Attack on the uncastled king: rook to a4 (a1·8)
c9-06679Puzzle rating: 1062Theme: Chess960 twist: use the unusual starting setup of the pieces.
White to move — find the best continuation
The tactical motive
Chess960 twist: use the unusual starting setup of the pieces.
White to move — find the best continuation
Solution & explanation
Main line
5. Rxa4 b5 6. Ra1 a5 7. d4
Why it works
- Great move! rook to a4 keeps the pressure (+3.4).
- rook to a1 develops smoothly.
- Precise: pawn to d4 is the top choice (+3.3).
- You win a piece — the bishop.
- If instead O-O, then Ra2 and you win the bishop.
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