ScrollChessNotes
How ScrollChess was built, and what a 22.5 pt square forces you to do differently.
Chess on a watch is a touch-target problem, not a chess 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.
· 6 min read
Making a chess engine play like a weaker person, not a broken one
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.
· 9 min read