The IRT Sub2400 "Jueves de Invierno" kicked off in Santa Fe, Argentina with Round 1 now underway. This seven-round Swiss brings together players under 2400 rating in a 60-minute format with 30-second increments. The event runs the classic winter Thursday series, drawing regional talent competing for rating points and bragging rights. Early pairings show the field is tight, exactly what you want from a sub-2400 competition where anyone can punish loose play.