Korobeynikov Vladimir

Russian Champion 2019

From Moscow, Russia

EMA: 15990148

Player page

Internal rating (RR)

Rating date Aug. 11, 2024 (latest changes Aug. 11, 2024).

7 place (723.46).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.05 * 1) = 15.3

p1 = (626.67 * 4.20 * 0.29 + 971.96 * 4.60 * 1 + 843.14 * 3.05 * 1 + 764.71 * 3.05 * 1 + 0) / (4.20 * 0.29 + 4.60 * 1 + 3.05 * 1 + 3.05 * 1 + 1) = 785.0354342733376

p2 = (971.96 * 4.60 * 1 + 843.14 * 3.05 * 1 + 764.71 * 3.05 * 1 + 626.67 * 4.20 * 0.29) / max_coefficients = 661.8895424836601

score = 785.0354342733376 * 0.5 + 661.8895424836601 * 0.5 = 723.4624883784988

Rating changes

Show

Date Place Points Reason
2024-08-11 8 -> 7 719.95 -> 723.46
2024-08-04 6 -> 8 733.17 -> 719.95
2024-07-14 3 -> 6 733.17
2024-07-06 3 742.30 -> 733.17

IX Russian Riichi Championship: 43% -> 29%

2024-06-11 3 763.46 -> 742.30
2024-06-09 11 -> 3 659.69 -> 763.46

Agari Summer Tournament 2024: 0% -> 100%

2024-05-12 40 -> 11 425.10 -> 659.69

X Russian Championship: 0% -> 100%

2024-05-06 37 -> 40 439.06 -> 425.10

IX Russian Riichi Championship: 57% -> 43%

2024-04-12 33 -> 37 473.22 -> 439.06

Moscow Riichi 2022: 29% -> 14%

2024-03-30 31 -> 33 473.22

Tournaments

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