Tkachenko Nikita

From Moscow, Russia

EMA: 15990049

Player page

Internal rating (RR)

Rating date May 10, 2025 (latest changes May 10, 2025).

79 place (461.57).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (988.76 * 3.75 * 1 + 612.90 * 3.10 * 1 + 0 + 0 + 0) / (3.75 * 1 + 3.10 * 1 + 1 + 1 + 1) = 569.3269035532995

p2 = (988.76 * 3.75 * 1 + 612.90 * 3.10 * 1) / max_coefficients = 353.808832807571

score = 569.3269035532995 * 0.5 + 353.808832807571 * 0.5 = 461.56786818043525

Rating changes

Show

all results
Date Place Points Reason
2025-05-10 81 -> 79 461.57
2025-05-03 75 -> 81 461.57
2025-04-11 77 -> 75 461.57
2025-03-30 78 -> 77 461.57
2025-03-02 76 -> 78 461.57
2025-02-16 71 -> 76 461.57
2025-02-02 65 -> 71 461.57
2025-01-26 64 -> 65 461.57
2025-01-07 89 -> 64 252.48 -> 461.57

Moscow Open Riichi Marathon: 0% -> 100%
2021-02-01 76 -> 89 469.32 -> 252.48

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 613 2025-01-07 13/32 100% 3.10 RR Moscow Open Riichi Marathon Moscow
2 989 2024-10-13 2/90 100% 3.75 RR Moscow Riichi 2024 Moscow
3 523 2022-06-12 54/112 0% 4.05 RR Moscow Riichi 2022 Moscow
4 613 2019-12-15 44/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
5 171 2019-07-21 30/36 0% 3.20 RR Moscow Open Riichi Marathon 2019 Moscow
6 85 2019-01-13 44/48 0% 3.10 RR Agari team tournament 2019 Moscow
7 619 2018-12-16 25/64 0% 3.45 EMA White Dragon Tournament Moscow
8 830 2018-08-19 9/48 0% 3.10 RR Moscow Riichi Open 2018 Moscow
9 852 2018-07-15 5/28 0% 3.00 RR Moscow Open Riichi Marathon Moscow
10 662 2018-06-11 25/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
11 988 2017-12-11 2/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
12 254 2017-10-22 48/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
13 67 2017-10-07 15/16 0% 1.40 RR Red Dragon tournament 2017 Moscow
14 971 2017-07-09 2/36 0% 3.20 RR Moscow Open Riichi Marathon 2017 Moscow
15 641 2017-03-11 15/40 0% 2.00 RR Moscow championship 2017 (JPML-A rules) Moscow
16 803 2016-12-04 15/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
17 793 2016-09-11 19/88 0% 3.45 EMA V Russian Riichi Championship 2016 Moscow
18 333 2016-04-17 11/16 0% 1.20 RR Riichi mahjong league tournament 2016 (JPML-A rules) Moscow
19 990 2016-03-13 2/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016 Moscow
20 200 2016-02-06 13/16 0% 1.40 RR February tournament glhf; 2016 Moscow
21 196 2015-10-18 42/52 0% 2.90 EMA Russian Open Riichi Championship 2015 Vologda
22 791 2015-03-08 10/44 0% 2.50 EMA Moscow Riichi Championship 2015 Moscow
23 952 2014-12-07 4/64 0% 3.15 EMA Russian Open Riichi Championship 2014 Moscow
24 1000 2014-09-21 1/64 0% 3.15 RR "Japanese House" riichi mahjong cup 2014 Moscow
25 707 2014-02-15 23/76 0% 2.50 RR Moscow Riichi 2014 Moscow
26 775 2013-12-08 17/72 0% 3.25 EMA Russian Riichi Championship 2013 Moscow
27 618 2013-05-19 22/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013 Moscow
28 800 2011-04-23 8/36 0% 0.90 EMA Moscow Riichi 2011 Moscow