|Neutral piece:||Belongs to whichever side chooses to use it. It can therefore be moved or captured by White or Black, and in Circe it is reborn according to capture. A King may not be moved onto a square controlled by a neutral piece, because of self-check.|
|Anti-Circe:||After a capture the capturing piece (Ks included) must immediately be removed to its game array square (necessarily vacant, else the capture is illegal). Captures on the rebirth square are allowed in Anti-Circe Calvet and not allowed in Anti-Circe Cheylan. Game array squares are determined as in Circe: R, B & S go to the square of the same colour as the capture; Ps stay on the file of capture; fairy pieces go to the promotion square of the file of capture.|
No. 1569 Manfred Rittirsch
original - 25.12.2020
Neutral h3, f3, e3, h7
Solution: (click to show/hide)
(C+ by Popeye 4.85 & WinChloe 3.51)
1st solution (with model mate, sacrifice & promotion on g8) proves that strongest piece wB is a valid mating piece.
In 2 other solutions wB is sacrificed and neutral pieces mate nK by double-check!
Change of promotions nQ bS / nR bB (AUW).
Change of functions nB / nS (Guard of g4/mate).
2x Battery construction by occupation of rebirth squares with battery mates.
Zilahi (B, nB).
Chumakov (r, p[c2]). Reciprocal capture wB / bP.