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Adolf Anderssen vs Jean Dufresne · 1852 · move 17.

Can a forcing move change the pawn shield around Black’s king?

Anderssen’s Berlin game against Jean Dufresne is remembered as the Evergreen Game. The spectacular finish grows out of open lines and coordinated pieces, but Black has counterplay too. Study both kings rather than assuming that the side attacking first is automatically safe.

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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