Korobeynikov Vladimir

Russian Champion 2019

From Moscow, Russia

EMA: 15990148

Player page

Internal rating (RR)

Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).

4 place (705.18).

max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645

p1 = (825.40 * 3.45 * 0.71 + 1000 * 4.05 * 0.86 + 935.48 * 2.70 * 0.86 + 0 + 0) / (3.45 * 0.71 + 4.05 * 0.86 + 2.70 * 0.86 + 1 + 1) = 748.327765723295

p2 = (1000 * 4.05 * 0.86 + 935.48 * 2.70 * 0.86 + 825.40 * 3.45 * 0.71) / max_coefficients = 662.0416903849549

score = 748.327765723295 * 0.5 + 662.0416903849549 * 0.5 = 705.1847280541249

Rating changes

Show

Date Place Points Reason
2021-02-01 11 -> 4 738.19 -> 705.18
2020-02-01 11 738.19

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 935 2020-01-26 3/32 86% 2.70 RR The last chance: back to 2019
2 1000 2019-12-15 1/112 86% 4.05 EMA VIII Russian Riichi Championship
3 825 2019-11-24 12/64 71% 3.45 EMA Saint Petersburg Open 2019
4 574 2018-08-19 21/48 0% 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 EMA Russian Riichi Championship 2013
11 509 2013-05-19 28/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013