<div style="font-family: &quot;Times New Roman&quot;; font-size: medium;">1. Rxa7! ( 1. Sh3 and 1. Se2 are both refuted by 1. ... Rh4! The try 1. Sf3? to threaten 2. Sg5 is uniquely refuted by 1. .. Rh1!)<br /><br />1. ... Rxa7 2. Sh3! (Here 2. Se2 with the same threat is refuted by 2. ... Rf7!) 2.  ... Rf7 3. Sg5 (now that e6 is covered White threatens 4. Rd8+) 3. ... Rd7 4. Se6 (White renews the threat of Sf4#) 4. ... Rf7 5. Re7! (Second rook sacrifice threatens 6. Sc7#)5. ... Rxe7 6. Sf4#.<br /><br />The key is not perfect (capturing a pawn to sacrifice the rook) but it does set up the theme of a double rook sacrifice and a continual diversion of the black rook).<br /></div><div style="font-family: &quot;Times New Roman&quot;; font-size: medium;">[Author]</div>