Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Nc3/3...Nf6/4. Nxe5

Halloween Gambit
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Position in Forsyth-Edwards Notation (FEN)

r1bqkb1r/pppp1ppp/2n2n2/4N3/4P3/2N5/PPPP1PPP/R1BQKB1R b

Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5

Halloween Gambit

The Halloween or Müller-Schulze Gambit is a tricky and aggressive gambit. White sacrifices it's knight to gain tempo later, which can lead to consequences for Black. However they usually take the "free" piece and rarely decline it.

Theory table

For explanation of theory tables, see theory table and for notation, see algebraic notation.
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5

4 5 6 7 8 9 10 11
Nxe5
Nxe5		 d4
Nc6		 d5
Bb4		 dxc6
Nxe4		 Qd4
Qe7		 Be3
Nxc3		 Qxg7
Nd5+		 c3
Rf8		 =/=+
...
..		 ...
Ng6		 e5
Ng8		 Bc4
d5		 Bxd5
c6		 Bb3
Bb4		 O-O
Bxc3		 bxc3
N8e7		 =+
...
Nxe4?!		 Qh5
Qf6		 Qxf7+
Qxf7		 Nxf7
Kxf7		 Bc4+
Ke7		 Nxe4
Nd4		 Bd3
+=
...
...		 ...
...		 ...
...		 ...
Nxf2		 Nxh8
Nxh1		 Nb5
Nb4		 Nxc7+
Kd8		 Nxa8
Nxc2+		 +=

References

  • Larry Kaufman, The Chess Advantage in Black and White (p. 328)


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Chess openings quick reference
1. e4
1...e5 · Open
2. Nf3
With 2...Nc6:
Four knights: (
)
Italian game: (
)
Spanish game: (
)

With other 2nd moves:
2. Other

1...c5 · Sicilian
2. Nf3 · Open Sicilian
With 2...Nc6:

With 2...d6:

With 2...e6:

With other 2nd moves:
Anti-Sicilians
1... other
Caro-Kann
French
Other


1. d4
1...d5 · Closed
2. c4
2. Nc3
2. other
1...Nf6 · Indian
2. c4
With 2...e6:

With 2...g6:

With other 2nd moves for Black:
2. Nf3
2. other
1... other
Flank
Unorthodox
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