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Basque Opening A45

A — Flank openings · Family: Basque Opening

1. d4 Nf6 2. b3

🎓 Train this family

The Basque Opening is catalogued under the ECO code A45. Its main line runs 1. d4 Nf6 2. b3.

After 3 half-moves the diagrammed position is reached and it is Black to move. Material is balanced.

Play through the moves on the board above, explore the variations tree below — click any move of any branch — then test yourself against the engine from the position you picked.

• Position after 3 half-moves — Black to move.
• Material is balanced.
• Family “Basque Opening” contains 1 recorded variation(s) here.

Variations tree of the Basque Opening family

Click any move to jump to that position; switch branches at any point with the alternative moves. Test your knowledge plays the shown position against the engine.

Related openings

Nearby ECO codes in the A — Flank openings volume — compare the move orders:

• Indian Defense (A45)
• Old Indian Defense (A41)
• Queen's Pawn Game (A41)
• Australian Defense (A40)
• English Defense (A40)
• Englund Gambit (A40)