Cooked by .... pacemaker: 4.Ke1xBd2->e1 Bc1-d2 5.Ke1xBd2->e1 Kf8-e7 6.Ka5xBb5->e1 then 1.g6-g7+ K~ #
Good to see a Proca retractor with thematic variations, just for once! The three variations after bQ moves are echo-like,…
The content is impressive enough and at first look the construction is also impressive - single non-thematic bSb4 to guard…
For 509.1 I found hardly a cook: 1.Sf3 Sc6 2.Se5 Sd4 3.Sxd7-Sd5 Sxe2-Se3 4.Sxe7-Se6 Sxf1-Sb5 5.Sxf8-Se7 Qxd2-Qd3 6.Bh6 gxh6-c1=Q! 7.f4…
Every piece except Sc5 (which guards a flight-square in the mates) is involved in the thematic play! There are no…
A good clarification. Bd1 does obstruct Qb3, but Qb3 does not obstruct Bd1 (so the obstruction is not mutual). I…
However the idea is the same in the first solution: the nQ goes to d1 and captures nPb3 so that…
So there is actually a mutual obstruction of Rb1 and Sa1 in the second solution! (Of course, the obstruction cannot…
Thanks Eric!!!
Nikola, you are right about the explanation of the second solution. The purpose of the move 1...nRa1 is not to…