Korobeynikov Vladimir

Russian Champion 2019

From Moscow, Russia

EMA: 15990148

Player page

Internal rating (RR)

Rating date May 16, 2026 (latest changes May 14, 2026).

62 place (499.65).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (843.14 * 3.05 * 0.14 + 775.28 * 3.75 * 0.43 + 912.28 * 3.90 * 1 + 0 + 0) / (3.05 * 0.14 + 3.75 * 0.43 + 3.90 * 1 + 1 + 1) = 651.0610788363981

p2 = (912.28 * 3.90 * 1 + 775.28 * 3.75 * 0.43 + 843.14 * 3.05 * 0.14) / max_coefficients = 348.2451178451179

score = 651.0610788363981 * 0.5 + 348.2451178451179 * 0.5 = 499.653098340758

Rating changes

Show

all results
Date Place Points Reason
2026-05-12 50 -> 62 577.87 -> 499.65

X Russian Championship: 14% -> 0%
2026-05-03 47 -> 50 576.56 -> 577.87
2026-05-01 48 -> 47 576.56
2026-04-13 47 -> 48 590.80 -> 576.56

Moscow Riichi 2024: 57% -> 43%
2026-04-11 44 -> 47 590.80
2026-04-09 40 -> 44 605.07 -> 590.80

Agari Summer Tournament 2024: 29% -> 14%
2026-04-05 37 -> 40 605.07
2026-04-02 38 -> 37 605.07
2026-03-30 39 -> 38 605.07
2026-03-26 40 -> 39 605.07

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 912 2025-11-04 6/58 100% 3.90 RR XI Russian Championship Moscow
2 775 2024-10-13 21/90 43% 3.75 RR Moscow Riichi 2024 Moscow
3 843 2024-06-09 9/52 14% 3.05 RR Agari Summer Tournament 2024 Moscow
4 972 2024-05-12 4/108 0% 4.60 RR X Russian Championship Perm
5 765 2024-03-10 13/52 0% 3.05 RR Agari Spring Tournament 2024 Moscow
6 627 2022-11-06 29/76 0% 4.20 RR IX Russian Riichi Championship Perm
7 946 2022-06-12 7/112 0% 4.05 RR Moscow Riichi 2022 Moscow
8 935 2020-01-26 🥉 3/32 0% 2.70 RR The last chance: back to 2019 Moscow
9 1000 2019-12-15 🥇 1/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
10 825 2019-11-24 12/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
11 574 2018-08-19 21/48 0% 3.10 RR Moscow Riichi Open 2018 Moscow
12 831 2017-12-11 15/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
13 889 2017-10-22 8/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
14 436 2017-03-11 23/40 0% 2.00 RR Moscow championship 2017 (JPML-A rules) Moscow
15 419 2015-03-08 26/44 0% 2.50 EMA Moscow Riichi Championship 2015 Moscow
16 960 2014-02-15 4/76 0% 2.50 RR Moscow Riichi 2014 Moscow
17 746 2013-12-08 19/72 0% 3.25 EMA Russian Riichi Championship 2013 Moscow
18 509 2013-05-19 28/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013 Moscow