Main lineC25
1. e4 e5 2. Nc3
Nc3 first keeps f4 available: White chooses between a kingside pawn storm and quiet Italian-style play, and Black must be ready for both.
C25-C29
41 named lines in this family, ECO C25-C29. Every one of them opens 1. e4 e5 2. Nc3, so the notes on those moves are written once, just below, instead of once per line. Under each line you get its moves and the sentences it adds that this page has not already printed. A line's own page carries up to its first 4 per-move notes in full.
1. e4 e5 2. Nc3
1. e4 e5 2. Nc3
Nc3 first keeps f4 available: White chooses between a kingside pawn storm and quiet Italian-style play, and Black must be ready for both.
1. e4 e5 2. Nc3 Bc5
1. e4 e5 2. Nc3 Nc6
1. e4 e5 2. Nc3 Nc6 3. d4
The pawns on d4 and e5 stand in direct tension - the first player to resolve it chooses the structure.
1. e4 e5 2. Nc3 Bc5 3. Qg4
1. e4 e5 2. Nc3 Bc5 3. Na4
In the centre, White holds e4 while Black holds e5.
1. e4 e5 2. Nc3 d6 3. f4
1. e4 e5 2. Nc3 Nc6 3. g3
1. e4 e5 2. Nc3 Nc6 3. d4 f5
1. e4 e5 2. Nc3 Bb4 3. Qg4 Nf6
1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. Qg4 Qf6 5. Nd5
1. e4 e5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 Bc5 5. Nge2 d5
The pawns on d5 and e4 stand in direct tension - the first player to resolve it chooses the structure. White's kingside bishop takes the long diagonal.
1. e4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 h5 5. Nf3 h4
1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. Bc4 g4 6. O-O
An early pawn trade leaves the e-file as Black's avenue and the f-file as White's - both sides get real winning chances down their own file. Black keeps the extra pawn; White plays for time, open lines, and initiative - the classic gambit trade.
1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. Bc4 g4 6. O-O gxf3 7. Qxf3 Ne5 8. Qxf4 Qf6
Black comes out ahead on material - White needs concrete play to justify it.
1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. d4 g4 6. Bc4 gxf3 7. O-O d5 8. exd5 Bg4 9. dxc6
The e-file is fully open.
1. e4 e5 2. Nc3 Nf6
1. e4 e5 2. Nc3 Nf6 3. a3
1. e4 e5 2. Nc3 Nf6 3. g3
1. e4 e5 2. Nc3 Nf6 3. Bc4
1. e4 e5 2. Nc3 Nf6 3. Bc4 Bb4
1. e4 e5 2. Nc3 Nf6 3. g3 d5 4. exd5 c6
An early pawn trade leaves the d-file as Black's avenue and the e-file as White's - both sides get real winning chances down their own file. White is up material out of the opening - Black is banking on activity to show for it.
1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. Nge2 b5
1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 Nc6 5. Nge2 d5 6. exd5
1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4
The structure hands White the half-open e-file - rook pressure down it is a standing plan.
1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Be7
1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Nc6 6. d4
Black's pawn on f7 is pinned against the king.
1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Be7 6. Nf3 Nc6 7. Nxe5
1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Nc6 6. Nb5 g6 7. Qf3 f5 8. Qd5 Qe7 9. Nxc7+ Kd8 10. Nxa8 b6
An early pawn trade leaves the c-file as Black's avenue and the e-file as White's - both sides get real winning chances down their own file.
1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6
1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. f4 Nxe4 5. Nf3
1. e4 e5 2. Nc3 Nf6 3. f4
1. e4 e5 2. Nc3 Nf6 3. f4 d5
1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. d3
1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. d3
1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3
1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 f5
1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Nf3 Be7
1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 f5 6. d4
1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Nf3 Bg4 6. Qe2
1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. d3 Qh4+ 6. g3 Nxg3 7. Nf3 Qh5 8. Nxd5
In the centre, White holds e5.
An account opens every move's note in this family, the plan behind each line, and a trainer that plays the line back at you. It is free.