The conditions are: spells last one turn and one kind of spell is unsuable for the next 2 turns after being used.
Here is an example:
(Spell Chess puzzle #1):
White has 1 x freeze spell and 0 x jump spell.
Black has 0 x freeze spell and 0 x jump spell.
White to play and checkmate or capture Black's king in two moves.
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Answer:
1. freeze @ f7 & f4-f5+
(The freeze spell must be placed on f7 because it is the only square which freezes Black's king, rook and knight all at once and prevents Black from capturing the pawn checking the black king)
White has 1 x freeze spell and 0 x jump spell. Black has 0 x freeze spell and 1 x jump spell. White to play and checkmate or capture Black's king in three moves.
Here are a series of puzzles based on the Spell Chess variant featured on Chess.com ( https://www.chess.com/variants/spell-chess )
The conditions are: spells last one turn and one kind of spell is unsuable for the next 2 turns after being used.
Here is an example: