2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/132706This paper is part of a program of investigation of the chiral transition in Nf=2 QCD, started in Phys.Rev.D72:114510,2005. Progress is reported on the understanding of some possible systematic errors. A direct test of first order scaling is presented.7 pages, 6 figuresHigh Energy Physics - Latticetext