Online Chess — Lichess / Chess.com
Sub-100ms move sync over binary WebSockets, authoritative bitboard validation, clock fairness under network lag, Glicko matchmaking, engine-assistance detection, and spectating a million-viewer game.
Sub-100ms move sync over binary WebSockets, authoritative bitboard validation, clock fairness under network lag, Glicko matchmaking, engine-assistance detection, and spectating a million-viewer game.