Historical clue formulations

• Switches allegiances, as a spy — 2023-11-12
• Opportunities to play in games — 2021-05-17
• They're taken in chess — 2019-10-24
• Throws of the dice, maybe — 2018-05-02
• Succession in a board game — 2017-03-18
• Becomes a traitor — 2016-09-02
• Blushes — 2016-06-19
• Revisits an earlier time — 2013-12-01
• Spins, rolls or draws — 2012-10-17
• Goes bad — 2012-05-03
• Swings — 2009-11-15
• Blinkers signal them — 2007-09-03
• They're taken in chess — 2001-07-18
• Goes bad — 2000-03-29
• Changes colors — 1997-11-12
• Players take them — 1996-09-28
• Game divisions — 1996-08-08