🧠 The Chess Brain Gym

Isolate your weaknesses. Drill your skills. Master the board.

🤖 Full Game Practice

Put your training to the test. Play full games against the modernized AI engine.
🤖 VS Computer (AI) Modern Engine: Full chess game with adjustable difficulty (Levels 1-4), drag-and-drop, and PGN export. Play Now

👁️ Last Move & Board Scanning

Develop "Dynamic Vision." Master the art of seeing what changed, what opened up, and what is converging.
♞ Weakness of Last Move Prophylaxis: Identify the squares explicitly abandoned by the opponent's last move. Find Weaknesses 🔑 Liberated Piece Hunter Discovery: Identify friendly pieces that were "woken up" (gained open lines) by the last move. Find Discoveries 🎯 Killer Common Squares Convergence: Scan the King's zone to find the specific square where your attacks focus. Target Weakness 🔓 Loose Piece Hunter Scanning: Scan the board to instantly spot pieces with zero defenders (LPDO). Hunt Loose Pieces

📐 Calculation & Pathfinding

Deepen your calculation by planning complex sequences, counting trades, and clearing obstacles.
⚔ Safety Check Rapidly compare Attackers vs. Defenders (including X-ray batteries). Verify Safety ♛ Queen Muncher Find the unblocked path to capture all Pawns in order. Start Munching ♜ Rook Muncher Capture Path: Find the sequence to capture all pawns without getting blocked. Find Path ♝ Bishop Muncher Capture Path: Find the complex diagonal path to munch all White Pawns. Start Munching ♞ Knight Muncher Capture Path: Calculate the L-shaped jump sequence to capture all targets. Start Munching ♟ Pawn Muncher Optimization: Guide the Pawn to capture the maximum possible number of Pawns. Maximize Score ♚ King's Perilous Path Capture Path: Find the safe path to capture all Pawns avoiding attack zones. Start Rushing

⚡ Tactical Patterns

Train your eyes to recognize common motifs instantly.
⚡ Check Hunter Forcing Moves: Train your eyes to instantly spot every legal move that delivers Check. Find Checks ⚔ Capture Hunter Forcing Moves: Train your eyes to instantly see every possible capture on the board. Find Captures 💥 Major Threat Hunter Forcing Moves: Find "Quiet Killers" that threaten Checkmate or attacks on an undefended Queen. Find Threats ♝ Pin Hunter Tactical Vision: Instantly spot the White piece absolutely pinned to the King. Start Hunting ⚔ Knight Fork Hunter Tactics: Find the geometric square where a Knight attacks two pieces at once. Find Forks 🛡 Safe Square Survivor Speed Vision: Find a safe square instantly before time runs out. Play Survivor 💥 Knight's Minefield Navigate a field of enemy pawns. Trains safety awareness. Play Game

🧠 Visualization & Logic

Develop your "Mind's Eye" and pure geometric reasoning.
👻 The Invisible Knight Blindfold Trainer: Follow the invisible piece's jumps in your mind. Start Visualization 👁 Visualization & Colors Master square colors (Light/Dark) without looking at the board. Start Training 🧠 Flash Memory Memorize a random position in 5 seconds and reconstruct it perfectly. Test Memory ♞ Knight's Tour The classic puzzle: Can you visit every square on the board exactly once? Play Puzzle ♕ The Eight Queens Logic Challenge: Place 8 Queens so that none attack each other. Solve Puzzle ♖ The Eight Rooks The logic warm-up: Place eight non-attacking Rooks. Play Puzzle ♖ The Raging Rook Max Control: Place a Rook to attack the maximum number of squares given obstacles. Max Control