Korobeynikov Vladimir

Russian Champion 2019

From Moscow, Russia

EMA: 15990148

Player page

Common russian riichi rating (CRR)

Rating date Sept. 28, 2023 (latest changes Sept. 28, 2023).

35 place (498.74).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (945.95 * 4.05 * 0.71 + 626.67 * 4.20 * 1 + 434.78 * 2.80 * 1 + 0 + 0) / (4.05 * 0.71 + 4.20 * 1 + 2.80 * 1 + 1 + 1) = 553.769197879578

p2 = (945.95 * 4.05 * 0.71 + 626.67 * 4.20 * 1 + 434.78 * 2.80 * 1) / max_coefficients = 443.708665043221

score = 553.769197879578 * 0.5 + 443.708665043221 * 0.5 = 498.7389314613995

Rating changes

Show

Date Place Points Reason
2023-09-20 37 -> 35 498.74
2023-09-03 24 -> 37 518.25 -> 498.74
2023-08-27 23 -> 24 518.25
2023-08-26 21 -> 23 518.25
2023-08-19 22 -> 21 518.25
2023-08-12 20 -> 22 536.76 -> 518.25

Moscow Riichi 2022: 86% -> 71%

2023-07-28 21 -> 20 536.76
2023-07-20 22 -> 21 536.76
2023-06-19 24 -> 22 536.76
2023-06-12 21 -> 24 553.75 -> 536.76

Moscow Riichi 2022: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 435 2022-12-18 14/24 100% 2.80 CRR Meeting in the billiard room
2 627 2022-11-06 29/76 100% 4.20 RR IX Russian Riichi Championship
3 946 2022-06-12 7/112 71% 4.05 RR Moscow Riichi 2022
4 935 2020-01-26 3/32 0% 2.70 RR The last chance: back to 2019
5 1000 2019-12-15 1/112 0% 4.05 EMA VIII Russian Riichi Championship
6 825 2019-11-24 12/64 0% 3.45 EMA Saint Petersburg Open 2019
7 574 2018-08-19 21/48 0% 3.10 RR Moscow Riichi Open 2018
8 963 2018-05-20 2/28 0% 3.50 CRR A-League
9 831 2017-12-11 15/84 0% 3.40 EMA VI Russian Riichi Championship 2017
10 889 2017-10-22 8/64 0% 3.45 EMA Moscow Riichi Open 2017
11 436 2017-03-11 23/40 0% 2.00 RR Moscow championship 2017 (JPML-A rules)
12 419 2015-03-08 26/44 0% 2.50 EMA Moscow Riichi Championship 2015
13 960 2014-02-15 4/76 0% 2.50 RR Moscow Riichi 2014
14 746 2013-12-08 19/72 0% 3.25 EMA Russian Riichi Championship 2013
15 509 2013-05-19 28/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013