Blog.

1. Jul 2026

   A 5×5 chess engine, and porting it to JS

   Magic bitboards and a pruned negamax search, then the Python original as an oracle.

2. Jul 2026

   A neural network from scratch in NumPy

   Backpropagation derived by hand, and why a canvas drawing is not MNIST-shaped.

3. Jul 2026

   Multiplayer chess on Flask and WebSockets

   Flask, WebSockets, a rules engine, and the decision I would take back.