The Princess Bride (5/12) Movie CLIP - The Battle of Wits (1987) HD

Movieclips · 6.5M views · 2015 · 4:09

Open on YouTube

Film & TV clipsProbability & game theorycomedy

Why Hacker News recommends it

Mostly used as a joke or parody reference, and occasionally as the canonical illustration of leveled, second-order thinking.

What it is

The poison goblet scene from The Princess Bride, in which Westley tricks Vizzini in a battle of wits. It is a famous example of nested reasoning.

Recommended by 0 HN commenters across 0 different months, 2022 to 2025.

What Hacker News said

Cites morley · 2022-08 · on “Second-Order Thinking”

Leveled thinking is common in competitive games, for obvious reasons. There's no better illustration of what you're talking about than the poison scene in Princess Bride: [this video] The way I've heard most competitive gamers talk about the line between leveling and tail-chasing is to play at level 2: Level 1: The obvious strategy Level 2: Strategy that beats the obvious strategy <-- Default to this level Level 3: Strategy that beats level 1 The problem is, if you're playing in a competitive environment, everyone knows about leveling, so you may actually gain more edge by picking a strategy randomly. I've heard competitive Magic player Huey Jensen would make random plays when he was behind on th