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Chess Opening Theory/1. e4/1...c5/2. d4/2...cxd4/3. c3/3...d3

Smith-Morra Gambit Declined
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4
3
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1
8
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Position in Forsyth-Edwards Notation (FEN)

rnbqkbnr/pp1ppppp/8/8/4P3/2Pp4/PP3PPP/RNBQKBNR w

Moves: 1. e4 c5 2. d4 cxd4 3. c3 d3
Parent: Sicilian Defence

3...d3

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Players have played this move a bit, but it is too passive. Black does not need to decline White's gambit. After c4 followed by Bxd3, White has a Maróczy Bind and a spatial plus.

However, this move is very much playable, and even poses some specific benefits over 3...d5: specifically, it allows Dragon players to continue going for their fianchetto plans, and Najdorf/Kan/O'Kelly players to continue with their flexible ideas and setups, allowing lower-level players to still stick to their prep more or less.

Wikipedia has related information at Sicilian Defence, Smith–Morra Gambit

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Chess openings quick reference
1. e4
1...e5 · Open
2. Nf3
With 2...Nc6:

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
出典: Chess Opening Theory/1. e4/1...c5/2. d4/2...cxd4/3. c3/3...d3

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