Hello, Spoiler Alert! Here’s the (secure) ruby reference solution in its full glory for the (Secure) Ruby Quiz - Code Challenge #1 - Create a 3x3 Tic-Tac-Toe Player vs Player Game Contract. Compare the sruby code to the EOS.IO C++ spaghetti “monster”? I guess the C++ version is at least 10x faster :-). Cheers. Prost. Happy coding and (crypto) blockchain contract scripting with sruby.