BOLD: Freshman Sam Jacobson, left, makes a move against senior Alon Keiter in the chess club’s championship match April 24.

LEAD: No. 11 junior Arielle Grossman was the Firehawk’s top scorer Monday night with 26 points, including seven threes.

SONG: With a photo of Israel’s Jezreel Valley behind them, the Choirhawks sang "Shir Ha’Emek," a pioneer song about that valley,...