the queen’s gambit

chess books

Max Euwe, Oom Jan leert zijn neefje schaken

notable chess variants

chess960 and chess480

duck chess

crazyhouse

antichess

minichess (all kinds of variants on 3-7x4-7 boards)

Pauli Chess https://news.ycombinator.com/item?id=22709850

5D chess with multiverse timetravel https://www.5dchesswithmultiversetimetravel.com/

Quantum Chess

chess software

leela chess zero

stockfish

lichess

gnuchess

use chess in the piecepack vassal module

use chess in the chess ’n checkers vassal module

solitaire chess vassal module

toledo atomchess reloaded; 779 bytes in x86 assembly