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Irina Krush vs Alexandra Kosteniuk · 2008 · move 31.

Which rook move from d1 enters the seventh rank?

Black’s rook and queen threaten White’s king, but Krush keeps active central pieces. The knight reaches d6 and both rooks later enter the seventh rank. A bishop capture on e6 changes which heavy pieces can survive. Compare the competing threats through each exchange instead of counting attackers only around one king.

Before reaching for a move, identify the opponent’s immediate threat and the piece you most want to improve. Then compare checks, captures and quiet moves. The complete interactive lesson will let you test your answer without revealing the historical continuation first.

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