About this opening
Grünfeld Defense: Three Knights Variation, Burille Variation, Reversed Tarrasch is an opening in the Encyclopedia of Chess Openings,
classified under code A56. ECO group A (A00–A99)
covers flank and irregular openings, including the English, Bird, Réti and Dutch defences. This particular variation is reached
after 16 half-moves from the
starting position, with the move sequence 1. d4 Nf6 2. c4 c5 3. e3 g6 4. Nc3 Bg7 5. Nf3 O-O 6. Be2 cxd4 7. exd4 d5 8. O-O Nc6.
It belongs to the Grünfeld Defense family.
Within that family this is a level-3 branch (the Three Knights Variation → Burille Variation → Reversed Tarrasch line). The immediate parent line is Grünfeld Defense: Three Knights Variation, Burille Variation, transitioned via 8…Nc6.
The opening sequence in prose form: 1.d4 Nf6, 2.c4 c5, 3.e3 g6, 4.Nc3 Bg7, 5.Nf3 O-O, 6.Be2 cxd4. 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.
Use the interactive board above to walk through the moves position-by-position. Click any move in the navigation to step backwards, or use the keyboard arrow keys. For statistical data — how often master-level players have reached this position, White's win-rate, draw frequency, Black's score — see the panel in the right column.
Caissly's coverage of A56 extends through every named sub-variation in this line and across all four locales (English, Spanish, Portuguese, Russian). Where editorial commentary exists for a specific variation it appears as the page body; otherwise the page presents the structural data, board, and statistics as shown here.