Korobeynikov Vladimir

Russian Champion 2019

From Moscow, Russia

EMA: 15990148

Player page

Internal rating (RR)

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

21 place (700.85).

max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8

p1 = (764.71 * 3.05 * 0.57 + 971.96 * 4.60 * 0.71 + 843.14 * 3.05 * 0.71 + 775.28 * 3.75 * 1 + 0) / (3.05 * 0.57 + 4.60 * 0.71 + 3.05 * 0.71 + 3.75 * 1 + 1) = 775.3125427306558

p2 = (971.96 * 4.60 * 0.71 + 775.28 * 3.75 * 1 + 843.14 * 3.05 * 0.71 + 764.71 * 3.05 * 0.57) / max_coefficients = 626.3878378378379

score = 775.3125427306558 * 0.5 + 626.3878378378379 * 0.5 = 700.8501902842468

Rating changes

Show

all results
Date Place Points Reason
2025-09-01 22 -> 21 692.61 -> 700.85
2025-08-31 17 -> 22 692.61
2025-08-09 14 -> 17 705.88 -> 692.61

Agari Summer Tournament 2024: 86% -> 71%
2025-08-04 16 -> 14 702.78 -> 705.88
2025-08-03 14 -> 16 702.78
2025-07-14 15 -> 14 702.78
2025-07-12 13 -> 15 722.21 -> 702.78

X Russian Championship: 86% -> 71%
2025-07-10 13 732.49 -> 722.21

Agari Spring Tournament 2024: 71% -> 57%
2025-06-15 8 -> 13 742.54 -> 732.49
2025-06-09 7 -> 8 755.51 -> 742.54

Agari Summer Tournament 2024: 100% -> 86%

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 71% 3.05 RR Agari Summer Tournament 2024 Moscow
3 972 2024-05-12 4/108 71% 4.60 RR X Russian Championship Perm
4 765 2024-03-10 13/52 57% 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