<div class="user_solution"> <span style="text-align:justify;display:block;" class="MsoNormal"><b><span style="font-size: 12pt; font-family: "AqChess","sans-serif";">1.Rf6!</span></b><span style="font-family: "AqChess","sans-serif";"></span></span> <span style="text-align:justify;display:block;" class="MsoNormal"><span style="font-size: 12pt; font-family: "AqChess","sans-serif";"><span> </span>[1.Rxh6? gxf4 2.gxf4 Kd7 3.Rf6 Rb4+ 4.Kxd5 Rxf4=;</span><span style="font-family: "AqChess","sans-serif";"></span></span> <span style="text-align:justify;display:block;" class="MsoNormal"><span style="font-size: 12pt; font-family: "AqChess","sans-serif";"><span> </span>1.Rxd5? Rxd5+ 2.Kxd5 Kd7 3.e6+ (<i>3.fxg5 hxg5 4.e6+ Ke7 5.Ke5 f4 6.gxf4 gxf4</i>=)<span> </span><span lang="EN-US"><span></span>3...Ke7 4.Ke5 gxf4 5.gxf4 h5 6.Kxf5 h4=;</span></span><span lang="EN-US" style="font-family: "AqChess","sans-serif";"></span></span> <span style="text-align:justify;display:block;" class="MsoNormal"><span lang="EN-US" style="font-size: 12pt; font-family: "AqChess","sans-serif";"><span> </span></span><span style="font-size: 12pt; font-family: "AqChess","sans-serif";">1. fxg5? hxg5 2. Rg6 (<i>2. Rf6 f4 3. gxf4 gxf4</i>=) 2... f4 3. gxf4 gxf4=]</span><span style="font-family: "AqChess","sans-serif";"></span></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><span style="font-size: 12pt; font-family: "AqChess","sans-serif";">1...gxf4</span></b><span style="font-family: "AqChess","sans-serif";"></span></span> <span style="text-align:justify;display:block;" class="MsoNormal"><span style="font-size: 12pt; font-family: "AqChess","sans-serif";">[1...Rb4+ 2.Kxd5 gxf4 3.gxf4 Rxf4 4.e6!+– (main line); </span></span><span style="text-align:justify;display:block;" class="MsoNormal"><span style="font-size: 12pt; font-family: "AqChess","sans-serif";"><span style="font-size: 12pt; font-family: "AqChess","sans-serif";"></span></span></span><span style="text-align:justify;display:block;" class="MsoNormal"><span style="font-family: "AqChess","sans-serif";"></span></span> <span style="text-align:justify;display:block;" class="MsoNormal"><span style="font-size: 12pt; font-family: "AqChess","sans-serif";"><span> </span><span> </span>1...</span><span lang="EN-US" style="font-size: 12pt; font-family: "AqChess","sans-serif";">Rb</span><span style="font-size: 12pt; font-family: "AqChess","sans-serif";">3 2.</span><span lang="EN-US" style="font-size: 12pt; font-family: "AqChess","sans-serif";">Rxf</span><span style="font-size: 12pt; font-family: "AqChess","sans-serif";">5 </span><span lang="EN-US" style="font-size: 12pt; font-family: "AqChess","sans-serif";">Rxg</span><span style="font-size: 12pt; font-family: "AqChess","sans-serif";">3 3.</span><span lang="EN-US" style="font-size: 12pt; font-family: "AqChess","sans-serif";">Rf</span><span style="font-size: 12pt; font-family: "AqChess","sans-serif";">7+ </span><span lang="EN-US" style="font-size: 12pt; font-family: "AqChess","sans-serif";">Kc</span><span style="font-size: 12pt; font-family: "AqChess","sans-serif";">6 4.</span><span lang="EN-US" style="font-size: 12pt; font-family: "AqChess","sans-serif";">Rf</span><span style="font-size: 12pt; font-family: "AqChess","sans-serif";">6+ </span><span lang="EN-US" style="font-size: 12pt; font-family: "AqChess","sans-serif";">Kc</span><span style="font-size: 12pt; font-family: "AqChess","sans-serif";">7 5.</span><span lang="EN-US" style="font-size: 12pt; font-family: "AqChess","sans-serif";">f</span><span style="font-size: 12pt; font-family: "AqChess","sans-serif";">5+–]</span><span style="font-family: "AqChess","sans-serif";"></span></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><span style="font-size: 12pt; font-family: "AqChess","sans-serif";">2.</span></b><b><span lang="EN-US" style="font-size: 12pt; font-family: "AqChess","sans-serif";">gxf</span></b><b><span style="font-size: 12pt; font-family: "AqChess","sans-serif";">4 </span></b><b><span lang="EN-US" style="font-size: 12pt; font-family: "AqChess","sans-serif";">Rb</span></b><b><span style="font-size: 12pt; font-family: "AqChess","sans-serif";">4+</span></b><span style="font-size: 12pt; font-family: "AqChess","sans-serif";"> </span></span> <span style="text-align:justify;display:block;" class="MsoNormal"><span lang="EN-US" style="font-size: 12pt; font-family: "AqChess","sans-serif";"><span> </span>[2...Kd7 3.Rxf5 Ke7 4.Rf6 Rb4+ 5.Kxd5+– (Mate in 47, Lomonosov Tables)] </span></span><span style="text-align:justify;display:block;" class="MsoNormal"><b><span style="font-size: 12pt; font-family: "AqChess","sans-serif";">3.</span></b><b><span lang="EN-US" style="font-size: 12pt; font-family: "AqChess","sans-serif";">Kxd</span></b><b><span style="font-size: 12pt; font-family: "AqChess","sans-serif";">5 </span></b><b><span lang="EN-US" style="font-size: 12pt; font-family: "AqChess","sans-serif";">Rxf</span></b><b><span style="font-size: 12pt; font-family: "AqChess","sans-serif";">4! 4.</span></b><b><span lang="EN-US" style="font-size: 12pt; font-family: "AqChess","sans-serif";">e</span></b><b><span style="font-size: 12pt; font-family: "AqChess","sans-serif";">6! Ra4</span></b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><span lang="EN-US" style="font-size: 12pt; font-family: "AqChess","sans-serif";"><span> </span><span> </span><span> </span>(4...Rf1 <span> </span>5.Rf7+ Kd8 <span> </span>6.Kd6!<span> </span>Rd1+ <span> </span>7.Ke5 f4 <span> </span>8.Kf6 f3<span> </span>9.Rf8+ Kc7<span> </span>10.Ke7 Rd3 <span> </span>11.Rf4 Re3 <span> </span>12.Rc4+ Kb7<span> </span>13.Kf7+-)</span></span><b><span lang="EN-US" style="font-size: 12pt; font-family: "AqChess","sans-serif";"><span> 5</span>.Rf7+ Kd8 <span> </span>6.Kd6! <span> </span>Rd4+ <span> </span>7.Ke5 Re4+ <span> </span>8.Kf6 f4 <span> </span>9.Rd7+ Kc8 10.Rd3 f3</span></b><b><span lang="EN-US" style="font-size: 12pt; font-family: "AqChess","sans-serif";"><span> </span>11.Rxf3 Kd8 <span> </span>12.Kf7+-</span></b><b><span lang="EN-US" style="font-size: 12pt; font-family: "AqChess","sans-serif";"></span></b> <span style="text-align:justify;display:block;" class="MsoNormal"><b><span lang="EN-US" style="font-size: 12pt; font-family: "AqChess","sans-serif";">1–0</span></b><span lang="EN-US"></span></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><span style="font-size: 12pt; font-family: "AqChess","sans-serif";"></span></b></span></div><br />
