ECO E10
Blumenfeld Countergambit
The position after 1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5.
Blumenfeld Countergambit
8 half-moves in · 1 named continuation
8♜
♞
♝
♛
♚
♝
♜
7♟
♟
♟
♟
♟
6
♟
♞
5
♟
♟
♙
4
♙
3
♘
2♙
♙
♙
♙
♙
♙
a1♖
b♘
c♗
d♕
e♔
f♗
g
h♖
1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5
Blumenfeld Countergambit is filed under ECO E10. It is the position after 1.d4 Nf6 2.c4 e6 3.Nf3 c5 4.d5 b5 — 8 half-moves in, with White to move. From here theory names one continuation, Bg5.