Korobeynikov Vladimir

Russian Champion 2019

From Moscow, Russia

EMA: 15990148

Player page

Internal rating (RR)

Rating date Sept. 3, 2023 (latest changes Sept. 3, 2023).

43 place (446.80).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (945.95 * 4.05 * 0.71 + 626.67 * 4.20 * 1 + 0 + 0 + 0) / (4.05 * 0.71 + 4.20 * 1 + 1 + 1 + 1) = 531.911742048754

p2 = (945.95 * 4.05 * 0.71 + 626.67 * 4.20 * 1) / max_coefficients = 361.6904091952288

score = 531.911742048754 * 0.5 + 361.6904091952288 * 0.5 = 446.80107562199146

Rating changes

Show

all results
Date Place Points Reason
2023-09-03 31 -> 43 474.97 -> 446.80
2023-08-19 32 -> 31 474.97
2023-08-12 27 -> 32 497.56 -> 474.97

Moscow Riichi 2022: 86% -> 71%
2023-07-20 28 -> 27 489.64 -> 497.56
2023-07-06 29 -> 28 489.64
2023-06-12 26 -> 29 510.11 -> 489.64

Moscow Riichi 2022: 100% -> 86%
2023-06-11 20 -> 26 545.33 -> 510.11
2023-05-28 21 -> 20 541.27 -> 545.33
2023-05-20 23 -> 21 531.67 -> 541.27
2023-05-06 25 -> 23 531.67

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 71% 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