In general I try to respect the original design of articles when I add an Interactive Diagram. But I agree with the suggestion of Jean-Louis that in this case the piece representations were extremely silly and confusing. So I followed his suggestion for their more sensible replacements, and hope no one objects to this.
In general I try to respect the original design of articles when I add an Interactive Diagram. But I agree with the suggestion of Jean-Louis that in this case the piece representations were extremely silly and confusing. So I followed his suggestion for their more sensible replacements, and hope no one objects to this.