The moves you’ll play
- 1.e4e5
- 2.Nf3Nc6
- 3.Bc4f5
- 4.exf5e4
- 5.Qe2Qe7
- 6.Nd4Nxd4
- 7.d3Nf6
- 8.dxe4d5
The line continues — master it move by move in the app.
Your coach, move by move
- 1... e5We stake an equal claim in the center and open lines for our bishop and queen, entering Open Game territory.
- 2... Nc6We develop a knight, defend e5, and prepare to challenge White's coming Bc4 and the center.
- 3... f5This is the Rousseau Gambit's defining move: we strike at e4 immediately, fighting for the center at the cost of a pawn.
- +5 more coached moves waiting in the app
Key ideas behind this line
- Black's ...f5 and ...e4 grab central space and harass White's f3-knight, which is only guarded by a pawn, so a careless capture or retreat by White can drop material.
- Against 4.exf5, Black plays the thrust ...e4 followed by ...Nf6 and ...d5 to build a broad pawn center, push White's pieces back, and recapture the f5-pawn with the light-squared bishop.
- Versus the solid 4.d3, Black recaptures ...fxe4 and develops in Italian style (...Nf6, ...Bb4/...Bc5, ...d6, ...Qe7), often castling queenside because the open f7-square makes short castling awkward.
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More lines in this opening
Rousseau Gambit: 5.Qe2 Qe7 6.Nd4 Nf6
A sharp sister line where Black develops ...Nf6 before trading on d4; after White grabs e4, the fork ...d5 hits bishop and queen at once, restoring material balance.
Rousseau Gambit: 5.Ng1 Retreat
When White meekly retreats the knight to g1, Black gains free development; ...Nf6, ...d5 and ...dxc4 untangle while picking off White's strong light-squared bishop.
Rousseau Gambit: 5.Nd4 Centralization
Against the centralizing 5.Nd4, Black develops actively with ...Nf6 and ...Bc5; the trade ...dxc6 opens the d-file and the queen's path, giving Black a healthy, active position.
Rousseau Gambit: 4.d4 Central Counter
Against the principled 4.d4, Black exchanges in the center and uses the en passant capture point with ...d5 and ...Nf6 to free the position and regain the pawn with active development.
Rousseau Gambit: 4.d4 with 6...Qe7
An active alternative against 4.d4: Black uses ...Qe7 to attack the e5-pawn, and after 7.Qd5 the queen trade offer with ...Qc5 forces simplification into an equal endgame.
Rousseau Gambit: 4.Nxe5 Qh4 Counterattack
The critical refutation try 4.Nxe5 is met by ...Nxe5 and the strong ...Qh4!, winning the e4-pawn with check; the queen trade leaves Black with an equal, easily-played endgame.
Rousseau Gambit: 4.Nxe5 with 7.Qe2 Bc5
Instead of trading queens, Black can keep them on with 7...Bc5, maintaining the extra activity and pressure on d4 and f2 for a dynamic middlegame with full compensation.
Rousseau Gambit: 4.d3 exf5 Bc5 System
Against the solid 4.d3, Black develops harmoniously with ...Nf6 and ...Bc5; ...d6 and ...d5 then blunt the c4-bishop's diagonal and prepare to recapture the f5-pawn with a sound position.
Rousseau Gambit: 4.d3 fxe4 Exchange
A simplifying choice against 4.d3: Black exchanges on e4, then develops naturally with ...Nf6 and ...Bc5 into a balanced Italian-style structure with open f-file prospects.
Rousseau Gambit: 4.d3 Nf6 5.Ng5 d5
When White lunges with 5.Ng5 to harass f7, Black hits back with the central ...d5 and the active ...Nd4; ...h6 then questions the g5-knight, generating sharp counterplay and full compensation.
Rousseau Gambit: 4.Nc3 Sidestep
If White sidesteps with 4.Nc3, Black develops classically with ...Nf6 and the pinning ...Bb4; ...d5 then strikes the center and the c4-bishop, equalizing comfortably with active piece play.
Rousseau Gambit: 4.O-O fxe4 Trap
Against the casual 4.O-O, Black grabs e4 and meets the tactical Qh5+ with the cool ...g6 and ...Qe7, returning one pawn to trade queens and reach a sound, defensible position.
Rousseau Gambit: 5.Qe2 with 7.Nxc6
In the main 5.Qe2 line, if White trades on c6 instead of retreating, Black recaptures with ...dxc6, opening the d-file and the light-squared bishop for rapid development and easy equality.