DeltaChess

DeltaChess is a competitive strategy board game that elevates classic chess with modern features and clean, precise controls. Battle an adaptive AI or challenge players worldwide across blitz, rapid, and classic time controls. Sharpen your skills with built-in analysis, opening insights, and instant post-game evaluations. Tackle daily puzzles, practice endgames, and climb ranked ladders to test your strategy under pressure. Smooth animations, readable boards, and configurable themes keep every match focused and fair.

Choose a mode: AI practice, online ranked, friendly matches, puzzles, or training drills. Move pieces by tap or drag, follow standard chess rules, and aim to checkmate the opponent’s king. Set your pace with blitz, rapid, or classic time controls, and manage the clock to avoid flagging. Study the opening explorer to prepare plans and transition into strong middlegames. Review post-game analysis to spot blunders, learn best moves, and reinforce key tactics. Win matches to earn rating points, unlock new board and piece themes, and rise on the leaderboard.