The annual Youth Chess Tourney in Santa Cruz county is slated to be held tomorrow in Aptos. 6 to 18 year-old chess players are welcome to join Aptos Library chess master Dana McKenzie at the Aptos Library between noon and 4 p.m. Sign-in runs from noon to 12:30, and the rounds will begin at 1, 2, and 3 p.m. The prize ceremony is scheduled to begin at 4 p.m.