Deflection: knight to e3
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The tactical motive
Deflection: force the defender to abandon its post.
Difficulty 1774 ShuffleRating — for advanced tacticians.
Black to move — find the best continuation
How to recognize this tactic
Deflection drags a defender away from its duty. Identify the enemy piece that guards a key square or mate, then force it to move — with a check, a capture or a threat it must answer — and strike where it no longer defends.
General method: before you move, list the forcing candidates — every check, every capture, every direct threat — and calculate those first. The solution to a tactic is almost always among them.
Position on the board
White: king c3, knight c2, pawn g3 h5.
Black: king b1, knight c4, pawn a2.
4 white and 3 black pieces are on the board; the puzzle position arises after move 63.
The position in numbers
White are ahead by 1 points of material (5 against 4; pawn = 1, knight and bishop = 3, rook = 5, queen = 9) — the tactic has to convert or outweigh that.
The white king stands on c3, the black king on b1.
It is Black to move on move 63, with 13 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 2 pawns, Black 1. Files fully open (no pawns of either colour): b, c, d, e, f — natural highways for the rooks and queen. Half-open for Black: g, h.
The Black king has 1 empty squares to step to right now — the fewer they are, the closer a mating net.
Solution & explanation
Main line
63... Ne3 64. Nxe3 a1=Q+
Why it works
- Great move! knight to e3 keeps the pressure (+4.0).
- Well found: pawn to a1 (+4.2).
- You win decisive material (+4.2).
- If instead Nxe3, then a1=Q+ and you win the pawn.
Move by move
- 63… Ne3 — knight to e3
- 64. Nxe3 — knight to e3 (capture)
- a1=Q+ — pawn to a1 with check
Types in this puzzle
Promotion
The pawn reaches the last rank and becomes a queen — decisively.
Promotion turns a pawn on the last rank into a queen and rewrites the evaluation on the spot. In tactics the passer rarely walks in for free — usually a sacrifice clears its path. Count the tempi: how many moves does the pawn need, and can the defender stop it in time? And watch the promotion square itself — it must be out of enemy reach or won by force in your combination.
Promotion race
Both sides push passers — win the race by a tempo.
A promotion race is a sprint between two passed pawns: both sides push toward the last rank, and victory goes to whoever queens first or queens with check. You will recognize it when both players have far-advanced passers that neither king can catch. Count the tempi literally, move by move, all the way to promotion. The classic mistake is spending a tempo on a "useful" move — in a race, almost any non-pawn move loses.
Quiet move
No check, no capture — yet this modest move decides the game.
A quiet move gives no check and takes nothing — yet it decides the game by creating an unstoppable threat or stealing the king's last square. This is the hardest class of moves: the eye hunts for loud blows while a modest shift does the winning. The clue: every forcing try runs into a defense, so seek the move that strengthens the threat or takes squares away. Train yourself to ask: what if I neither capture nor check, but quietly improve?
Provenance
Derived from the Lichess puzzle database (CC0).
Verified by Stockfish at depth 20+.
Solution forcedness confirmed (verified).
Pack 013
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