Attack on the uncastled king: pawn to d5 (c4·48)
c9-04597naming tag (square·N)Shuffle Rating 780Theme: 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. cxd5 b5 6. Qd4 O-O 7. Kf2
Why it works
- Great move! pawn to d5 keeps the pressure (+5.5).
- queen to d4 develops smoothly.
- Precise: king to f2 is the top choice (+5.1).
- You win a piece — the queen.
- If instead b5, then Qd4 and you win the queen.
About this position
These pieces come from starting position #160.
SP-160 · BastionGuard — Both knights begin inside the board while the king stands on c or f; a position and its mirror twin share this family.
Explore position #160Similar puzzles
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