Chess Opening Explorer
With the chess opening explorer you can browse millions of games and find the most played moves. It's a great tool for learning and studying chess.
Popularity of e2e4 by ELO
Popular Next Moves
Games: The number of games the move was played
Strength: A statistical analysis of the strenght of the move. The analysis is based on the strenght of the players ELO and the win/loss ratio of the game result. A higher number means that players with higher ELOs have chosen the move more often.