<div class="user_solution"><div class="user_solution">1. Sa3? Kf1 2. Sc2 Kg1 3. Ke2 Kg2 4. <span id="solP1389798-10" style="background-color: transparent;">Se1+</span> <span id="solP1389798-11" style="background-color: transparent;">Kg1</span> <span id="solP1389798-12" style="background-color: transparent;">5.</span> <span id="solP1389798-13" style="background-color: transparent;">Sd3</span> <span id="solP1389798-14" style="background-color: transparent;">Kg2</span> <span id="solP1389798-15" style="background-color: transparent;">6.</span> <span id="solP1389798-16" style="background-color: transparent;">Sdf4+</span> <i><span style="background: transparent none repeat scroll 0% 0%;" id="solP1389798-17">transposes</span> <span style="background: transparent none repeat scroll 0% 0%;" id="solP1389798-18">to</span> <span style="background: transparent none repeat scroll 0% 0%;" id="solP1389798-19">main line of try</span></i><span style="background: transparent none repeat scroll 0% 0%;" id="solP1389798-20"></span> <br /><span id="solP1389798-21" style="background-color: transparent;">4.</span> <span id="solP1389798-22" style="background-color: transparent;">...</span> <span id="solP1389798-23" style="background-color: transparent;">Rxe1+!</span></div><div class="user_solution">4. Se3+ Kg1 5. Sd5 Kg2 6. Sdf4+ Kg1 7. Sxh3+ Kg2 8. S3f4+ Kg1 9. Kf3 Kf1 10. Sg2 Kg1 11. Shf4 Kf1 12. Se2 Rg1 13. Sg3#</div><div class="user_solution">2. ... Rg1!</div><div class="user_solution"><br /></div><div class="user_solution"><b>1. Sf4!</b> Kf1 2. Sd3 Kg1 3. Sc3 Kf1 4. Se4 Kg1 5. Ke2 Kg2 6. Sf4+ Kg1 7. Sxh3+ Kg2 8. Sf4+ Kg1 9. Kf3 Kf1 10. Sg2 Kg1 <span id="solP1389798-88">11.</span> <span id="solP1389798-89">Sg3?</span> <i>stalemate!</i></div><div class="user_solution"><span id="solP1389798-91">11.</span> <span id="solP1389798-92">Sc3</span> <span id="solP1389798-93">Kf1</span> <span id="solP1389798-94">12.</span> <span id="solP1389798-95">Se2</span> <span id="solP1389798-96">Rg1</span> <span id="solP1389798-97">13.</span> <span id="solP1389798-98">Sg3#</span><br /></div><div class="user_solution"><br /></div><div class="user_solution">Keywords: exchange of roles (SS over the full stipulation length), White correction, stalemate avoidance, double k-pendulum (g1-f1/g2), switchback (KSk,KSSk) , selfblock, square vacation, line closing (g1-g3), changed continuations (on 1. ... Kf1), annihilation (bPh3), meredith (gravure)<br /></div></div><br />