Character matchup (SSBM)
A character matchup is a measure of how even a fight is between two characters in a tournament setting.
The chart offers several interesting analyses about the dynamics of the game and is also open to a variety of interpretations; players may use the chart to further their chances of tournament success by using it as a guideline for what matches to avoid, or as a constructive tool indicating how much they will have to improve a given character in order to overcome a difficult counterpick.
Below is the current matchup chart for Melee as of December 23rd, 2010. Due to the chart's age, it does not properly represent shifts and innovations in the metagame since it was made, so characters who have risen since previous iterations of the tier list, such as Dr. Mario, Pikachu, and Yoshi may have weaker matchup spreads shown than what is currently accurate. Additionally, characters who have had more weaknesses exposed since then, such as Jigglypuff and Peach, may have stronger spreads shown than what is accurate. Nevertheless, it generally still serves as a decent resource for estimating characters' best and worst matchups.
To use the chart, choose a character from the left side. That character's matchups are displayed in the corresponding row.