Feature request: New Condition "Antiguards"

[nshram]

This was invented in 2023 by K.Seetharaman, the inventor of the related "Superguards" condition.
No article or original was published, but Christian Poisson programmed it in v4.00 of WinChloe.
Subsequently, it was also used in two entries (see below) in the Seetharaman 75-JT.
Definition: A piece can only be captured if it is guarded by a piece of its own colour.

S.K.Balasubramanian & Vlaicu Crişan: (a) 1...Kg4 2.Kh6 Se6 3.Bh4! Kg5#. (b) 1...Sh7 2.Kh8 g7 3.Ba1! g8R#.

S.K.Balasubramanian (a) 1...Kc5 2.Qg5 Kd6 3.g6 Ke7#. (b) 1...f7 2.Qd6 Kc6 3.Bg6 f8Q#.

[nshram]

The article on Antiguards with 5 originals has now appeared in the November 2024 issue of The Problemist:

Also, an original by Italian composers appeared in Problem-Paradise April 2024: