Chess opening · ECO C30
King's Gambit Declined: Petrov's Defense
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1. e4 e5 2. f4 Nf6
King's Gambit Declined: Petrov's Defense is catalogued under ECO code C30. It is reached after 2 moves (4 half-moves): 1. e4 e5 2. f4 Nf6. After the last move it is White to play. White opens 1. e4. It is a named variation of the King's Gambit Declined, which has 53 catalogued lines in total.
Comes from
More King's Gambit Declined lines
- King's Gambit Declined: Classical VariationC30
- King's Gambit Declined: Keene's DefenseC30
- King's Gambit Declined: Mafia DefenseC30
- King's Gambit Declined: Norwalde VariationC30
- King's Gambit Declined: Panteldakis CountergambitC30
- King's Gambit Declined: Queen's Knight DefenseC30
- King's Gambit Declined: Zilbermints Double CountergambitC30
- King's Gambit Declined: Falkbeer CountergambitC31