Korobeynikov Vladimir

Russian Champion 2019

From Moscow, Russia

EMA: 15990148

Player page

Common russian riichi rating (CRR)

Rating date Aug. 9, 2025 (latest changes Aug. 9, 2025).

33 place (650.74).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2

p1 = (764.71 * 3.05 * 0.57 + 971.96 * 4.60 * 0.71 + 843.14 * 3.05 * 0.71 + 775.28 * 3.75 * 1 + 86.96 * 2.80 * 1) / (3.05 * 0.57 + 4.60 * 0.71 + 3.05 * 0.71 + 3.75 * 1 + 2.80 * 1) = 691.5683572887292

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 = 609.9039473684211

score = 691.5683572887292 * 0.5 + 609.9039473684211 * 0.5 = 650.7361523285751

Rating changes

Show

all results
Date Place Points Reason
2025-08-09 31 -> 33 665.14 -> 650.74

Agari Summer Tournament 2024: 86% -> 71%
2025-08-04 34 -> 31 662.04 -> 665.14
2025-08-03 29 -> 34 662.04
2025-07-30 28 -> 29 662.04
2025-07-13 29 -> 28 662.04
2025-07-12 24 -> 29 682.68 -> 662.04

X Russian Championship: 86% -> 71%
2025-07-10 22 -> 24 694.13 -> 682.68

Agari Spring Tournament 2024: 71% -> 57%
2025-07-03 21 -> 22 694.13
2025-06-15 17 -> 21 704.18 -> 694.13
2025-06-09 15 -> 17 718.12 -> 704.18

Agari Summer Tournament 2024: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 87 2024-12-01 22/24 100% 2.80 CRR Riichi never changing Moscow
2 775 2024-10-13 21/90 100% 3.75 RR Moscow Riichi 2024 Moscow
3 843 2024-06-09 9/52 71% 3.05 RR Agari Summer Tournament 2024 Moscow
4 972 2024-05-12 4/108 71% 4.60 RR X Russian Championship Perm
5 765 2024-03-10 13/52 57% 3.05 RR Agari Spring Tournament 2024 Moscow
6 435 2022-12-18 14/24 0% 2.80 CRR Meeting in the billiard room Moscow
7 627 2022-11-06 29/76 0% 4.20 RR IX Russian Riichi Championship Perm
8 946 2022-06-12 7/112 0% 4.05 RR Moscow Riichi 2022 Moscow
9 935 2020-01-26 🥉 3/32 0% 2.70 RR The last chance: back to 2019 Moscow
10 1000 2019-12-15 🥇 1/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
11 825 2019-11-24 12/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
12 574 2018-08-19 21/48 0% 3.10 RR Moscow Riichi Open 2018 Moscow
13 963 2018-05-20 🥈 2/28 0% 3.50 CRR A-League Moscow
14 831 2017-12-11 15/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
15 889 2017-10-22 8/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
16 436 2017-03-11 23/40 0% 2.00 RR Moscow championship 2017 (JPML-A rules) Moscow
17 419 2015-03-08 26/44 0% 2.50 EMA Moscow Riichi Championship 2015 Moscow
18 960 2014-02-15 4/76 0% 2.50 RR Moscow Riichi 2014 Moscow
19 746 2013-12-08 19/72 0% 3.25 EMA Russian Riichi Championship 2013 Moscow
20 509 2013-05-19 28/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013 Moscow