Tree path 2 levels Indian Defense: Anti-Nimzo-Indian › Blumenfeld Countergambit
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E10

Blumenfeld Countergambit

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Overview

Blumenfeld Countergambit belongs to the gambit family of chess openings (ECO E10, Indian Defenses). It trades material for attacking chances — a classic trade-off that has fascinated players from the Romantic era to modern correspondence chess.

The Indian Defenses group covers Indian defences — hypermodern lines where Black challenges the centre with pieces rather than pawns.

It begins with 8 plies and takes 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 to reach the canonical position.

The line is a first-level refinement of Indian Defense: Anti-Nimzo-Indian.

The line splits into 2 documented sub-systems: Blumenfeld Countergambit Accepted, Duz-Khotimirsky Variation.

Together the deeper variations number 3 across the full subtree.

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ECO code
E10
Group
Indian Defenses (E)
Plies
8
Parent
Indian Defense: Anti-Nimzo-Indian
Direct variations
2
Total in subtree
3

This overview is generated automatically from the opening's metadata. A more detailed, human-written description is on the way — and you can speed it up by suggesting one yourself.

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Variations (2)

Show all 3 sub-variations (full subtree)