Pin: rook to b8
li-09c0kPuzzle rating: 2008Theme: Pin: a piece can't move without exposing something more valuable behind it.
Black to move — find the best continuation
The tactical motive
Pin: a piece can't move without exposing something more valuable behind it.
Black to move — find the best continuation
Solution & explanation
Main line
18... Rb8+ 19. Ka1 Nb4 20. Qxb4 Rxb4
Why it works
- Great move! rook to b8 keeps the pressure (+5.7).
- Well found: knight to b4 (+5.9).
- Strong! rook to b4 is the sharp choice (+6.0).
- You win a piece — the queen.
- If instead Ka1, then Nb4 and you stay on top.
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