Tkachenko Nikita

From Moscow, Russia

EMA: 15990049

Player page

Common russian riichi rating (CRR)

Rating date Jan. 8, 2026 (latest changes Jan. 7, 2026).

46 place (566.25).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (988.76 * 3.75 * 0.71 + 612.90 * 3.10 * 0.86 + 477.61 * 4.10 * 1 + 526.32 * 3.90 * 1 + 0) / (3.75 * 0.71 + 3.10 * 0.86 + 4.10 * 1 + 3.90 * 1 + 1) = 578.129953783003

p2 = (988.76 * 3.75 * 0.71 + 526.32 * 3.90 * 1 + 477.61 * 4.10 * 1 + 612.90 * 3.10 * 0.86) / max_coefficients = 554.3719063545151

score = 578.129953783003 * 0.5 + 554.3719063545151 * 0.5 = 566.2509300687591

Rating changes

Show

all results
Date Place Points Reason
2026-01-07 43 -> 46 575.85 -> 566.25

Moscow Open Riichi Marathon: 100% -> 86%
2026-01-03 42 -> 43 575.85
2026-01-01 46 -> 42 575.85
2025-12-13 41 -> 46 600.72 -> 575.85

Moscow Riichi 2024: 86% -> 71%
2025-12-09 42 -> 41 600.72
2025-12-07 41 -> 42 600.72
2025-11-25 42 -> 41 600.72
2025-11-14 44 -> 42 600.72
2025-11-04 66 -> 44 529.42 -> 600.72

XI Russian Championship: 0% -> 100%
2025-11-01 68 -> 66 528.56 -> 529.42

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 526 2025-11-04 28/58 100% 3.90 RR XI Russian Championship Moscow
2 478 2025-06-15 36/68 100% 4.10 RR 13 bloody tiles Perm
3 613 2025-01-07 13/32 86% 3.10 RR Moscow Open Riichi Marathon Moscow
4 989 2024-10-13 🥈 2/90 71% 3.75 RR Moscow Riichi 2024 Moscow
5 523 2022-06-12 54/112 0% 4.05 RR Moscow Riichi 2022 Moscow
6 613 2019-12-15 44/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
7 171 2019-07-21 30/36 0% 3.20 RR Moscow Open Riichi Marathon 2019 Moscow
8 85 2019-01-13 44/48 0% 3.10 RR Agari team tournament 2019 Moscow
9 619 2018-12-16 25/64 0% 3.45 EMA White Dragon Tournament Moscow
10 830 2018-08-19 9/48 0% 3.10 RR Moscow Riichi Open 2018 Moscow
11 852 2018-07-15 5/28 0% 3.00 RR Moscow Open Riichi Marathon Moscow
12 662 2018-06-11 25/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
13 704 2018-01-20 9/28 0% 1.70 CRR Team tournament Agari. Season event Moscow
14 988 2017-12-11 🥈 2/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
15 254 2017-10-22 48/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
16 67 2017-10-07 15/16 0% 1.40 RR Red Dragon tournament 2017 Moscow
17 971 2017-07-09 🥈 2/36 0% 3.20 RR Moscow Open Riichi Marathon 2017 Moscow
18 641 2017-03-11 15/40 0% 2.00 RR Moscow championship 2017 (JPML-A rules) Moscow
19 803 2016-12-04 15/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
20 793 2016-09-11 19/88 0% 3.45 EMA V Russian Riichi Championship 2016 Moscow
21 333 2016-04-17 11/16 0% 1.20 RR Riichi mahjong league tournament 2016 (JPML-A rules) Moscow
22 990 2016-03-13 🥈 2/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016 Moscow
23 200 2016-02-06 13/16 0% 1.40 RR February tournament glhf; 2016 Moscow
24 196 2015-10-18 42/52 0% 2.90 EMA Russian Open Riichi Championship 2015 Vologda
25 791 2015-03-08 10/44 0% 2.50 EMA Moscow Riichi Championship 2015 Moscow
26 952 2014-12-07 4/64 0% 3.15 EMA Russian Open Riichi Championship 2014 Moscow
27 1000 2014-09-21 🥇 1/64 0% 3.15 RR "Japanese House" riichi mahjong cup 2014 Moscow
28 707 2014-02-15 23/76 0% 2.50 RR Moscow Riichi 2014 Moscow
29 775 2013-12-08 17/72 0% 3.25 EMA Russian Riichi Championship 2013 Moscow
30 618 2013-05-19 22/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013 Moscow
31 800 2011-04-23 8/36 0% 0.90 EMA Moscow Riichi 2011 Moscow