Korobeynikov Vladimir

Russian Champion 2019

From Moscow, Russia

EMA: 15990148

Player page

Internal rating (RR)

Rating date March 6, 2024 (latest changes March 6, 2024).

65 place (313.05).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.57 + 4.05 * 0.29) = 11.306965

p1 = (945.95 * 4.05 * 0.29 + 626.67 * 4.20 * 0.57 + 0 + 0 + 0) / (4.05 * 0.29 + 4.20 * 0.57 + 1 + 1 + 1) = 396.2900518761348

p2 = (626.67 * 4.20 * 0.57 + 945.95 * 4.05 * 0.29) / max_coefficients = 229.81056366584667

score = 396.2900518761348 * 0.5 + 229.81056366584667 * 0.5 = 313.05030777099074

Rating changes

Show

all results
Date Place Points Reason
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%
2023-12-09 4 -> 43 705.18 -> 411.98
2021-02-01 11 -> 4 738.19 -> 705.18
2020-02-01 11 738.19

Tournaments

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