Chess

1. Story

1.1. Queen Gambit

2. Player

2.1. feel

2.1.1. realistic

2.1.2. interesting

3. Real feeling

3.1. Trial play

3.1.1. endgame

3.1.2. opening

4. Aim

4.1. entertainment

4.2. interact

4.3. education

4.4. attract more people to play chess

5. introduction

5.1. rules

5.1.1. Strategy

5.1.2. Setup

5.1.3. Theory

5.2. movement

5.2.1. vertically

5.2.2. horizontally

5.2.3. diagonally

5.2.4. "L" shape