To create a simple chess game using JavaScript and pictograms on a single HTML file, you can use the following code:
This code creates an 8x8 chessboard using CSS grid, and places the initial chess pieces as per the standard rules. The Unicode values for the chess pictograms are stored in the `chessPiecesUnicode` object. The `getPieceUnicode` function returns the Unicode for a given chess piece. The chessboard is rendered by appending the dynamically created elements to the document.
Please note that this code doesn't include any interactivity or game logic, as creating a fully functional chess game is beyond the scope of a single response. However, it provides a starting point for further development.