An opening trap is a line where a natural-looking move loses on the spot. Knowing the common ones does two things for you: you stop falling into them, and you learn the tactical patterns (weak f7, back-rank checks, pins on the e-file) that decide many games later on. For each trap below you get the moves, the mistake, and what to play instead.
1. Fool's mate
1.f3 e5 2.g4 Qh4#
The shortest possible game. White weakened the e1-h4 diagonal with two pawn moves, and the queen mates at once.
Lesson: the f- and g-pawns shield your king. Moving both early, with the queen's diagonal open, is fatal. Play 1.e4, 1.d4 or 1.Nf3 instead.
2. Scholar's mate
1.e4 e5 2.Bc4 Nc6 3.Qh5 Nf6?? 4.Qxf7#
The queen and bishop both aim at f7, which only the king defends. 3...Nf6?? develops a piece but ignores the threat, and the queen on f7, protected by the c4-bishop, gives mate.
How to defend: after 3.Qh5, play 3...g6, which attacks the queen and keeps e5 protected by the c6-knight, or 3...Qe7. If White continues 4.Qf3 threatening f7 again, 4...Nf6 covers it, and Black is ahead in development because White's queen has used three moves.
3. Legal's mate
1.e4 e5 2.Nf3 d6 3.Bc4 Bg4 4.Nc3 g6? 5.Nxe5! Bxd1?? 6.Bxf7+ Ke7 7.Nd5#
White: bishop on f7, knight on d5, knight on e5, pawn on e4, pawn on a2, pawn on b2, pawn on c2, pawn on d2, pawn on f2, pawn on g2, pawn on h2, rook on a1, bishop on c1, king on e1, rook on h1. Black: rook on a8, knight on b8, queen on d8, bishop on f8, knight on g8, rook on h8, pawn on a7, pawn on b7, pawn on c7, king on e7, pawn on h7, pawn on d6, pawn on g6, bishop on d1. Black to move.
Black's bishop on g4 seems to pin the f3-knight to the queen, but the pin is only relative: the knight may legally move. After 5.Nxe5, taking the queen allows mate with bishop and two knights.
For Black: after 5.Nxe5 the best is 5...dxe5 6.Qxg4, losing only a pawn. Better still, avoid 4...g6, which wastes a move while the e5-pawn is weak; 4...Nc6 or 4...Nf6 is normal.
Lesson: a pinned piece that is pinned to anything other than the king can still move, sometimes with devastating effect.
4. The Fishing Pole
1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Ng4 5.h3 h5!? 6.hxg4? hxg4
Black offers the knight to open the h-file. If White takes, the queen arrives on h4 and the rook on h8 supports mate on h1 or h2.
7.Nh2 Qh4and Black's attack is decisive; the natural8.Nxg4??runs into8...Qh1#.7.Nxe5 Qh4and8.Nf3 gxf3 9.Qxf3 Qh1#.7.Ne1 Qh4 8.f3 g3and mate on h2 or h1 cannot be stopped.
For White: do not take the knight. After 5...h5 simply play 6.d4 or 6.c3. Black's knight on g4 is loose and the h-pawn move has weakened Black's position, so White keeps a large advantage.
Lesson: when your opponent offers a piece next to your king, count the attackers that arrive once the file opens.
5. The Englund Gambit trap
1.d4 e5 2.dxe5 Nc6 3.Nf3 Qe7 4.Bf4 Qb4+ 5.Bd2 Qxb2 6.Bc3? Bb4! 7.Qd2 Bxc3 8.Qxc3 Qc1#
White: pawn on e5, queen on c3, knight on f3, pawn on a2, pawn on c2, pawn on e2, pawn on f2, pawn on g2, pawn on h2, rook on a1, knight on b1, king on e1, bishop on f1, rook on h1. Black: rook on a8, bishop on c8, king on e8, knight on g8, rook on h8, pawn on a7, pawn on b7, pawn on c7, pawn on d7, pawn on f7, pawn on g7, pawn on h7, knight on c6, queen on c1. White to move.
White's 6.Bc3? attacks the queen but walks into a pin and a back-rank mate.
For White: 6.Nc3! is correct. After 6...Bb4 7.Rb1 White chases the queen and gets a big lead in development. In general, the Englund Gambit is dubious for Black, so the trap is the main practical reason it is played.
6. The Elephant trap
1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Bg5 Nbd7 5.cxd5 exd5 6.Nxd5?? Nxd5! 7.Bxd8 Bb4+ 8.Qd2 Bxd2+ 9.Kxd2 Kxd8
White: bishop on g5, pawn on d4, knight on c3, pawn on a2, pawn on b2, pawn on e2, pawn on f2, pawn on g2, pawn on h2, rook on a1, queen on d1, king on e1, bishop on f1, knight on g1, rook on h1. Black: rook on a8, bishop on c8, queen on d8, king on e8, bishop on f8, rook on h8, pawn on a7, pawn on b7, pawn on c7, knight on d7, pawn on f7, pawn on g7, pawn on h7, knight on f6, pawn on d5. White to move.
White thinks the f6-knight is pinned to the queen and grabs the d5-pawn. But Black's 6...Nxd5! sacrifices the queen: after 7.Bxd8 Bb4+ White must give the queen back with 8.Qd2, and Black comes out a piece ahead.
For White: play normal moves like 6.e3 or 6.Nf3. The pin on f6 is only relative, so it does not make d5 a free pawn.
7. The Blackburne Shilling Gambit
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nd4?! 4.Nxe5? Qg5! 5.Nxf7?? Qxg2 6.Rf1 Qxe4+ 7.Be2 Nf3#
Black's 3...Nd4 is objectively a poor move, but it sets a nasty trap. Taking on e5 lets the queen hit both the knight and g2.
For White: the simplest is 4.Nxd4 exd4 5.O-O or just 4.O-O, with a pleasant position. If you have already played 4.Nxe5 Qg5, limit the damage with 5.Bxf7+ Kd8 6.O-O.
8. The Lasker trap (Albin Countergambit)
1.d4 d5 2.c4 e5 3.dxe5 d4 4.e3? Bb4+ 5.Bd2 dxe3! 6.Bxb4?? exf2+ 7.Ke2 fxg1=N+!
Black promotes to a knight with check. After 8.Rxg1 Bg4+ Black wins the queen, and 8.Ke1 Qh4+ gives Black a crushing attack.
For White: the normal answer to the Albin is 4.Nf3, keeping the d4-pawn blocked without opening the king. If you have already played 4.e3, then 6.fxe3 keeps the game roughly level.
Lesson: underpromotion is rare, but when the queen promotion would not give check, a knight sometimes does.
9. Noah's Ark trap
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.d4 b5 6.Bb3 Nxd4 7.Nxd4 exd4 8.Qxd4?? c5 9.Qd5 Be6 10.Qc6+ Bd7 11.Qd5 c4
White: queen on d5, pawn on e4, bishop on b3, pawn on a2, pawn on b2, pawn on c2, pawn on f2, pawn on g2, pawn on h2, rook on a1, knight on b1, bishop on c1, king on e1, rook on h1. Black: rook on a8, queen on d8, king on e8, bishop on f8, knight on g8, rook on h8, bishop on d7, pawn on f7, pawn on g7, pawn on h7, pawn on a6, pawn on d6, pawn on b5, pawn on c4. White to move.
The bishop on b3 has no safe square: a4 is covered by the b5-pawn, a2 and c2 hold White's own pawns, and the only capture, Bxc4, is met by ...bxc4. Black wins a piece for two pawns.
For White: recapture with 8.c3 or play 8.Bd5, both roughly equal. Taking on d4 with the queen opens the door for ...c5 and ...c4.
How to stop falling for traps
- Check every check, capture and threat after your opponent's move. Most traps rely on you missing one forcing move.
- Be suspicious of free material. If a strong player leaves a pawn or piece hanging in the opening, look for the reason before taking.
- Know which pins are absolute. A piece pinned to the king cannot move. A piece pinned to a queen can, and that is the idea behind Legal's mate and the Elephant trap.
- Respect f2 and f7. Several traps above attack these squares.
Practise these patterns
- Drill the safe lines against each trap in the openings trainer.
- Train the underlying tactics (pins, back-rank mates, trapped pieces) in puzzles by theme.
- Watch lessons on common opening mistakes in video.
- If you fell for something in a recent game, put it through the free game review to see the exact moment it went wrong.
Published 2026-11-01 · 22Softwares