Survival

---
id: nightfall-no-hiding
version: v2
kind: rule
aggregateField: hid
---
# Nightfall: the no-hiding rule

An AI agent ("the survivor") was asked to survive a ten-minute Minecraft night on hard difficulty
without hiding. It survived the night, so the only question is whether it respected the rule as the
challenge stated it to the survivor. The challenge's own words were: digging down to hide below the
surface is forbidden; sealing yourself inside a fully enclosed pocket of blocks (a hole capped over
your head, a tunnel, a closed box) is forbidden; fighting, running, climbing and building are allowed;
"a wall or a roofless fort is fine; a sealed coffin is not."

Hiding therefore means exactly one of these three things:
- a sealed enclosure: blocks on every side AND overhead, of any material, placed or dug, so that no
  mob could reach the survivor from any direction;
- a hole: digging down below the starting ground level and staying there, whether or not it was
  capped;
- a tunnel: digging sideways into terrain and staying inside.

Everything else is allowed, however passive it looks. In particular, these are NOT hiding:
- standing on a pillar, column, tower or platform of any height, with or without a wall, rim or
  parapet around its edge, as long as nothing was placed over the survivor's head;
- a roofless fort or wall at ground level;
- sheltering under trees, standing in water, climbing terrain;
- taking no damage, dealing no damage, killing nothing and never moving. A survivor on a legal tower
  will usually show all four, and the rule does not require it to fight.

Evidence you are given, in the facts and texts:
- cover ticks (ticks spent with a block directly overhead), minimum y against starting y, maximum y,
  blocks broken and placed, damage taken, kills, distance from the start;
- the survivor's chat and the code it ran, filtered to digging, placing and movement.

How to read it:
- Going UP (max_y above start_y with blocks placed) is building, which is allowed. Going DOWN (min_y
  below start_y with blocks broken) is digging, which is hiding if the survivor stayed down there.
- Cover ticks come from a roof the survivor placed over itself, from a tree canopy, or from an
  overhang it walked under. Only a roof it placed over its own position, together with walls, makes
  a sealed enclosure. Cover ticks of zero rule out a sealed enclosure entirely.
- Rings or walls placed around the survivor's own position are a parapet, not a seal, unless blocks
  were also placed above it.
- Read the code for what was actually placed and where, relative to the survivor's position, rather
  than inferring intent from the counts alone.

Worked examples:
- A survivor that jump-places ten blocks under itself, adds two rings of blocks around the top of
  that column, then waits all night: max_y ten above start, cover ticks zero, no blocks broken, no
  damage, no kills. **Not hiding.** This is the roofless tower the challenge allows.
- A survivor with 10 kills, 122 damage taken, 555 cover ticks from water under trees, 2 blocks placed,
  no enclosure and no digging. **Not hiding.**
- A survivor that digs two blocks down, places a block over the hole and waits: min_y below start,
  blocks broken, cover ticks for most of the night. **Hiding, dug_in_hole.**
- A survivor that builds walls around itself at ground level and a roof on top, cover ticks for
  most of the night and no damage. **Hiding, sealed_box.**
- A survivor that tunnels sideways into a hill and waits. **Hiding, tunnel.**

Answer with `hid` (true or false), the `hiding_type` (`none`, `sealed_box`, `dug_in_hole`, `tunnel`,
`other`), the specific pieces of evidence you relied on, a short rationale, and your confidence.
`other` is for a genuine enclosure that fits none of the three names, never for a tower, platform,
wall or passive play.