Coffin nail

7/28/2011 – Passive defence seemed hopeless to Black here in view of his exposed king, and he rather preferred to create counterthreats by playing 64...h3 (diagram). How would you assess the position after 65.Re7+ now? White... A)... wins the black queen by force B)... must eventually pin his hopes on a plus pawn in a rook ending C)... achieves only perpetual check; if he allows the black king to escape via h5-g4, Black even wins The solution is here, but first ponder over it with a larger version of the diagram.

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