Whoever looks at either the pieces or the squares on a chess board and is triggered to thinking about ethnicity ought not to be. That includes those who post questions to Q&A websites. Meanwhile, trivialisation or mockery of real and very serious social issues, such as racism, or of those who recognise the reality and seriousness of such issues, should be strongly deprecated. That certainly includes when it is done in a "Your inference does not prove that I made any such implication"the implication you are alleging" gaslighty Roger Stone-like way.