Chess tactic
Advantage Puzzle (1857)
After the setup move Rxf1+, it is White to move. Find the forcing continuation before checking the solution.
What to look for
Convert a tactical opportunity into a lasting advantage, often by winning material or forcing a favorable ending.
Solution
21. Rxf1 21... Qe8 22. Rf8+ 22... Qxf8 23. Nxf8The full forcing line from the source position is:
20... Rxf1+ 21. Rxf1 21... Qe8 22. Rf8+ 22... Qxf8 23. Nxf8
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