The Open, Tarrasch Trap is a variation of the Ruy Lopez, catalogued as ECO C83. The line runs 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Re1 O-O 11. Nd4 Qd7 12. Nxe6 fxe6 13. Rxe4, reaching the position shown below after 25 half-moves.
Both sides have pawns in the centre (White on e5, Black on d5). Black is ahead in development, with four minor pieces out to White's two, and White is up three points of material. It is Black to move after 13 moves. Both kings have castled kingside, so play tends to shift to the centre and the opposite flank; White has the bishop pair.
On the Ruy Lopez generally: One of the oldest and most classical openings. White develops rapidly and puts pressure on Black's center.
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.
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The Open, Tarrasch Trap goes 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Re1 O-O 11. Nd4 Qd7 12. Nxe6 fxe6 13. Rxe4. It is a variation of the Ruy Lopez and is catalogued as ECO C83.
The Open, Tarrasch Trap is ECO C83. ECO codes group openings by their move order, so nearby codes cover closely related lines of the Ruy Lopez.
Stockfish evaluates the position after 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Re1 O-O 11. Nd4 Qd7 12. Nxe6 fxe6 13. Rxe4 at +3.20 at depth 18, which is a clear advantage 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.
Both sides have pawns in the centre (White on e5, Black on d5). Black is ahead in development, with four minor pieces out to White's two, and White is up three points of material. It is Black to move. Both kings have castled kingside, so play tends to shift to the centre and the opposite flank; White has the bishop pair.