Ergo Chess: Mate & Tactics

Sharpen the part of chess that wins games: seeing the tactic and finishing the mate. ErgoChess is a focused trainer built around a huge, curated puzzle library and a progression that actually teaches. Start with simple back-rank mates and climb — each checkmate pattern unlocks the next as you master it — until the full tactics trainer opens up. WHAT'S INSIDE • Checkmate trainer — ~18,000 puzzles from mate-in-1 to mate-in-5, organized by pattern (back-rank, smothered, and more) so you drill the ideas that recur in real games. • Tactics trainer — ~60,000 puzzles across 20 themes (forks, pins, skewers, discovered attacks, sacrifices…), each with a difficulty band, sourced from the Lichess puzzle database. • Play vs the computer — a real Stockfish opponent with adjustable strength, plus a built-in fallback engine so you can always get a game. • Famous games — replay and guess the moves of…