About this opening
London System, with Be2 is an opening in the Encyclopedia of Chess Openings,
classified under code A48. ECO group A (A00–A99)
covers flank and irregular openings, including the English, Bird, Réti and Dutch defences. This particular variation is reached
after 9 half-moves from the
starting position, with the move sequence 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Be2.
The opening sequence in prose form: 1.d4 Nf6, 2.Nf3 g6, 3.Bf4 Bg7, 4.e3 d6, 5.Be2. From this position the encyclopaedia records no further canonical continuations — practical play branches into unnamed transpositions or returns to the parent line for alternative ideas.