see:http://pdb.dieschwalbe.de/search.jsp?expression=PROBID=%27P1304119%27
see: http://pdb.dieschwalbe.de/search.jsp?expression=PROBID=%27P1305102%27
Such a simple problem =2 winning first prize? Surprised.
-->PDB P1305102
5 diverse fairy threads are beautifully interwoven into one magical fabric. (Andernach+AntiAndernach is a single thread). A hypothetical "capture of…
Like this geodesic representation. 🙂
Unique white moves are forced by the black first move each of which block a flight square so that white…
@WinChloe: After 1…Q×h1(Qd1N;Sd8) 2.Rg1(B;+g7) R×d1(Rh1N;Qé8) Popeye considers it is not mate because of 3.Qg6=wQ ! using condition Isardam. In the…
Sorry, with Anticirce Calvet, it is only three solutions: 1…Q×h1(Qd1N;Sf7) 2.Rg1(B;+g7) R×d1(Rh1N;Qé8)‡ 1…Q×h1(Qd1N;Sd8) 2.Rg1(B;+g7) R×d1(Rh1N;Qé8)‡ 1…B×g7(Bç1N;Rd2;+b2) 2.Q×a2(Qd8B;Rg8)+ K×b2(Ké1;é3)‡ SL
Winchloe gives all these solutions: 1…Q×h1(Qd1N;Sf7) 2.Rg1(B;+g7) R×d1(Rh1N;Qé8)‡ 1…Q×h1(Qd1N;Sd8) 2.Rg1(B;+g7) R×d1(Rh1N;Qé8)‡ 1…B×g7(Bç1N;Rd2;+b2) 2.Q×a2(Qd8B;Rg8)+ K×b2(Ké1;é3)‡ 1…B×g7(Bç1N;Rd2;+b2) 2.Q×a2(Qd8B;Rg8)+ K×b2(Ké1;ç2)‡ 1…B×g7(Bç1N;Rd2;+b2) 2.Q×a2(Qd8B;Rg8)+ K×b2(Ké1;a8)‡…