Korobeynikov Vladimir

Russian Champion 2019

From Moscow, Russia

EMA: 15990148

Player page

Internal rating (RR)

Rating date Jan. 18, 2022 (latest changes Dec. 30, 2021).

17 place (743.09).

max_coefficients = (4.05 * 1 + 3.85 * 1 + 4.20 * 0.86 + 3.45 * 1) = 14.949819999999999

p1 = (574.47 * 3.10 * 0.29 + 825.40 * 3.45 * 1 + 1000 * 4.05 * 1 + 935.48 * 2.70 * 1 + 0) / (3.10 * 0.29 + 3.45 * 1 + 4.05 * 1 + 2.70 * 1 + 1) = 821.8179050065077

p2 = (1000 * 4.05 * 1 + 825.40 * 3.45 * 1 + 935.48 * 2.70 * 1 + 574.47 * 3.10 * 0.29) / max_coefficients = 664.3705409162118

score = 821.8179050065077 * 0.5 + 664.3705409162118 * 0.5 = 743.0942229613597

Rating changes

Show

all results
Date Place Points Reason
2021-12-30 16 -> 17 734.08 -> 743.09

Moscow Riichi Open 2018: 43% -> 29%
2021-11-30 17 -> 16 734.08
2021-11-28 14 -> 17 734.08
2021-11-06 12 -> 14 734.08
2021-10-30 10 -> 12 489.47 -> 734.08

Moscow Riichi Open 2018: 0% -> 43%

VIII Russian Riichi Championship: 14% -> 100%

Saint Petersburg Open 2019: 14% -> 100%

The last chance: back to 2019: 29% -> 100%
2021-10-20 15 -> 10 489.47
2021-10-15 13 -> 15 552.58 -> 489.47

VIII Russian Riichi Championship: 29% -> 14%
2021-09-26 7 -> 13 585.06 -> 552.58

The last chance: back to 2019: 43% -> 29%
2021-09-24 6 -> 7 624.08 -> 585.06

Saint Petersburg Open 2019: 29% -> 14%
2021-09-08 11 -> 6 596.01 -> 624.08

Tournaments

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