Library/Openings/Alekhine Defense/Exchange Variation/Voronezh Variation ECO B03
Opening· 17 plies

Alekhine Defense: Exchange Variation, Voronezh Variation

An entry in the Encyclopedia of Chess Openings (ECO B03), reached after 17 half-moves: 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 O-O 9. b3.

Alekhine Defense: Exchange Variation, Voronezh Variation ECO B03
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End of this line

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

About this opening

Alekhine Defense: Exchange Variation, Voronezh Variation is an opening in the Encyclopedia of Chess Openings, classified under code B03. ECO group B (B00–B99) covers semi-open games (1.e4 with Black playing anything other than 1…e5), with the Sicilian, French, Caro-Kann and Pirc/Modern at its heart. This particular variation is reached after 17 half-moves from the starting position, with the move sequence 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 O-O 9. b3.

It belongs to the Alekhine Defense family. Within that family this is a level-2 branch (the Exchange Variation → Voronezh Variation line). The immediate parent line is Alekhine Defense: Exchange Variation, transitioned via 9.b3.

The opening sequence in prose form: 1.e4 Nf6, 2.e5 Nd5, 3.d4 d6, 4.c4 Nb6, 5.exd6 cxd6, 6.Nc3 g6. 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.