Ruy Lopez: Marshall Attack, Modern Main Line is a chess opening with the ECO code C89, part of the Ruy Lopez family. It goes 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3. White opens with 1. e4 (the king's pawn) and Black answers 1... e5. After 28 moves it is White to move. After the last move White is a pawn 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. Bb5 – White plays the bishop to b5
3... a6 – Black plays the pawn to a6
4. Ba4 – White plays the bishop to a4
4... Nf6 – Black plays the knight to f6
5. O-O – White castles kingside
5... Be7 – Black plays the bishop to e7
6. Re1 – White plays the rook to e1
6... b5 – Black plays the pawn to b5
The line goes on for 16 more moves; the lesson shows them all.
About the Ruy Lopez
After 1.e4 e5 2.Nf3 Nc6, White plays 3.Bb5 to attack the knight that defends e5. It is one of the oldest and richest openings.
White builds slow pressure: O-O, Re1, c3 and then d4 to win the centre.
Black usually kicks the bishop with ...a6 and ...b5; it retreats to a4 and then b3.
Bxc6 does not win e5 at once, because Black wins the pawn back with ...Qd4 or ...Qg5.
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