Round 3 of the Campeonato de Sevilla 2026 starts Sunday in Alcalá de Guadaíra. Spain's 57th International Championship runs eight rounds on the Swiss format with 90 minutes plus 30 seconds per move. The tournament draws strong Iberian talent competing for rating points and local bragging rights. Early pairings shape the entire middle game, so Round 3 separates the serious contenders from the pretenders fast.