<div class="user_solution"><p class="MsoNormal"><b><span lang="EN-US" style="font-size: 14pt; line-height: 115%; font-family: "Times New Roman", serif;">Pelle Theme (</span></b><span lang="EN-US" style="font-size: 14pt; line-height: 115%; font-family: "Times New Roman", serif;">x5 moves; perhaps shown here for the second time in a threemovers problem)</span></p><p class="MsoNoSpacing"><span lang="EN-US" style="font-size: 14pt; font-family: "Times New Roman", serif;">Pacioli/Pelle moves: Rooks: orthogonal and horizontal; Pawns: diagonal, orthogonal and <i>en passant</i>; Queen: diagonal<o:p></o:p></span></p><p class="MsoNormal"><span lang="EN-US" style="font-size: 14pt; line-height: 115%; font-family: "Times New Roman", serif;"> </span></p><p class="MsoNoSpacing"><b><span lang="EN-US" style="font-size: 14pt; font-family: "Times New Roman", serif; color: rgb(192, 0, 0);">1.Rd2!</span></b><span lang="EN-US" style="font-size: 14pt; font-family: "Times New Roman", serif;"> [2.Rexe2#]<o:p></o:p></span></p><p class="MsoNoSpacing"><span lang="EN-US" style="font-size: 14pt; font-family: "Times New Roman", serif; color: rgb(192, 0, 0);">    1...Re3  2.cxd5</span><span lang="EN-US" style="font-size: 14pt; font-family: "Times New Roman", serif;">*<span style="color: rgb(0, 32, 96);"> </span>[3.Qxa4#] <span style="color: rgb(192, 0, 0);">e5 3.dxe6 e.p.#</span><span style="color: rgb(0, 32, 96);"> </span>(Pelle Theme)<o:p></o:p></span></p><p class="MsoNoSpacing"><span lang="EN-US" style="font-size: 14pt; font-family: "Times New Roman", serif;">                                                2...Bxd5+  3.Bxd5#<o:p></o:p></span></p><p class="MsoNoSpacing"><span lang="EN-US" style="font-size: 14pt; font-family: "Times New Roman", serif;">                                                2...e6  3.d6, dxe6#<o:p></o:p></span></p><p class="MsoNoSpacing"><span lang="EN-US" style="font-size: 14pt; font-family: "Times New Roman", serif;">1...f3  2.Bg3 [3.gxf3#] f2/fxg2  3.Rexe2#<o:p></o:p></span></p><p class="MsoNoSpacing"><span lang="EN-US" style="font-size: 14pt; font-family: "Times New Roman", serif;"> </span></p><p class="MsoNoSpacing"><span lang="EN-US" style="font-size: 14pt; font-family: "Times New Roman", serif;">1...Rxe1  2.Rd4#<o:p></o:p></span></p><p class="MsoNoSpacing"><br /></p><p class="MsoNoSpacing"><span lang="EN-US" style="font-size: 14pt; font-family: "Times New Roman", serif;">*4 tries by white Queen on the second move (every mate in 3 actually contains a mate in 2, a fact that should be appreciated):<o:p></o:p></span></p><p class="MsoNoSpacing"><span lang="EN-US" style="font-size: 14pt; font-family: "Times New Roman", serif;"> </span></p><p class="MsoNoSpacing"><span style="font-size: 14pt; font-family: "Times New Roman", serif;">2.Qb5? [3.Qb1#] f3!<o:p></o:p></span></p><p class="MsoNoSpacing"><span style="font-size: 14pt; font-family: "Times New Roman", serif;">2.Qb8? [3.Qb1#]  f3  3.Rxe3#; <span style="color: rgb(192, 0, 0);">2...Qb7!<o:p></o:p></span></span></p><p class="MsoNoSpacing"><span style="font-size: 14pt; font-family: "Times New Roman", serif;">2.Qxa4? [3.Qc2, cxd5#]  Qxa8!<o:p></o:p></span></p><p class="MsoNoSpacing"><span style="font-size: 14pt; font-family: "Times New Roman", serif;">2.Qc8? [3.Qf5#] Be6 3.Qxe6#: 2...e6!<o:p></o:p></span></p><p class="MsoNoSpacing"><span style="font-size: 14pt; font-family: "Times New Roman", serif;"> </span></p><span class="MsoNoSpacing" style="text-align:justify;display:block;"><b><span lang="EN-US" style="font-size: 14pt; font-family: "Times New Roman", serif;">Author´s note :</span></b><span lang="EN-US" style="font-size: 14pt; font-family: "Times New Roman", serif;"> In this problem Pelle´s theme is perhaps shown for the second time in a threemovers problem. All the moves in thematic variation are made by pinned pieces which continue to be pinned after moving. </span><span lang="EN-GB" style="font-size: 14pt; font-family: "Times New Roman", serif;">In my opinion, King´s  flight is excusable in this case,  because of the complexity of the challenge (a priori this difficult theme was not attainable in a threemovers). </span><span lang="EN-US" style="font-size: 14pt; font-family: "Times New Roman", serif;">Perhaps shown for the first time in my problem published in <i>Pat a Mat</i> 107, March 2019, problem 22. </span><span lang="EN-GB" style="font-size: 14pt; font-family: "Times New Roman", serif;"><o:p></o:p></span></span><p class="MsoNormal"> </p><span class="MsoNormal" style="text-align:justify;display:block;"><span lang="EN-US" style="font-size: 14pt; line-height: 115%; font-family: "Times New Roman", serif;">For the attribution  of Pelle´s move to Luca Pacioli (c.1445-1517) see my article: «Luca Pacioli, padre del <i>movimiento Pelle</i>». </span><i><span style="font-size: 14pt; line-height: 115%; font-family: "Times New Roman", serif;">Sinfonie scacchistiche, 131</span></i><span style="font-size: 14pt; line-height: 115%; font-family: "Times New Roman", serif;">, Gennaio-Marzo, 2018, pp. 217-220.<o:p></o:p></span></span></div><br />