About this opening
Rubinstein Opening: Bogoljubow Defense is an opening in the Encyclopedia of Chess Openings,
classified under code D05. ECO group D (D00–D99)
covers closed games and semi-closed games beginning 1.d4 d5, covering the Queen's Gambit, Slav, Grünfeld and related queen-pawn structures. This particular variation is reached
after 14 half-moves from the
starting position, with the move sequence 1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. b3 Nc6 6. O-O Bd6 7. Bb2 O-O.
It belongs to the Rubinstein Opening family. Within that family this is a sub-variation (the Bogoljubow Defense line).
The opening sequence in prose form: 1.d4 Nf6, 2.Nf3 e6, 3.e3 c5, 4.Bd3 d5, 5.b3 Nc6, 6.O-O Bd6. 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 D05 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.