Black develops the knight before recapturing, keeping options open.
1.e4 - Controls the center.
1...d5 - Scandinavian! Immediate central challenge.
2.exd5 - White accepts the pawn.
2...Nf6 - Modern Variation. Black develops before recapturing.
White's plans: Play c4 to support d5. Develop normally with Nf3, d4.
Black's plans: Recapture with ...Qxd5 or ...Nxd5. Develop quickly to avoid being behind.
Watch the moves to understand the opening sequence. Use the controls to replay or auto-play the variation.