Ponziani Opening Jaenisch Counterattack Defensive Move Chess Puzzles

The ponziani opening jaenisch counterattack defensive move is a Black defensive idea against the Ponziani Opening, usually arising after 1.e4 e5 2.Nf3 Nc6 3.c3 Nf6. The defining feature is the Jaenisch-style counterattack with ...Nf6 and an immediate challenge to White’s center, often aiming for ...d5 or pressure on e4 rather than passive development.