David Smerdon introduces the Fighting Chess Index

Unlike other sports, chess allows for players to agree to a draw, be it explicitly or implicitly — for example, by entering a forced line that leads to a threefold repetition. Many workarounds have been proposed to prevent this from happening too often, but at the end of the day, it mostly has to do with how ‘fighting’ a player is. But how to measure the players’ combativeness? GM David Smerdon has developed a method to answer this question.