How to make a resizable chess board?

Manipulate[MatrixPlot[Table[Mod[i + j, 2], {i, 1, n}, {j, 1, n}], ColorFunction -> "Monochrome"], {{n, 8}, 1, 20}]

Nice and simple.

To make it a little more terse we can use Array in place of Table:

Manipulate[MatrixPlot[Plus ~Array~ {n, n} ~Mod~ 2, ColorFunction -> "Monochrome"], {{n, 8}, 1, 20}]

With correct column numbering, thanks to a shameless steal from Kuba:

Manipulate[
 MatrixPlot[Table[Mod[i + j, 2], {i, 1, n}, {j, 1, n}], 
  ColorFunction -> "Monochrome", 
  FrameTicks -> {Range@n,Transpose[{#, FromCharacterCode /@ (# + 96)} &[Range[n]]]}], {{n, 8}, 1, 20}]

For even n:

MatrixPlot[
 ArrayPad[DiagonalMatrix[{1, 1}], 3, "Reflected"],
 PlotTheme -> "Monochrome"]

My answer:

cb[n_Integer /; n > 0] := MatrixPlot@SparseArray[{i_, j_} :> Mod[i + j, 2], {n, n}]

cb[8]

---

For those who desire a more traditional board:

Block[{n = 8},
 MatrixPlot[
  SparseArray[{i_, j_} :> Mod[1 + i + j, 2], {n, n}],
  ColorFunction -> GrayLevel, 
  FrameTicks -> {
    {#, #} &@ Table[{i, n - i + 1}, {i, n}],
    {#, #} &@ Table[{i, FromCharacterCode[ToCharacterCode["a"] + i - 1]}, {i, n}]},
  FrameStyle -> Bold
  ]
 ]

---

Thanks to @eldo, someone answered this question and bumped it to the top of the stack. I had seen it about an hour before when I referred @eldo to it, but I ignored it until it came to the top of the stack. Now we have several answers to both, each of which might be an answer to the other.