Chess Daily News by Susan Polgar - Extension of time control

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Time control - Wikipedia

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Digital Chess Clock Chess Timer for Professional for Play for Time Control for Fischer Clock for Scrabble, Competitive B

Liang Ziming on X: This is a 4-game classical chess match, with time control of 90+30, inc 30'. The win in 1st game brought Ding's live rating back to 2800. /

How to Analyse Your Games

Slow time control OTB event. - Progress with Chess

Preparing For Your First Over-the-Board Chess Tournament, by Uneeb Hyder, Getting Into Chess, Nov, 2023

Grown men play chess using a watch to control time