Korobeynikov Vladimir

Russian Champion 2019

From Moscow, Russia

EMA: 15990148

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Internal rating (RR)

Rating date Feb. 12, 2024 (latest changes Feb. 12, 2024).

59 place (332.71).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 4.05 * 0.29) = 11.907145000000002

p1 = (945.95 * 4.05 * 0.29 + 626.67 * 4.20 * 0.71 + 0 + 0 + 0) / (4.05 * 0.29 + 4.20 * 0.71 + 1 + 1 + 1) = 415.6098556058316

p2 = (626.67 * 4.20 * 0.71 + 945.95 * 4.05 * 0.29) / max_coefficients = 249.8147120909336

score = 415.6098556058316 * 0.5 + 249.8147120909336 * 0.5 = 332.71228384838264

Rating changes

Show

all results
Date Place Points Reason
2024-02-12 51 -> 59 368.68 -> 332.71

Moscow Riichi 2022: 43% -> 29%
2024-01-20 52 -> 51 368.68
2024-01-06 51 -> 52 382.75 -> 368.68

IX Russian Riichi Championship: 86% -> 71%
2023-12-19 52 -> 51 382.75
2023-12-12 43 -> 52 411.98 -> 382.75

Moscow Riichi 2022: 57% -> 43%
2023-11-28 44 -> 43 411.98
2023-11-20 45 -> 44 411.98
2023-11-06 45 422.36 -> 411.98

IX Russian Riichi Championship: 100% -> 86%
2023-10-12 43 -> 45 446.80 -> 422.36

Moscow Riichi 2022: 71% -> 57%
2023-09-20 44 -> 43 446.80

Tournaments

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