Discovered attack: knight to e3
li-07AP3The tactical motive
Discovered attack: one piece steps aside, unleashing another's attack.
Difficulty 1620 ShuffleRating — for advanced tacticians.
Black to move — find the best continuation
Position on the board
White: king g1, queen e2, rook a3, pawn f2 g2 h2 c5.
Black: king g8, rook d1 f7, knight f1, pawn a5 b7 c7 g7 h7.
7 white and 9 black pieces are on the board; the puzzle position arises after move 24.
Solution & explanation
Main line
24... Ne3+ 25. Qxd1 Nxd1
Why it works
- Great move! knight to e3 keeps the pressure (+5.1).
- Well found: knight to d1 (+5.0).
- You win a piece — the queen.
- If instead Qxd1, then Nxd1 and you win the queen.
Types in this puzzle
Discovered check
The moving piece opens a check — and is free to grab anything meanwhile.
With a discovered check the moving piece unmasks a check from the piece standing behind it. While the king deals with the check, the piece that moved grabs whatever it likes, free of charge. Look for your long-range piece on a line with the enemy king, with exactly one of your own pieces in between. The rule: among all the ways to step aside, pick the one that captures or attacks the most expensive loot.
Provenance
Derived from the Lichess puzzle database (CC0).
Verified by Stockfish at depth 20+.
Solution forcedness confirmed (verified).
Pack 012
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