 1 + 4.20 * 1 + 1 + 1 + 1) = 574.496

p2 = (945.95 * 4.05 * 1 + 626.67 * 4.20 * 1) / max_coefficients = 439.4561907446083

score = 574.496 * 0.5 + 439.4561907446083 * 0.5 = 506.97609537230414

Rating changes

Show

all results
Date Place Points Reason
2022-12-19 32 504.86 -> 506.98
2022-11-28 33 -> 32 499.85 -> 504.86
2022-11-06 4 -> 33 705.18 -> 499.85

IX Russian Riichi Championship: 0% -> 100%
2021-02-01 11 -> 4 738.19 -> 705.18
2020-02-01 11 738.19

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 627 2022-11-06 29/76 100% 4.20 RR IX Russian Riichi Championship
2 946 2022-06-12 7/112 100% 4.05 RR Moscow Riichi 2022
3 935 2020-01-26 3/32 0% 2.70 RR The last chance: back to 2019
4 1000 2019-12-15 1/112 0% 4.05 EMA VIII Russian Riichi Championship
5 825 2019-11-24 12/64 0% 3.45 EMA Saint Petersburg Open 2019
6 574 2018-08-19 21/48 0% 3.10 RR Moscow Riichi Open 2018
7 831 2017-12-11 15/84 0% 3.40 EMA VI Russian Riichi Championship 2017
8 889 2017-10-22 8/64 0% 3.45 EMA Moscow Riichi Open 2017
9 436 2017-03-11 23/40 0% 2.00 RR Moscow championship 2017 (JPML-A rules)
10 419 2015-03-08 26/44 0% 2.50 EMA Moscow Riichi Championship 2015
11 960 2014-02-15 4/76 0% 2.50 RR Moscow Riichi 2014
12 746 2013-12-08 19/72 0% 3.25 EMA Russian Riichi Championship 2013
13 509 2013-05-19 28/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013