Is this a troll or am I actually accused of cheating?

#	User	Rating
1	tourist	4009
2	jiangly	3821
3	Benq	3736
4	Radewoosh	3631
5	jqdai0815	3620
6	orzdevinwang	3529
7	ecnerwala	3446
8	Um_nik	3396
9	ksun48	3388
10	gamegame	3386

#	User	Contrib.
1	cry	164
1	maomao90	164
3	Um_nik	163
4	atcoder_official	161
5	-is-this-fft-	158
6	awoo	157
7	adamant	156
8	TheScrasse	154
8	nor	154
10	Dominater069	153

So today I recieved this message from a used named "System" System, here is its contents. This message was sent to me in russian, even though my CF is on english mode rn. It says that my submission 201305954 is identical to the submission 201337105 of a user TeeJay_0 (which i have 0 connections to he lives in the Netherlands and I live in Russia) for the problem 1797C - Li Hua and Chess. His solution was skipped and I only got this warning. The solutions were pretty identical, and the names of the variables were the same. Although it has to be admitted that these solutions could have been easily been the same on their own — the idea that both of us have in our solution and the structure of the code are pretty much the only ones possible in the problem. Calling the variables a, b, c, x and y feels pretty natural in this problem.

Can someone please help me and tell me am I actually accused of cheating or was this a troll message? Did anyone else also recieve this kind of accusations? Am I banned from participating in codeforces?