Actually, in the "Left" solution, the Sparrow does cross the border (Black's first move) and then re-crosses back (White's third…
Black starts by changing one of the hoppers to W. Then uses his 3 remaining moves to walk his K…
A picture problem -"JV"! To get 2 accurate h#4 sequences with ideal mates is amazing. Usually, the content in picture…
Oops! In a) W _has_ to generate a BP on g6. So, 1.Qf7? wouldn't work... even if no BP was…
More on Sentinels utilisation...! 6. As a hurdle on d6 or f6 for BPao to guard WK flight e6 from…
Another cyclic extravaganza by PAP! A stunning and wonderfully unified synthesis of Sentinels, Anti-Andernach and Chinese line piece effects. All…
The Nao/Rao bug strikes again! Both having the same piece symbol in the diagram... 😉
Sad news. The inventor of Sentinels, C.K.Ananthanarayanan, passed away today: http://matplus.net/start.php?px=1442326865&app=forum&act=posts&fid=gen&tid=264&pid=13802#n13802
Only in the case of Chinese pieces, usage of Pao, Vao instead of Leo seems to be "accepted"! For the…
That used to be customary - using say, 3 Grasshoppers, instead of Grasshopper + Rook Hopper + Bishop Hopper. The…