Puzzle library
Pick a theme. Drill the pattern.
101,361 puzzles · curated and growing. Solve, see the answer, move to the next.
Mating patterns
♛
Mate in 1
Spot the one move that ends the game.
9139 puzzles
Solve →
♚
Mate in 2
Calculate two moves ahead to seal it.
11516 puzzles
Solve →
🏰
Back-Rank Mate
The 8th rank is undefended.
1553 puzzles
Solve →
Tactical motifs
⚔
Fork
Attack two pieces at once.
14053 puzzles
Solve →
📌
Pin
Freeze a piece against a higher one.
7233 puzzles
Solve →
🪓
Skewer
Attack a piece; what runs is yours.
2420 puzzles
Solve →
💥
Discovered Attack
Move one piece; another lands the punch.
6206 puzzles
Solve →
🎯
Sacrifice
Give up material for a winning attack.
9405 puzzles
Solve →
Game phase
♔
نهاية المباراة
King-and-pawn, rook endings, the basics.
49054 puzzles
Solve →
♘
Opening Tactics
Punish a known opening mistake.
5413 puzzles
Solve →
⚡ Currently 101,361 puzzles · growing weekly. Soon: 50,000+ from open puzzle libraries, filterable by your NCR rating.