Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bb5/3...a6/4. Ba4/4...Nf6/5. O-O/5...Be7/6. Re1/6...b5/7. Bb3/7...O-O/8. c3/8...d5/9. exd5/9...Nxd5/10. Nxe5/10...Nxe5/11. Rxe5/11...c6

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< Chess Opening Theory‎ | 1. e4‎ | 1...e5‎ | 2. Nf3‎ | 2...Nc6‎ | 3. Bb5‎ | 3...a6‎ | 4. Ba4‎ | 4...Nf6‎ | 5. O-O‎ | 5...Be7‎ | 6. Re1‎ | 6...b5‎ | 7. Bb3‎ | 7...O-O‎ | 8. c3‎ | 8...d5‎ | 9. exd5‎ | 9...Nxd5‎ | 10. Nxe5‎ | 10...Nxe5‎ | 11. Rxe5
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Marshall Gambit
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8{{{square}}} black rook{{{square}}} black king{{{square}}} black bishop{{{square}}} black queen{{{square}}} black king{{{square}}} black rook{{{square}}} black king{{{square}}} black king8
7{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black bishop{{{square}}} black pawn{{{square}}} black pawn{{{square}}} black pawn7
6{{{square}}} black pawn{{{square}}} black king{{{square}}} black pawn{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king6
5{{{square}}} black king{{{square}}} black pawn{{{square}}} black king{{{square}}} black knight{{{square}}} white rook{{{square}}} black king{{{square}}} black king{{{square}}} black king5
4{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king4
3{{{square}}} black king{{{square}}} white bishop{{{square}}} white pawn{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king{{{square}}} black king3
2{{{square}}} white pawn{{{square}}} white pawn{{{square}}} black king{{{square}}} white pawn{{{square}}} black king{{{square}}} white pawn{{{square}}} white pawn{{{square}}} white pawn2
1{{{square}}} white rook{{{square}}} white knight{{{square}}} white bishop{{{square}}} white queen{{{square}}} black king{{{square}}} black king{{{square}}} white king{{{square}}} black king1
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Ruy Lopez, Marshall Gambit Main Line[edit]

Black's move ...c6 nails down the d5-knight. For White to chop it off (12. Bxd5) would now leave Black with the bishop pair on an open board, and three queenside pawns that would tightly restrain White's four.

  • 12. d4 is a natural developing move and the main line. Skip ahead to the first major fork in the road, which occurs after
  • 12. d3 is a significant sideline favoured by Alexey Shirov. The pawn itself will be weaker for being on d3 instead of d4, but in return White gains the possibility of quickly converting the extra pawn into a passed pawn with a later c4 push. 12. d3 scores slightly better than 12. d4 at master level and is significantly less analysed.