1.e4 d5 2.exd5 Nf6 - Modern Variation. 3.c4 - White supports d5 with c4. 3...e6 - Icelandic! Black sacrifices for activity.
White's plans: Play dxe6, Nc3, d4. Keep the extra pawn. Black's plans: Play ...Bxe6, ...Nc6, ...Qxd4. Active piece play.
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