The San Jorge Variation is a variation of the St. George Defense, catalogued as ECO B00. The line runs 1. e4 a6 2. d4 b5 3. Nf3 Bb7 4. Bd3 d6 5. O-O g6 6. c3 Bg7, reaching the position shown below after 12 half-moves.
White holds the centre with pawns on d4 and e4. Development is level at two minor pieces each. It is White to move after six moves. White has castled while Black’s king is still uncommitted.
On the St. George Defense generally: ECO B00. A chess opening with 4 known variations.
You can play through this variation move by move in your browser — Learn mode walks the line with an explanation at each step, and Drill mode replays it from memory so you find out whether you actually know it. No account is required.
All St. George Defense variations
The San Jorge Variation goes 1. e4 a6 2. d4 b5 3. Nf3 Bb7 4. Bd3 d6 5. O-O g6 6. c3 Bg7. It is a variation of the St. George Defense and is catalogued as ECO B00.
The San Jorge Variation is ECO B00. ECO codes group openings by their move order, so nearby codes cover closely related lines of the St. George Defense.
Stockfish evaluates the position after 1. e4 a6 2. d4 b5 3. Nf3 Bb7 4. Bd3 d6 5. O-O g6 6. c3 Bg7 at +0.95 at depth 18, which is a small but real edge for White. Engine evaluation is only a starting point — at club level the practical value of a line is mostly about whether you know its plans better than your opponent does.
White holds the centre with pawns on d4 and e4. Development is level at two minor pieces each. It is White to move. White has castled while Black’s king is still uncommitted.