Back-rank mate in 2 on a1 (a3)
li-01czgPuzzle rating: 703Theme: Back rank: the king is trapped behind its own pawns — use that.
Black to move — find the best continuation
The tactical motive
Back rank: the king is trapped behind its own pawns — use that.
Black to move — find the best continuation
Solution & explanation
Main line
29... Qa1+ 30. Rb1 Qxb1#
Why it works
- Great move! queen to a1 keeps the pressure (#1).
- Well found: queen to b1 (#).
- The line ends in a forced mate in 2.
- If instead Rb1, then Qxb1# and it is mate.
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