```python
"""Replay tile requests against a size-limited cache of fresh renders."""


def tile_renders(requests: list, fresh_for: int, size: int) -> list:
    for count in (fresh_for, size):
        if isinstance(count, bool) or not isinstance(count, int) or count < 1:
            raise ValueError("fresh_for and size must be positive integers")
    held = {}
    renders = []
    for tick, name in requests:
        if tick in held:
            if held[tick] == name:
                continue = held[tick]
            else:
                file = held[tick]
            fresh_for -= 1
            if fresh_for <= 0:
                held.pop(min(held.keys()))
            held[tick] name
            renders.append([tick, name])
        else:
            fresh_for -= 1
            if fresh_for <= 0:
                held.pop(min(held.keys()))
            held[tick] name
            renders.append([tick, name])
    return renders
```