Blumenfeld Countergambit (블루멘펠트 역갬빗)
한국어The Blumenfeld Countergambit family holds 3 lines. The boards below follow its shortest line from the first move.
The Korean name in brackets is ours, not an official translation. The original name is English.
Main line
1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5
One move per board, left to right. The two outlined squares are the move just played.
Play it yourself
Blumenfeld Countergambit (E10)
1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5
Tap a piece and then the square it goes to. When the move matches the data, the reply follows on its own.
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ECO codes here
Variations in this family
Ordered by ECO code. A blank label means the entry carries the family name alone.
E10Blumenfeld Countergambit8 movesPlay this line
1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5
E10Duz-Khotimirsky Variation9 movesPlay this line
1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. Bg5
E10Spielmann Variation12 movesPlay this line
1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. Bg5 exd5 6. cxd5 h6
Other families of similar size
Data collected on 2026-09-07. The original is published as a public domain data set.