Add Quarto

Quarto.md

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+Here’s a **concise, one-page rules summary for the board game *Quarto***.
+(Formatted in clean markdown so you can paste it into a Quarto document if you want.)
+
+---
+
+# **Quarto – One-Page Rules Summary**
+
+## **Objective**
+
+Be the first player to create a line of **four pieces that share at least one common attribute**.
+
+## **Components**
+
+* **4×4 board**
+* **16 unique pieces**, each defined by four attributes:
+
+  * **Color:** light / dark
+  * **Shape:** square / round
+  * **Height:** tall / short
+  * **Top:** solid / hollow
+
+Every combination exists exactly once.
+
+---
+
+## **Gameplay Overview**
+
+### 1. **Setup**
+
+* Place the empty board between players.
+* All 16 pieces are available off the board.
+
+### 2. **Turn Structure**
+
+Unlike most games, **you do not choose your own piece**.
+A turn consists of two actions:
+
+1. **Your opponent chooses a piece** and gives it to you.
+2. **You must place that piece** on any empty board space.
+
+After placing the piece:
+
+* If you formed a winning line → **declare “Quarto!”** and win.
+* If not, choose a piece for your opponent’s next turn.
+
+Players alternate.
+
+---
+
+## **Winning**
+
+Immediately after placing a piece, you win if you complete **a line of four pieces** (row, column, or diagonal) with **any one shared attribute**, such as:
+
+* All tall
+* All round
+* All dark
+* All solid
+* Or any other single attribute shared by all four pieces.
+
+### Important:
+
+* A winning line only counts **when the piece is placed**, not when a piece is handed to a player.
+
+---
+
+## **Draw**
+
+If all 16 pieces are placed and no winning line exists → the game is a **draw**.
+
+---
+
+## **Optional Variant: “Quarto+”**
+
+After receiving a piece, a player may instead **reject it and choose any other available piece** to place, but may only do this **once per game**.
+
+---
+
+If you’d like this turned into a **print-ready Quarto (.qmd) file**, a **graphic cheat sheet**, or a **diagram-based rules page**, just tell me!