C50

Rousseau Gambit: Queen Sweep

1. e4 e5 2. Nf3 Nc6 3. Bc4 f5 4. exf5 e4 5. Ng1 d5 6. Bb5 Qg5 7. Bxc6+ bxc6 8. g3 Qxf5

Opening moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 f5 4. exf5 e4 5. Ng1 d5 6. Bb5 Qg5 7. Bxc6+ bxc6 8. g3 Qxf5. This position is classified under ECO code C50.

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About This Opening

ECO Code

C50

Category Volume C

Opening Family

Rousseau Gambit

Position (FEN)

r1b1kbnr/p1p3pp/2p5/3p1q2/4p3/6P1/PPPP1P1P/RNBQK1NR w KQkq - 0 9

Lichess Stats

Across 2 rapid and classical games on Lichess (1600+ rated), White wins 50%, Black wins 50%, and 0% end in a draw from this position. The most common continuation is d3, played in 100% of games.

Observation period: 2026-07.

Small sample: 2 games. These percentages are descriptive and are too uncertain to compare opening strength.

50%

White wins 50% Draws 0% Black wins 50%

2 rapid and classical games on Lichess (1600+)

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