Korobeynikov Vladimir

Russian Champion 2019

From Moscow, Russia

EMA: 15990148

Player page

Internal rating (RR)

Rating date April 12, 2024 (latest changes April 12, 2024).

37 place (439.06).

max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 4.20 * 0.57) = 13.19988

p1 = (945.95 * 4.05 * 0.14 + 626.67 * 4.20 * 0.57 + 764.71 * 3.05 * 1 + 0 + 0) / (4.05 * 0.14 + 4.20 * 0.57 + 3.05 * 1 + 1 + 1) = 546.0125488486509

p2 = (764.71 * 3.05 * 1 + 626.67 * 4.20 * 0.57 + 945.95 * 4.05 * 0.14) / max_coefficients = 332.1037767010003

score = 546.0125488486509 * 0.5 + 332.1037767010003 * 0.5 = 439.05816277482563

Rating changes

Show

all results
Date Place Points Reason
2024-04-12 33 -> 37 473.22 -> 439.06

Moscow Riichi 2022: 29% -> 14%
2024-03-30 31 -> 33 473.22
2024-03-10 65 -> 31 313.05 -> 473.22

Agari Spring Tournament 2024: 0% -> 100%
2024-03-06 59 -> 65 332.71 -> 313.05

IX Russian Riichi Championship: 71% -> 57%
2024-02-12 51 -> 59 368.68 -> 332.71

Moscow Riichi 2022: 43% -> 29%
2024-01-20 52 -> 51 368.68
2024-01-06 51 -> 52 382.75 -> 368.68

IX Russian Riichi Championship: 86% -> 71%
2023-12-19 52 -> 51 382.75
2023-12-12 43 -> 52 411.98 -> 382.75

Moscow Riichi 2022: 57% -> 43%
2023-11-28 44 -> 43 411.98

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 765 2024-03-10 13/52 100% 3.05 RR Agari Spring Tournament 2024
2 627 2022-11-06 29/76 57% 4.20 RR IX Russian Riichi Championship
3 946 2022-06-12 7/112 14% 4.05 RR Moscow Riichi 2022
4 935 2020-01-26 3/32 0% 2.70 RR The last chance: back to 2019
5 1000 2019-12-15 1/112 0% 4.05 EMA VIII Russian Riichi Championship
6 825 2019-11-24 12/64 0% 3.45 EMA Saint Petersburg Open 2019
7 574 2018-08-19 21/48 0% 3.10 RR Moscow Riichi Open 2018
8 831 2017-12-11 15/84 0% 3.40 EMA VI Russian Riichi Championship 2017
9 889 2017-10-22 8/64 0% 3.45 EMA Moscow Riichi Open 2017
10 436 2017-03-11 23/40 0% 2.00 RR Moscow championship 2017 (JPML-A rules)
11 419 2015-03-08 26/44 0% 2.50 EMA Moscow Riichi Championship 2015
12 960 2014-02-15 4/76 0% 2.50 RR Moscow Riichi 2014
13 746 2013-12-08 19/72 0% 3.25 EMA Russian Riichi Championship 2013
14 509 2013-05-19 28/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013