Blumenfeld Countergambit: Duz-Khotimirsky Variation

An entry in the Encyclopedia of Chess Openings (ECO E10), reached after 9 half-moves: 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. Bg5.

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No further variations branch from this position in our database. To explore neighbouring ideas:

About this opening

Blumenfeld Countergambit: Duz-Khotimirsky Variation is an opening in the Encyclopedia of Chess Openings, classified under code E10. ECO group E (E00–E99) covers Indian defences against 1.d4, covering the Nimzo-Indian, Queen's Indian, King's Indian and Catalan systems. This particular variation is reached after 9 half-moves from the starting position, with the move sequence 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. Bg5.

It belongs to the Blumenfeld Countergambit family. Within that family this is a sub-variation (the Duz-Khotimirsky Variation line).

The opening sequence in prose form: 1.d4 Nf6, 2.c4 e6, 3.Nf3 c5, 4.d5 b5, 5.Bg5. 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.