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Chess Opening Theory/1. e4/1...d5/2. Nf3

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2. Nf3 - Tennison Gambit

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Tennison Gambit
a b c d e f g h
8a8 black rookb8 black knightc8 black bishopd8 black queene8 black kingf8 black bishopg8 black knighth8 black rook8
7a7 black pawnb7 black pawnc7 black pawnd7 black kinge7 black pawnf7 black pawng7 black pawnh7 black pawn7
6a6 black kingb6 black kingc6 black kingd6 black kinge6 black kingf6 black kingg6 black kingh6 black king6
5a5 black kingb5 black kingc5 black kingd5 black pawne5 black kingf5 black kingg5 black kingh5 black king5
4a4 black kingb4 black kingc4 black kingd4 black kinge4 white pawnf4 black kingg4 black kingh4 black king4
3a3 black kingb3 black kingc3 black kingd3 black kinge3 black kingf3 white knightg3 black kingh3 black king3
2a2 white pawnb2 white pawnc2 white pawnd2 white pawne2 black kingf2 white pawng2 white pawnh2 white pawn2
1a1 white rookb1 white knightc1 white bishopd1 white queene1 white kingf1 white bishopg1 black kingh1 white rook1
a b c d e f g h
Position in Forsyth-Edwards Notation (FEN)

rnbqkbnr/ppp1pppp/8/3p4/4P3/5N2/PPPP1PPP/RNBQKB1R b

Moves: 1. e4 d5 2. Nf3
ECO code: B01
Parent: Scandinavian Defence
Responses:
  • 2...dxe4

White sacrifices a pawn in the hopes of a potential lead in development. Black will generally make the move 2...dxe4, accepting the gambit. White typically responds with 3. Ng5, hoping for 3...Nf6, at which point they can achieve a lead in development and may play for an opening trap jokingly named the Intercontinental Ballistic Missile Variant[1]: 4. d3 exd3 5. Bxd3 h6?? 6.Nxf7 Kxf7 7. Bg6+ Kxg6 8. Qxd8, winning the queen.

Black can avoid this trap and other tricky lines by immediately returning the pawn with 3...e5 4. Nxe4 f5. After White moves the knight, Black may play 5...Be6 protecting the a2-g8 diagonal (else Bc4, preventing Black from castling, poses problems). Black achieves easy development, control of the center and an easy game.

Wikipedia has related information at Tennison Gambit

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  1. ↑ https://www.youtube.com/watch?v=E2xNlzsnPCQ
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