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Lichess is an online chess game and community. It is free and open source, ad-free and subscription-free. You can play against your friends, random strangers and the computer. You can create teams to compete in tournaments. There are tournaments going on all the time.
There are different game modes available, but I don’t really touch these. Chess960, King of the Hill, Three-check, From position. You can request that your game is analysed by a chess engine, it gives you suggestions on what you should have done. I like how it shows a graph of how much of an advantage one player has over one another.
Lichess is also good for becoming better at chess. Chess puzzles are available in the training section, where you have to choose the best move in a given situation, and follow it through to checkmate. Players can create their own puzzles.
It is truly better than the alternatives. Chess.com is cluttered with ads and has an uglier design - minimalism is the way forward. Lichess is free and open source, and always will be.213
Recently I have been looking at languages and compilation: VMs, parse trees, lexers, and interpreters. Nand to tetris is a pretty awesome guide to how the CPU executes programs - from logic gates to high level languages.
Assembler and Bytecode VM
I created an assembler and Virtual Machine to run assembly style instructions. I haven’t released it as it isn’t as complete as I want it yet.
Parse Trees and Reverse Polish Notation (RPN)
Turns a string such as “( 0 - (6) + ( 6 ^ 2 - 4 * 1 * 5 ) ^ (1 / 2) ) / ( 2 * 1)” into a binary syntax tree, and then into Reverse Polish Notation, and then executes it.
I have also experimented with a simple Lexical Analysisor, however it’s not at a state that I’d like to release.
Befunge is an esoteric programming language - a language which isn’t meant for pratical use, but rather to test programming use. The language consists of a two dimensional grid of characters. Each character is an individual instruction. I was disappointed that the authors didn’t take it seriously enough, and didn’t add input and output to it. So, I created my own! I called it ‘Rufunge’. It’s not finished yet, but can currently run most Befunge programs.
Mesecode is a language which compiles to Lua. It’s purpose it to make definitions in Minetest easier to read.
You can write:
mod default node Stone is ground, cracky=3, stone drops Cobble
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