Chalk up
Definition 1 of 2
Pro Tip 1/3Achievement Context
Used after something is successfully gained, especially in sports or competition. 
After hours of practice, he chalked up a high score.
Pro Tip 2/3Celebratory Tone
Often carries a positive and congratulatory meaning when mentioning someone's achievements. 
They chalked up another successful project completion.
Pro Tip 3/3Metaphorical Usage
Chalk is not literally used; it's a figurative way of keeping score. 
She chalked up enough points to win the match.