Library/Openings/Réti Opening/Anglo-Slav Variation/Bled Variation ECO A12
Opening· 8 plies

Réti Opening: Anglo-Slav Variation, Bled Variation

An entry in the Encyclopedia of Chess Openings (ECO A12), reached after 8 half-moves: 1. Nf3 d5 2. b3 Nf6 3. Bb2 g6 4. c4 c6.

Réti Opening: Anglo-Slav Variation, Bled Variation ECO A12
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Black rook
Black knight
Black bishop
Black queen
Black king
Black bishop
Black rook
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
Black knight
Black pawn
Black pawn
White pawn
White pawn
White knight
White pawn
White bishop
White pawn
White pawn
White pawn
White pawn
White pawn
White rook
White knight
White queen
White king
White bishop
White rook
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End of this line

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About this opening

Réti Opening: Anglo-Slav Variation, Bled Variation is an opening in the Encyclopedia of Chess Openings, classified under code A12. ECO group A (A00–A99) covers flank and irregular openings, including the English, Bird, Réti and Dutch defences. This particular variation is reached after 8 half-moves from the starting position, with the move sequence 1. Nf3 d5 2. b3 Nf6 3. Bb2 g6 4. c4 c6.

It belongs to the Réti Opening family. Within that family this is a level-2 branch (the Anglo-Slav Variation → Bled Variation line). The immediate parent line is Réti Opening: Anglo-Slav Variation, transitioned via 4…c6.

The opening sequence in prose form: 1.Nf3 d5, 2.b3 Nf6, 3.Bb2 g6, 4.c4 c6. 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.