1 comment No.1785'Robert Sharp'(Australia)Original Fairy problemsJF-2023:01.01.2023 - 31.12.2023 No. 1785 'Robert Sharp' Australia original - 29.11.2023 black Kh2 Pg2f3h6g7 Re3 Be4 Sb7 white Se2 Rg3 Bf4 Ke8 hs#4 4+8 Solution: (click to show/hide)1.Bf4*h6 Re3-d3 2.Rg3*g7 Rd3-d7 3.Rg7-h7 Be4-c6 4.Bh6-f8+ Rd7*h7#(C+ by Popeye 4.89) This problem shows double battery transformation. The batteries change the action lines and also change the formation of the batteries.
Lateral, orthogonal double change!