Chess Opening Theory/1. d4/1...d5/2. e4/2...c5

Countergambit
a b c d e f g h
8 a8 b8 c8 d8 e8 f8 g8 h8 8
7 a7 b7 c7 d7 e7 f7 g7 h7 7
6 a6 b6 c6 d6 e6 f6 g6 h6 6
5 a5 b5 c5 d5 e5 f5 g5 h5 5
4 a4 b4 c4 d4 e4 f4 g4 h4 4
3 a3 b3 c3 d3 e3 f3 g3 h3 3
2 a2 b2 c2 d2 e2 f2 g2 h2 2
1 a1 b1 c1 d1 e1 f1 g1 h1 1
a b c d e f g h
Position in Forsyth-Edwards Notation (FEN)
Moves: 1. d4 d5 2. e4 c5

2...c5Edit

After 3. dxc5 dxe4 (Nf6 seems better), Qxd8+ is possible. Black has lost the right to castle, but White's pawn on c5 is weaker that Black's e4-pawn. White is better.

After 3. exd5, Qxd5 (or Nf6) is possible, since 4. Nc3 runs into Qxd4.

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