<div class="user_solution"><span style="text-align:justify;display:block;" class="MsoNormal"><b><u>1.g5</u>! </b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>Try :</b> 1.Nh3+? Kxf3 2.g5 b5+! <i>(</i>not <i>2...fxg5? 3.Nxg5+ Kf4 4.Ne6+= </i>similar a solution<i>) </i>3.Kxb5 Be3 4.Ng1+ Kf2 5.g6 Bh6–+</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>1...fxg5 2.Nh3+ Kxf3 3.Nxg5+ Kf4 4.Ne6+ Ke5 5.Nc7</u>! </b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>Try :</b> 5.Nd8? Kd6 6.Kb5 Bb8 7.Nf7+ Kc7 8.Ne5 Kb7 9.Nc6 Bd6 10.Nd8+ Kb8 11.Ne6 Ka7–+ </span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>5...Bb8 6.Na8! Ba7 7.Nc7 Ke4</u> </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">7...Kd4 8.Nb5+=</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>8.Kb5</u>!</b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>Try :</b> 8.Kb3? Kf5! 9.Kc4 <i>(9.Nd5 Ke6 10.Nc7+ Kd7 11.Nb5 Bb8–+) </i>9...e6! <i>(</i>not <i>9...e5? 10.Nb5 Bb8 11.Kd5 e4 12.Nd4+ Kf4 13.Ne6+ Ke3 14.Ng5=) </i>10.Nb5 Bb8 11.Nd4+ Kf6 12.Kb5 e5 13.Ne2 Bc7–+</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>8...e5 </u></b></span> <span style="text-align:justify;display:block;" class="MsoNormal">8...Bb8 9.Na8 Kd3 10.Nxb6!=</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>9.Kc4 Kf3 10.Ne6 Ke2 11.Ng5</u>! </b></span> <span style="text-align:justify;display:block;" class="MsoNormal"><b>Try :</b> 11.Kd5? b5! 12.Nc7 <i>(12.Kxe5 b4 13.Nd4+ Kd3 14.Nb3 Kc3 15.Na5 Bb6–+) </i>12...b4 13.Kc4 Bb8! 14.Nb5 <i>(14.Nd5 Bd6!–+) </i>14...e4 15.Nd4+ Ke3 16.Nc2+ <i>(16.Nf5+ Kf4–+) </i>16...Kd2 17.Nxb4 e3 18.Nc6 Ba7 19.Ne5 e2 20.Nf3+ Ke3–+</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>11...Ke3 12.Ne6</u> </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">12.Nf7? Bb8–+</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>12...Bb8 13.Kb5</u>! </b></span> <span style="text-align:justify;display:block;" class="MsoNormal">13.Kd5? Kd3!–+</span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <span style="text-align:justify;display:block;" class="MsoNormal"><b><u>13...e4 14.Kxb6</u>= </b></span> <span style="text-align:justify;display:block;" class="MsoNormal"> </span> <p class="MsoNormal"> </p></div>