"Big board": "Gran tablero",
"Bishop versus pawns": "Alfil contra peones",
"Board upside down": "Tablero al revés",
+ "Borrow powers": "Pedir prestado poderes",
"Both sides of the mirror": "Ambos lados del espejo",
"Build towers (v1)": "Construir torres (v1)",
"Build towers (v2)": "Construir torres (v2)",