https://scrollchess.com/blog Notes from building chess for Apple Watch. en https://scrollchess.com/blog/chess-on-a-watch-is-a-touch-target-problem https://scrollchess.com/blog/chess-on-a-watch-is-a-touch-target-problem A chess square is 22.5 pt on the largest Apple Watch and about 17.5 pt on a 40 mm one. Apple's own minimum for something you tap is 44 pt. The way out is an input model where the tap carries no coordinates. Tue, 28 Jul 2026 00:00:00 GMT https://scrollchess.com/blog/making-an-engine-play-like-a-weaker-person https://scrollchess.com/blog/making-an-engine-play-like-a-weaker-person Weakening an engine by blinding it produces a bot that plays well for ten moves and then hands you a queen. The fix is to choose among moves the search already approved, and then to measure whether the levels are actually different. Tue, 28 Jul 2026 00:00:00 GMT