Winning blow: rook to e3 (e1·6)
sf-t-0188naming tag (square·N)The tactical motive
Winning tactic: there is a move that gains a decisive advantage — find it.
Chess960 twist: use the unusual starting setup of the pieces.
Difficulty 1010 ShuffleRating — club-player level.
White to move — find the best continuation
Position on the board
White: king d1, queen g2, rook e1 c2, bishop f5, knight g1 b3, pawn a2 g3 f4 h4 c5.
Black: king b8, rook d8, bishop a3 h5, knight e3 f6, pawn d4 g4 a6 c6 b7 h7.
12 white and 12 black pieces are on the board; the puzzle position arises after move 21.
Solution & explanation
Main line
21. Rxe3 dxe3+ 22. Ke2 Bb4 23. Kxe3
Why it works
- Great move! rook to e3 keeps the pressure (+4.1).
- king to e2 develops smoothly.
- Precise: king to e3 is the top choice (+4.5).
- You reach a winning position (+4.5).
- If instead dxe3+, then Ke2 and you stay on top.
Types in this puzzle
Winning blow
Find the strike that wins material by force.
A winning blow is a forced material gain that does not fit a single textbook motif. The general tactical recipe applies: spot loose pieces, an awkwardly placed king, overloaded lines. Go through the forcing moves in order of violence — checks, captures, threats — because most combinations start with one of them. Do not judge by feel: calculate the concrete line until the outcome is beyond doubt.
Counter-strike
Don't defend — answer the threat with a bigger one.
The counter-strike: instead of defending against the threat, you answer with a bigger threat of your own. While your opponent grabs a pawn, you deliver mate — the arithmetic favors you. Look for a counter when direct defenses fail: do you have a check, an attack on the queen, a mating threat? The beginner's error is meeting every threat with a reflexive defense without checking the counterattacking resources first.
Provenance
Mined from the project's engine self-play games.
Verified by Stockfish at depth 20+.
Solution forcedness confirmed (verified).
Pack 006
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