ChessWorld.net, founded in 2000, is an online chess site. Play relaxed, friendly correspondence-style chess — with online daily, turn-based games — at your own pace.
The Chess Gym: Free Chess Training Tools & Drills
Puzzles are great — but many blunders happen because of weak board vision, memory slips, and missing “obvious” threats in real games. Use these quick drills to build the habits that puzzles often don’t fix.
🏋️ Gym insight: Tools are only powerful when you train the right skills.
Build a simple “vision + tactics + calculation” routine.
🧠 Chess Memory & Vision Trainers
Target: chess memory trainer, chess vision trainer, blindfold chess, board vision drills.
Flash Memory Trainer
Memorise a position quickly and reconstruct it perfectly. Builds short-term board recall and steadier calculation.
Train Memory
Invisible Knight Trainer
Blindfold-style drill: follow a knight’s jumps in your head. Great for internal board representation.
Train Blindfold
Safe Square Survivor
Fast awareness drill: find a truly safe square before time runs out. Helps reduce “dropped piece” blunders.
Play Survivor
Square Color Visualizer
Master light/dark square recognition without a full board. Builds fundamental visualization and pattern memory.
Start Visualizing
💡 Quick win: If you “lose the picture” after 2–3 moves, you can learn a method — not just grind more puzzles.
👁️ Last-Move Scanning & Blunder-Prevention Drills
Train the habit: “What changed?” after every move — what opened, what became loose, what squares were weakened.
Weakness of Last Move
Prophylaxis drill: spot squares and structures weakened by the opponent’s last move.
Find Weaknesses
Liberated Piece Hunter
Discovery drill: find pieces “woken up” by the last move — new lines, diagonals, files and targets.
Find Discoveries
Loose Piece Hunter (LPDO)
Train yourself to instantly notice undefended pieces — a top source of beginner and blitz blunders.
Hunt Loose Pieces
Killer Common Squares
Scan around the enemy king to find key convergence squares where attacks and mates often form.
Target Squares
🎮 The “Muncher” Series (Piece Movement & Coordination)
Target: chess brain training, chess move trainer, pawn trainer. Pathfinding + piece coordination in a fun drill.
Queen Muncher Path
Calculate the cleanest route for the queen to capture targets in order without getting blocked.
Start Munching
Rook Muncher Path
Find the rook’s best route while staying mobile and avoiding dead ends.
Start Munching
Bishop Muncher Path
Diagonal mastery: visualize the route that lets a bishop pick off all targets efficiently.
Start Munching
Knight Muncher Path
Calculate the jump sequence that visits every target. Builds knight intuition and concrete calculation.
Start Munching
Pawn Muncher Optimiser
Optimization challenge: capture the maximum number of pawns. Great for pawn breaks and promotion vision.
Maximise Score
King’s Perilous Path
Find a safe route for the king to capture all targets while avoiding danger zones — endgame awareness.
Start Path
Knight’s Tour Puzzle
The ultimate knight brain drill: visit every square exactly once. Pattern familiarity + deep geometry.
Play Tour
📐 Calculation & Survival Drills
Target: chess tactics practice, chess gym drills, calculation drills. Quick evaluation under pressure.
Safety Check Trainer
Compare attackers vs defenders (including X-ray support) to test if a capture or sacrifice is actually safe.
Verify Safety
Material Score Rush
Piece-value sprint: instantly judge who’s ahead on material (White / Black / Equal). Sharpen evaluation speed.
Play Rush
Knight’s Minefield
Navigate a field of enemy pawns with a knight. Trains safety awareness, knight jumps and forward calculation.
Enter Minefield
⚡ Forcing-Move Trainers (Checks, Captures, Threats)
Train the “forcing move scan” so you miss fewer tactics in blitz and real games.
Check Hunter
Instantly spot every legal check so you stop missing forcing resources.
Find Checks
Capture Hunter
Scan for all captures for both sides — forcing-move discipline that prevents oversights.
Find Captures
Major Threat Hunter
Find non-checking moves that create huge threats (mate, winning queen, decisive material).
Find Threats
Pin Hunter
Recognise pinned pieces at a glance. Builds tactical pattern speed.
Hunt Pins
Knight Fork Trainer
Find the fork square where a knight hits two or more valuable targets — essential blunder prevention.
Find Forks
🤖 Full Game Practice – Play Chess vs Computer
Test your new habits in complete games against an adjustable AI opponent.
♟️ Logic Extras
Pure board geometry — fun drills that also sharpen spatial reasoning.
Eight Queens Challenge
Place eight queens so none attack each other. Spatial logic warm-up.
Solve
Eight Rooks Puzzle
A simple non-attacking rooks puzzle — clean and surprisingly useful for line-vision.
Play
Raging Rook Control
Place a rook to attack the maximum squares given obstacles. Influence + line visualization.
Max Control