Grid Examples

m=RandomReal[{0,1},{8,12}];
Grid[MapThread[Prepend,
{Prepend[m,CharacterRange["\[WhiteKing]","\[BlackPawn]"]],
Prepend[CharacterRange["a","h"],""]}],
Frame->All,FrameStyle->Dashed,
Background->{{Table[ColorData["Pastel"][i/12],{i,12}]}}]