Published <span class="entry-date"><time class="entry-date" datetime="2019-01-29T14:32:23+00:00">January 29, 2019</time></span> at <a href="https://markalowery.net/wp-content/uploads/2019/01/rook_w33-23.gif">33 × 33</a> in <a href="https://markalowery.net/Chess/Checks_Checkmate/Complex_Checkmates/Gueridons_Mate/gueridons_mate.html" rel="gallery">Gueridon’s Mate (also called Swallow-tail Mate or Swallowtail Mate)</a>