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a1
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Step 1 / 2
Push to e8=Q and Black is fine. But e8=N+! comes with check and forks the king on g7 and the queen on c7. Promote to a knight.
Step 1 / 2
Push to e8=Q and Black is fine. But e8=N+! comes with check and forks the king on g7 and the queen on c7. Promote to a knight.