Tkachenko Nikita

From Moscow, Russia

EMA: 15990049

Player page

Internal rating (RR)

Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).

89 place (252.48).

max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645

p1 = (171.43 * 3.20 * 0.43 + 612.61 * 4.05 * 0.86 + 0 + 0 + 0) / (3.20 * 0.43 + 4.05 * 0.86 + 1 + 1 + 1) = 301.1242831778293

p2 = (612.61 * 4.05 * 0.86 + 171.43 * 3.20 * 0.43) / max_coefficients = 203.8427726725616

score = 301.1242831778293 * 0.5 + 203.8427726725616 * 0.5 = 252.48352792519546

Rating changes

Show

all results
Date Place Points Reason
2021-02-01 76 -> 89 469.32 -> 252.48
2020-02-01 76 469.32

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 613 2019-12-15 44/112 86% 4.05 EMA VIII Russian Riichi Championship Moscow
2 171 2019-07-21 30/36 43% 3.20 RR Moscow Open Riichi Marathon 2019 Moscow
3 85 2019-01-13 44/48 0% 3.10 RR Agari team tournament 2019 Moscow
4 619 2018-12-16 25/64 0% 3.45 EMA White Dragon Tournament Moscow
5 830 2018-08-19 9/48 0% 3.10 RR Moscow Riichi Open 2018 Moscow
6 852 2018-07-15 5/28 0% 3.00 RR Moscow Open Riichi Marathon Moscow
7 662 2018-06-11 25/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
8 988 2017-12-11 2/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
9 254 2017-10-22 48/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
10 67 2017-10-07 15/16 0% 1.40 RR Red Dragon tournament 2017 Moscow
11 971 2017-07-09 2/36 0% 3.20 RR Moscow Open Riichi Marathon 2017 Moscow
12 641 2017-03-11 15/40 0% 2.00 RR Moscow championship 2017 (JPML-A rules) Moscow
13 803 2016-12-04 15/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
14 793 2016-09-11 19/88 0% 3.45 EMA V Russian Riichi Championship 2016 Moscow
15 333 2016-04-17 11/16 0% 1.20 RR Riichi mahjong league tournament 2016 (JPML-A rules) Moscow
16 990 2016-03-13 2/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016 Moscow
17 200 2016-02-06 13/16 0% 1.40 RR February tournament glhf; 2016 Moscow
18 196 2015-10-18 42/52 0% 2.90 EMA Russian Open Riichi Championship 2015 Vologda
19 791 2015-03-08 10/44 0% 2.50 EMA Moscow Riichi Championship 2015 Moscow
20 952 2014-12-07 4/64 0% 3.15 EMA Russian Open Riichi Championship 2014 Moscow
21 1000 2014-09-21 1/64 0% 3.15 RR "Japanese House" riichi mahjong cup 2014 Moscow
22 707 2014-02-15 23/76 0% 2.50 RR Moscow Riichi 2014 Moscow
23 775 2013-12-08 17/72 0% 3.25 EMA Russian Riichi Championship 2013 Moscow
24 618 2013-05-19 22/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013 Moscow
25 800 2011-04-23 8/36 0% 0.90 EMA Moscow Riichi 2011 Moscow