Chess Lab Library

Practice positions, ready to play

Teacher-authored chess positions — mate-in-one, tactics, and endgames. Play any of them free against the AI, or open one on the projector to teach the whole class. (5 labs)

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MASTER Greek Gift Sacrifice
Find the best move for White — sacrifice, greekGift, attack, mate.
MASTER Back Rank Mate
Find the best move for White — mateIn1, backRank, endgame.
ADVANCED Castle Quickly
Find the best move for White — opening, castling, kingSafety.
INTERMEDIATE Scotch Gambit
Find the best move for White — opening, gambit, openLines.
BEGINNER Back-rank mate in 1
Mate in 1