<p class="MsoNormal"><span lang="EN-US">Now a general plan 1.Se2 is too lazy, black Ra3 guards a field g3. In preventive maneuver third line will be  interfered twice. </span></p><p class="MsoNormal"><span lang="EN-US"><b>1.Kg7!</b> (&gt;2.Bxg6#) </span></p><p class="MsoNormal"><span lang="EN-US"><b>1. ... Bxb2+</b> (1…Be8, Bxc2 2.Bxe8, Rxc2) </span></p><p class="MsoNormal"><span lang="EN-US"><b>2.c3! Bxc3+</b> (2…Bc2 3.d3 etc. – see solution)  </span></p><p class="MsoNormal"><span lang="EN-US"><b>3.Kh7! Bc2 4.d3! Bxd3.</b><o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US">At moment a general plan is sound: </span></p><p class="MsoNormal"><span lang="EN-US"><b>5.Se2!</b> (&gt;6.Sxg3#). Black has only </span></p><p class="MsoNormal"><span lang="EN-US"><b>5. … Be1</b>, and <b>6.Bh6!</b> (&gt; 7.Sf4#) <b>Bxe2 7.Bxg6#</b> - model mate by all rest pieces by White.<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US">No white checks!<o:p></o:p></span></p>