Korobeynikov Vladimir

Russian Champion 2019

From Moscow, Russia

EMA: 15990148

Player page

Common russian riichi rating (CRR)

Rating date April 19, 2021 (latest changes April 16, 2021).

12 place (669.96).

max_coefficients = (2.90 * 0.86 + 4.05 * 0.57 + 3.85 * 0.57 + 3.45 * 0.57) = 8.970979999999999

p1 = (825.40 * 3.45 * 0.57 + 1000 * 4.05 * 0.57 + 935.48 * 2.70 * 0.71 + 0 + 0) / (3.45 * 0.57 + 4.05 * 0.57 + 2.70 * 0.71 + 1 + 1) = 699.4647015927471

p2 = (1000 * 4.05 * 0.57 + 935.48 * 2.70 * 0.71 + 825.40 * 3.45 * 0.57) / max_coefficients = 640.4517678113207

score = 699.4647015927471 * 0.5 + 640.4517678113207 * 0.5 = 669.9582347020339

Rating changes

Show

Date Place Points Reason
2021-04-15 10 -> 12 690.74 -> 669.96

VIII Russian Riichi Championship: 71% -> 57%

2021-04-02 11 -> 10 687.80 -> 690.74
2021-03-26 9 -> 11 702.04 -> 687.80

The last chance: back to 2019: 86% -> 71%

2021-03-24 8 -> 9 715.75 -> 702.04

Saint Petersburg Open 2019: 71% -> 57%

2021-03-21 9 -> 8 715.75
2021-03-08 9 702.06 -> 715.75
2021-03-04 10 -> 9 688.78 -> 702.06
2021-02-15 9 -> 10 705.18 -> 688.78

VIII Russian Riichi Championship: 86% -> 71%

2021-02-02 8 -> 9 705.18
2021-01-26 7 -> 8 717.25 -> 705.18

The last chance: back to 2019: 100% -> 86%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 935 2020-01-26 3/32 71% 2.70 RR The last chance: back to 2019
2 1000 2019-12-15 1/112 57% 4.05 EMA VIII Russian Riichi Championship
3 825 2019-11-24 12/64 57% 3.45 EMA Saint Petersburg Open 2019
4 574 2018-08-19 21/48 0% 3.10 RR Moscow Riichi Open 2018
5 963 2018-05-20 2/28 0% 3.50 CRR A-League
6 831 2017-12-11 15/84 0% 3.40 EMA VI Russian Riichi Championship 2017
7 889 2017-10-22 8/64 0% 3.45 EMA Moscow Riichi Open 2017
8 436 2017-03-11 23/40 0% 2.00 RR Moscow championship 2017 (JPML-A rules)
9 419 2015-03-08 26/44 0% 2.50 EMA Moscow Riichi Championship 2015
10 960 2014-02-15 4/76 0% 2.50 RR Moscow Riichi 2014
11 746 2013-12-08 19/72 0% 3.25 RR Russian Riichi Championship 2013
12 509 2013-05-19 28/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013