Wiktionary
n. (context chess English) The side of the chessboard nearest to the king (at the opening position).
Usage examples of "kingside".
This was no sweat to counter in itself, but I had to wheel my guns away from his sparse kingside, back from the centre too, where Martin was beginning to establish a couple of minor pieces that knight again, a useful black-square bishop .
A strong kingside attack should now be possible, unless his opponent had a complete surprise up her sleeve.
My foe could not compute, continuing with its attack on my kingside until my knight forked its king and queen.
Oh, he knew the rules, and the rudiments, and even some of the refinements, but he had no grasp whatsoever of such instruments as the gambit, the knight fork, or the defrocked bishop, and while he was all too eager to demonstrate he knew how to castle, he castled kingside when he should have castled queenside, and he castled either side when he did not need to castle at all.
The game went quiet for a couple of moves as we tended our own gardens, both briskly castling, kingside.