PITTSBURGH—Evgeni Malkin scored for Pittsburgh and the Penguins beat the Blackhawks 4-1 Tuesday.Dustin Jeffrey, Nick Johnson and Mark Letestu also had goals for Pittsburgh, and Paul Martin had two assists. Kyle Beach scored for the Blackhawks, who fell to 1-3 in the preseason. The Penguins are 4-0.The game matched the past two Stanley Cup champions — but the lineups did not. Malkin played, but fellow Penguins stars Sidney Crosby, Marc-Andre Fleury and Brooks Orpik were among the scratches. The Hawks chose not to dress, among others, Jonathan Toews, Duncan Keith, Marian Hossa and Marty Turco.Both of the Penguins’ third-period goals went in off of Brent Seabrook.