<div class='user_solution'><span style="text-align:justify;display:block;" class="MsoNormal"><b>After S. Kryuchkov - Shakhmaty 1927 - (h2-f4) </b></span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>1.Bf1! Bxf2</u>+ </b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>main 1 :</b> 1...Be4 2.Qe3+! <i>(2.Qxe4 Bxf2+) </i>2...Kh5 3.Qxe4 1 3...Bxf2+ 4.Kf4 Be3+ 5.Kg3 Qxf1 6.Qe8+ Kh6 7.Qh8+ Kg6 8.Qg8+ Kf6 9.Qf8+ Kg5 10.Qg8+ Kh5 11.Qe8+!= <b>positional Draw</b></span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>2.Qxf2 Qxf1 3.Qxf1 h1N+! 4.Qxh1 </u></b></span> <span style="text-align:justify;display:block;" class="MsoNormal">4.Kh2? Bxg2 5.Bc1+ Nxc1 6.Qxc1+ Kf5 7.Qh6 g3+–+</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>4...Nc3</u> </b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>main 2</b> : 4...N5xd4 5.c6! <i>(5.Kf2? hxg2 6.Bc1+ d2 7.Bxd2+ Nxd2 8.Qh2 N2f3! 9.Qxg2 Nf5! 10.Qf1 g3+ 11.Ke2 Be4–+) </i>5...Ne2+ <i>(5...Bxc6 6.Be7+=) </i>6.Kf2!=</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>5.Bc1</u>+! </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">5.Kh2? Ne2! <i>(5...hxg2? 6.Bc1+! d2 7.Bxd2+ Nxd2 8.Qxg2 Nf3+ 9.Kh1 Ne2 10.b7 Bxb7 11.c6= </i>similar to solution<i>) </i>6.Qe1 g3+/h.g–+</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>5...d2 6.Bxd2+ Nxd2 7.Kh2</u>! </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">7.Kf2? hxg2 8.Qxg2 <i>(8.Qe1 g3+ 9.Ke3 Nf1+ 10.Kd3 Ne4 11.c6 Bxc6 12.Qc1+ Nfd2–+) </i>8...Nd1+ 9.Kg1 Bxg2 10.Kxg2 Ne3+ 11.Kf2 Nf5 12.b7 g3+ 13.Kg2 <i>(13.Ke1 Nf3+–+) </i>13...Kg4 14.b8Q Ne3+ 15.Kh1 g2+ 16.Kh2 Nf3#</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"></span><span style="text-align:justify;display:block;" class="MsoNormal"> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>7...hxg2 8.Qxg2 Nf3+ 9.Kh1 Ne2 10.b7</u>! </b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>Try I</b> : 10.c6? Bxc6 11.d5 Bxd5 12.b7 Bxb7 13.Qxe2 Nd4+ 14.Kh2 g3+ 15.Kh3 Bc8+!–+ no stalemate</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>10...Bxb7 11.c6</u>! </b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>Try II : </b>11.d5? Bxd5 12.c6 Bxc6 13.Qxe2 Nd4+ 14.Kh2 g3+ 15.Kh3 Bd7+!–+ no stalemate</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>11...Bxc6 12.d5</u> </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">12.Qxe2? Nxd4–+ similar a Try II</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>12...Bxd5 13.Qxe2 Nd4+ 14.Kh2 g3</u>+</b></span> <span style="text-align:justify;display:block;" class="MsoNormal">14...Nxe2= <b>stalemate</b></span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>15.Kh3 Be6</u>+ </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">15...Nxe2= <b>stalemate</b></span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>16.Qxe6</u>!= </b><b>White has avoided the jaques of bishop on c8 and d7<span> </span></b></span> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u><span style="text-decoration: none;"><br /></span></u></b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u><span style="text-decoration: none;"><br /></span></u></b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u><span style="text-decoration: none;"><br /></span></u></b></span></div>