2 please add proper capitalization and punctuation
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doubleDouble check is possible.

oneOne piece must move to deliver a check while, while simultaneously allowing another piece to give check that had been blocked by the moving piece.

examples a rook could move on the rank to check on a file while uncovering a bishop checkExamples:

a knight could move to give check while uncovering a rook check or a bishop check

  • a rook could move on the rank to check on a file while uncovering a bishop check
  • a knight could move to give check while uncovering a rook check or a bishop check

double check is possible

one piece must move to deliver a check while simultaneously allowing another piece to give check that had been blocked by the moving piece

examples a rook could move on the rank to check on a file while uncovering a bishop check

a knight could move to give check while uncovering a rook check or a bishop check

Double check is possible.

One piece must move to deliver a check, while simultaneously allowing another piece to give check that had been blocked by the moving piece.

Examples:

  • a rook could move on the rank to check on a file while uncovering a bishop check
  • a knight could move to give check while uncovering a rook check or a bishop check
1
source | link

double check is possible

one piece must move to deliver a check while simultaneously allowing another piece to give check that had been blocked by the moving piece

examples a rook could move on the rank to check on a file while uncovering a bishop check

a knight could move to give check while uncovering a rook check or a bishop check