When Scholar's Mate fails: the ...Nd4 fork on c2

When Black defends correctly against Scholar's Mate, White's queen is left out on f3, and it becomes the target. Black's knight jumps from c6 to d4, attacking the queen, and from d4 it also hits the pawn on c2, where ...Nxc2+ would fork the king and the rook on a1. One quiet move stops all of it.

The line

1.e4 e5 2.Qh5 Nc6 3.Bc4 g6 4.Qf3 Nf6: the Scholar's Mate attempt, defended. The same position also comes from 1.e4 Nc6 2.Bc4 e5 3.Qh5 g6 4.Qf3 Nf6.

After 4...Nf6. White to move.

The move: 5.Ne2

5.Ne2 develops and covers d4, so if the knight comes there, White simply takes it. 5.c3, taking d4 away from the knight, also holds. 5.Nc3 and 5.d3 are playable too, but after them ...Nd4 still comes with gain of time, and the queen has to go back to d1.

What goes wrong: 5.Qb3??

The natural try is to keep attacking f7: 5.Qb3?? lines the queen and bishop up on it again. But 5...Nd4! attacks the queen and c2 at the same time. If the queen stays active with 6.Qg3, 6...Nxc2+ forks the king and the rook. White's best try, 6.Bxf7+ Ke7, only wins a pawn for the bishop, which Black collects soon after.

After 4...Nf6. Step through 5.Qb3?? to see the fork.

In rated online games in our library, 5% of players who reached this position played 5.Qb3??

The same fork, another move order

1.e4 e5 2.Bc4 Nf6 3.Qf3 Nc6: the queen defends e4 and eyes f7, and the knight on c6 is ready for d4 again. 4.Ne2 is the answer here too.

The mistake in this position is 4.g4??, meaning to push the pawn to g5 and drive the knight away from f6. It's too slow: 4...Nd4! hits the queen and c2. 5.Qg3 runs into 5...Nxc2+ and the rook goes, and even the retreat 5.Qd1 leaves Black with a winning position after 5...d5.

After 3...Nc6. Step through 4.g4?? to see the fork.

In rated online games in our library, 7% of players who reached this position played 4.g4??

The idea to remember

A queen brought out early is a target, and every attack on it gains your opponent a move. Before you play, look at the squares where an enemy knight could attack your queen, and take them away: Ne2 covers d4. And watch c2: a knight on d4 with your queen gone is a fork of king and rook waiting to happen.

Train it

This is one of the opening traps OptiChess teaches as a play-through: the moves play themselves until the moment you need to look closely, then you find the move. The habit behind it, asking what your opponent can do after your move, is the blunder check. Black's side of this opening is how to stop Scholar's Mate.

Try it. Real positions, set at your level, every answer checked against the board. No account needed to start.

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