D05Queen's Pawn Game
1.d4 d5 2.Nf3 Nf6 3.e3 e6
D05Queen's Pawn Game
Zukertort Variation
1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.Nbd2 c5 5.b3
D05Queen's Pawn Game
1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.Bd3
D05Queen's Pawn Game
Rubinstein (Colle-Zukertort) Variation
1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.Bd3 c5 5.b3
D05Colle System
1.d4 d5 2.Nf3 Nf6 3.e3 e6 4.Bd3 c5 5.c3