
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
In a local chess club, there are 15 participants. Among them, 5 are instructors. During a practice session, each member of the club, including other instructors, plays one game against each instructor. How many games are played during this session?

Present the answer in LaTex format: \boxed{Your answer}
user