MAGGE THEME
A theme in problems where four black interferences are included by four possible moves of two black pawns. The two pawns, by the very conditions, must stand on their original squares (BCM 55/245).
MAGGE THEME
August 1, 2026
ECHESSPEDIA
August 1, 2026
A theme in problems where four black interferences are included by four possible moves of two black pawns. The two pawns, by the very conditions, must stand on their original squares (BCM 55/245).