Four Knights Game: Halloween Gambit, Plasma Variation
Four Knights Game: Halloween Gambit, Plasma Variation is a chess opening with the ECO code C47, part of the Four Knights Game family. It goes 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5 Nxe5 5. d4 Nc6 6. d5 Ne5 7. f4 Ng6 8. e5 Ng8 9. d6 cxd6 10. exd6 Qf6 11. Nb5 Rb8. White opens with 1. e4 (the king's pawn) and Black answers 1... e5. After 22 moves it is White to move. After the last move Black is 2 points ahead in material. 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... e5 – Black plays the pawn to e5
2. Nf3 – White plays the knight to f3
2... Nc6 – Black plays the knight to c6
3. Nc3 – White plays the knight to c3
3... Nf6 – Black plays the knight to f6
4. Nxe5 – White takes on e5 with the knight
4... Nxe5 – Black takes on e5 with the knight
5. d4 – White plays the pawn to d4
5... Nc6 – Black plays the knight to c6
6. d5 – White plays the pawn to d5
6... Ne5 – Black plays the knight to e5
The line goes on for 10 more moves; the lesson shows them all.
About the Four Knights Game
Both sides bring out both knights: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6. It is a classical, healthy opening that follows the basic rules.
White chooses 4.Bb5 (Spanish), 4.d4 (Scotch) or 4.Bc4 (Italian) style.
Black can answer 4.Bb5 with ...Bb4 (copying) or the sharp ...Nd4.
Watch the pin Bg5 on the f6 knight in symmetrical lines.