PHILIDOR'S DEF. - "Exchange" Var.
The Paulsen Attack
Black pushed his QPawn on from Q3(d6) to Q4(d5),
challenging White's KP to continue. White'sK4(e4) Pawn removes Black's
QP, planning 5..QxP, 6.Q-K2+ch to upset Black's
development.
White Black
1. P-K4 P-K4
2. Kt-KB3 P-Q3
3. P-Q4 PxP
4. KtxP P-Q4
5. PxP