Ruy López (Spanish Opening) · Basic
Opponent's mistake · 4...d6
1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5 4.c3 d6 5.d4 exd4 6.cxd4 Bb4+ 7.Kf1 Bd7 8.Qa4 a5 9.a3 Nxd4 10.Nxd4
- e4: Takes the centre and opens lines for the queen and the f1 bishop.
- Nf3: Develops the knight and attacks the e5 pawn.
- Bb5: Attacks the knight that defends e5: White pressures the centre indirectly.