Historical clue formulations

• Piece that can't move to a different-colored square — 2026-03-13
• Piece in a fianchetto opening — 2014-02-08
• King protector — 2011-01-23
• King's neighbor — 2010-01-20
• An ecclesiastic — 2004-10-21
• Miter wearer — 1997-10-26
• Neighbor of a knight — 1995-05-23
• Carson's erstwhile ABC rival — 1994-12-31
• King's neighbor — 1994-04-14