Oak Heights Principal Todd Barrett, above left, tests his skills against the school’s chess champion, sixth-grader Miguel Estrada, right, on June 10. Miguel, holding his trophy, right, won the first-ever (at least in recent years) Oak Heights Chess Championship tournament. Teacher Melissa Kruzel, who organized the tournament, said “Miguel, a hard-of-hearing student, demonstrated incredible focus and strategic thinking throughout the season, making his win all the more inspiring.” Twelve students participated…