<p style="line-height: 12pt;"><font size="4" face="Times New Roman"><span lang="EN-US">If black King will be on e5 a general plan 1.Rd4 – 2.Rd5# will be OK. So, in first black King must be deflected on e5 and, in second, white Knight must be stands on f6 for attack a field d5.</span><span lang="EN-US"></span></font></p><p></p><p></p><p></p><p></p><p style="line-height: 12pt;"><font size="4" face="Times New Roman"><b><span lang="EN-US">1.Rg4+! Kf5!</span></b><span lang="EN-US"> (1…Kh5? 2.Kxf6 Se2 3.Rg2 Kh4 4.Kg6 Sf4+ 5.ef4 – 6.Rg4#, 1…Kh6? 2.Se4 Kh5 3.Sxf6+) </span><span lang="EN-US"></span></font></p><p></p><p></p><p></p><p></p><p style="line-height: 12pt;"><font size="4" face="Times New Roman"><b><span lang="EN-US">2.Rf4+ Kg5 3.Se4+ Kh5 </span></b><span lang="EN-US"></span></font></p><p></p><p></p><p></p><p></p><p style="line-height: 12pt;"><font size="4" face="Times New Roman"><b><span lang="EN-US">4.Sxf6+</span></b><span lang="EN-US"> (WS on f6) </span><span lang="EN-US"></span></font></p><p></p><p></p><p></p><p></p><p style="line-height: 12pt;"><font size="4" face="Times New Roman"><strong><span lang="EN-US">4...</span></strong><span lang="EN-US"> <b>Kg5 5.Rg4+</b> (Switchback)  </span><span lang="EN-US"></span></font></p><p></p><p></p><p></p><p></p><p style="line-height: 12pt;"><font size="4" face="Times New Roman"><b><span lang="EN-US">Kf5 6.Rh4!</span></b><span lang="EN-US"> (&gt;7.Rh5#) </span><span lang="EN-US"></span></font></p><p></p><p></p><p></p><p></p><p style="line-height: 12pt;"><font size="4" face="Times New Roman"><strong><span lang="EN-US">5...</span></strong><span lang="EN-US"> <b>Ke5. </b>Black King stands on e5 and general plan is working: </span></font></p><p></p><p></p><p></p><p></p><p style="line-height: 12pt;"><font size="4" face="Times New Roman"><b>7.Rd4!</b><b><span lang="EN-US"> Kf5 8.Rd5#</span></b><span lang="EN-US"> model. </span></font></p><p></p><p></p><p></p><p></p><p style="line-height: 12pt;"><font size="4" face="Times New Roman"><b><span lang="EN-US">2…Ke5 3.Rd4! bc4 4.Sg4+ Kf5 5.Rf4+ Kg5 6.Sh2!,</span></b><span lang="EN-US"> and </span></font></p><p></p><p></p><p></p><p></p><p style="line-height: 12pt;"><font size="4" face="Times New Roman"><b><span lang="EN-US">7.Sf3+ Kh6 8.Rh4#</span></b><span lang="EN-US"> model, </span><span lang="EN-US"></span></font></p><p></p><p></p><p></p><p></p><p style="line-height: 12pt;"><font size="4" face="Times New Roman"><b><span lang="EN-US">7…Kh5 8.Rh4# </span></b><span lang="EN-US">model – nice 2^nd variant.</span><span lang="EN-US"></span></font></p><p></p><p></p><p></p><p></p><p style="line-height: 12pt;"><span lang="EN-US"><font size="4" face="Times New Roman">This is a hybrid between Bohemian and New German styles. </font></span></p><p></p><p></p><p></p><p></p><p></p>