Korobeynikov Vladimir

Russian Champion 2019

From Moscow, Russia

EMA: 15990148

Player page

Internal rating (RR)

Rating date July 4, 2025 (latest changes July 3, 2025).

13 place (732.49).

max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266

p1 = (764.71 * 3.05 * 0.71 + 971.96 * 4.60 * 0.86 + 843.14 * 3.05 * 0.86 + 775.28 * 3.75 * 1 + 0) / (3.05 * 0.71 + 4.60 * 0.86 + 3.05 * 0.86 + 3.75 * 1 + 1) = 786.7387246828615

p2 = (971.96 * 4.60 * 0.86 + 775.28 * 3.75 * 1 + 843.14 * 3.05 * 0.86 + 764.71 * 3.05 * 0.71) / max_coefficients = 678.2420636899351

score = 786.7387246828615 * 0.5 + 678.2420636899351 * 0.5 = 732.4903941863984

Rating changes

Show

all results
Date Place Points Reason
2025-06-15 8 -> 13 742.54 -> 732.49
2025-06-09 7 -> 8 755.51 -> 742.54

Agari Summer Tournament 2024: 100% -> 86%
2025-05-12 6 -> 7 764.82 -> 755.51

X Russian Championship: 100% -> 86%
2025-05-10 4 -> 6 774.86 -> 764.82

Agari Spring Tournament 2024: 86% -> 71%
2025-03-10 3 -> 4 784.94 -> 774.86

Agari Spring Tournament 2024: 100% -> 86%
2025-03-03 4 -> 3 784.94
2025-02-11 3 -> 4 784.94
2025-01-07 2 -> 3 784.94
2025-01-03 4 -> 2 784.94
2024-11-06 1 -> 4 807.99 -> 784.94

IX Russian Riichi Championship: 14% -> 0%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 775 2024-10-13 21/90 100% 3.75 RR Moscow Riichi 2024 Moscow
2 843 2024-06-09 9/52 86% 3.05 RR Agari Summer Tournament 2024 Moscow
3 972 2024-05-12 4/108 86% 4.60 RR X Russian Championship Perm
4 765 2024-03-10 13/52 71% 3.05 RR Agari Spring Tournament 2024 Moscow
5 627 2022-11-06 29/76 0% 4.20 RR IX Russian Riichi Championship Perm
6 946 2022-06-12 7/112 0% 4.05 RR Moscow Riichi 2022 Moscow
7 935 2020-01-26 3/32 0% 2.70 RR The last chance: back to 2019 Moscow
8 1000 2019-12-15 1/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
9 825 2019-11-24 12/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
10 574 2018-08-19 21/48 0% 3.10 RR Moscow Riichi Open 2018 Moscow
11 831 2017-12-11 15/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
12 889 2017-10-22 8/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
13 436 2017-03-11 23/40 0% 2.00 RR Moscow championship 2017 (JPML-A rules) Moscow
14 419 2015-03-08 26/44 0% 2.50 EMA Moscow Riichi Championship 2015 Moscow
15 960 2014-02-15 4/76 0% 2.50 RR Moscow Riichi 2014 Moscow
16 746 2013-12-08 19/72 0% 3.25 EMA Russian Riichi Championship 2013 Moscow
17 509 2013-05-19 28/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013 Moscow