Learn how to create contour plots in Python using NumPy’s meshgrid and Matplotlib. This step-by-step tutorial shows you how to generate grids, compute functions over them, and visualize data ...
A retrieval-augmented generation system for chess opening knowledge, powered by GPT-5 and ~600k chunks from 988 chess books (559,406 extracted diagrams). Includes 233,211 PGN game chunks from 64,251 ...