Zukertort Opening: Tennison Gambit is a chess opening with the ECO code A06, part of the Zukertort Opening family. It goes 1. e4 d5 2. Nf3. White opens with 1. e4 (the king's pawn) and Black answers 1... d5. After 3 moves it is Black to move. The lesson on the board explains every move of the line and lets you play it yourself; it is free.
The moves
1. e4 – White plays the pawn to e4
1... d5 – Black plays the pawn to d5
2. Nf3 – White plays the knight to f3
About the Zukertort Opening
White starts with 1.Nf3, a flexible move that develops and controls e5 and d4. White can later go into many different openings.
It stops ...e5 for now and keeps d4 or c4 options open.
Common follow-ups are g3, Bg2, O-O (a King's Indian Attack style).
Black can take the centre with ...d5 and ...c5; react calmly.
chessGM