This program takes RetroSheet event files and generates chess-like ratings for each player. Every plate appearance is treated as a batter vs pitcher matchup. The K-value in the formula is dynamic depending on the result of the plate appearance
K-Values (reward/punishment intensity):
Strikeout: 1.05
Sac Fly: 0.8
Routine Out: 1
Double Play: 1.03
Single: 1
Double: 1.05
Triple: 1.1
Home Run: 1.15
Error: 1
Fielders Choice: 1
Hit By Pitch: 1