Korobeynikov Vladimir

Russian Champion 2019

From Moscow, Russia

EMA: 15990148

Player page

Internal rating (RR)

Rating date May 6, 2023 (latest changes May 6, 2023).

23 place (531.67).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 3.45 * 0.57) = 13.22118

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 = 488.8429020707683

score = 574.496 * 0.5 + 488.8429020707683 * 0.5 = 531.6694510353841

Rating changes

Show

all results
Date Place Points Reason
2023-05-06 25 -> 23 531.67
2023-04-19 25 527.26 -> 531.67
2023-03-28 26 -> 25 522.88 -> 527.26
2023-03-20 27 -> 26 514.59 -> 522.88
2023-03-06 30 -> 27 514.59
2023-02-19 31 -> 30 511.55 -> 514.59
2023-01-28 30 -> 31 506.98 -> 511.55
2023-01-06 31 -> 30 506.98
2022-12-19 31 504.86 -> 506.98
2022-11-28 32 -> 31 499.85 -> 504.86

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