Engines tell you the best move.
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Nxc7+forks the king and the rook on a8.
No signup, nothing to install. This is one moment from a real tournament game and exactly what Bodhi tells you about it.
Black’s rook has just moved to h8, and White’s bishop on e3 is the least active piece. Moving the rook from e1 to g1 puts it on the half-open g-file and protects the rook on c1, but it overlooks Black’s reply 42...Rh5.
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Bodhi explains what each move does and what was stronger, and every note is checked against the board before you see it.
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The positions you got wrong become short drills, so the lesson sticks.
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