Chess Opening Theory/1. d4/1...d5/2. e4/2...dxe4

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Blackmar-Diemer Gambit (BDG)
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)

rnbqkbnr/ppp1pppp/8/8/3Pp3/8/PPP2PPP/RNBQKBNR

Blackmar-Diemer Gambit (BDG)[edit | edit source]

2...dxe4[edit | edit source]

White has given up his king's pawn, in hopes of an aggressive game. Since there is no way White can win a pawn back immediately, he can expect this set-up most times he plays the Blackmar-Diemar Gambit. The best move for White would be Nc3, putting pressure on the e4-pawn and preparing the move f3, as 3. f3 is well met by 3...e5!, with an edge for Black. One example: 4. dxe5 (other moves are even worse, for example 4. fxe4 Qh4+ and Qxe4 with an extra pawn and an attack, or d5 Nf6 c4 c6 when d5 will soon fall) Qxd1+ Kxd1 Nc6 fxe4 (f4 Bg4+ Ne2 O-O-O+ with a winning attack) Nxe5 with an obvious advantage. Black normally plays 3...Nf6, though 3...f5 and 3...Bf5 are interesting ways to avoid mainline theory. Now, if f3 e5?, dxe5 gains a tempo on the knight. Sometimes Bc4 is played, to hopefully trap Black quickly with a variation of Scholar's Mate.

Theory table[edit | edit source]

For explanation of theory tables see theory table and for notation see algebraic notation.

1. d4 d5 2. e4 dxe4

3 4 5
Nc3
Nf6
f3
exf3
Nxf3

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References[edit | edit source]

  • Batsford Chess Openings 2 (1989, 1994). Garry Kasparov, Raymond Keene. ISBN 0-8050-3409-9.