In the early 1800s, competitive chess was a time commitment, with games lasting 8-10 hours. Players would often try to stall and exhaust each other. One infamous match between Howard Staunton and Pierre St. Amant in 1843 reportedly took over 14 hours! In the 1850s, event organizers started to innovate
DGT North American Digital Chess Clock Bobby Fischer
Time for a game? Standard, Rapid, or Blitz? Or Bullet? - Chandlers Ford Chess Club
【EASY to SET】:This chess timer features simple program design with large screen which support to quick edit game time and star. 【MULTI-FUNCTIONS】
LEAP Chess Clock Digital Chess Timer Advanced for Board Game and Chess Timer with Bonus & Delay Count Down up Alarm Black/Orange
History of Chess Clocks - Chess Is The Best With Chess Wizards
Simple Arduino Chess Clock : 5 Steps - Instructables
Easy to Use: Just wind it up and set the hands before the game begins.Durable plastic casing, lightweight and portable. Widely Use: Available for Chinese Chess, International Chess and I-GO.
Mortilo Analog Chess Clock - Mechanical Chess Clocks Garde - Chess Clock Count Up Down, Size: One size, Black
Austrian
The psychology of time trouble
Simple Arduino Chess Clock : 5 Steps - Instructables