Semi-Open · a defense for Black

Barnes Defense

2/2
1.e4f6

Black answers the best first move in chess by weakening his own king's front door. The database shows White collecting on it, game after game.

It's worth being precise about what 1...f6 costs. The move opens the e8-h5 diagonal straight toward Black's king. It takes the f6 square away from its rightful owner, the g8 knight. It develops nothing. Its one contribution is covering e5. The least-bad reading of the Barnes is as a clumsy way of preparing ...e5 later. Every other reply to 1. e4 buys something. This one mostly sells.

The name is real history. Thomas Wilson Barnes was a strong English master of the 1850s who played provocative, offbeat defenses. This was one of them. He famously took more games off Paul Morphy than any other player during Morphy's celebrated visit to England. That record says more about Barnes's practical strength than about the merits of 1...f6. But the move has carried his name ever since.

The Barnes survives as a dare in online blitz and a teaching position everywhere else. It's the cleanest demonstration in chess of why the f-pawn is called the poisoned pawn of the opening. The king sits behind it. Every step it takes forward invites the queen check that organizes White's whole attack.

White's plan

Get developed. Take the full center with 2. d4 and bring the pieces out fast. Keep the e8-h5 diagonal in mind: a well-timed Qh5+ forces ...g6 and leaves Black's kingside looking moth-eaten before move ten. Castle and open the center where the Black king is stuck. Let the extra development do the attacking. The only way to lose the thread is chasing a mate that isn't forced instead of taking the free positional gifts.

Black's plan

Damage control. The constructive plan is to make ...f6 mean something: set up ...d6 and a properly supported ...e5, develop the knight via e7 or h6 since f6 is spoken for, and get the king to safety before the center opens. The absolute rule is to stop weakening the kingside. No ...g5, no casual pawn grabs on the h5 diagonal. Every open line there belongs to White. Reach a closed, stodgy middlegame and the position becomes merely worse instead of lost.

At club level

At club level (1600-2000 on Lichess), 1...f6 doesn't crack the top twelve replies to 1. e4. The position appears 802,060 times against more than 1.4 billion 1. e4 games in the community database. White's main responses are brutal on the scoreboard: 2. d4 is played 49.7% of the time and scores 59%. Also: 2. Nf3 (23.3%, 56%) and 2. Bc4 (8.1%, 56%). Even the crude 2. Qh5+ shows up in 1% of games and still scores 54%. A 59% score for White's most natural move is about as loud as an opening database gets.

Who plays the Barnes Defense

Thomas Wilson BarnesThe 1850s English master the defense is named for. He played offbeat defenses like this one and won more games against Paul Morphy than any other player of Morphy's great European tour.

The trap to know
1. e4 f6 2. d4 g5 3. Qh5#

The fastest checkmate Black can allow, and it runs straight through this opening. After 2...g5 both kingside diagonals are open. The queen lands on h5. Nothing can block or capture on g6. The f7 square is gone as an escape because the queen covers it. E7 is still blocked by its own pawn. Mate on move three. As White, know the pattern. As Black, understand that after 1...f6 the move ...g5 is the one you must never play.

Live databaseLichess 1600–2000 · blitz + rapid
Barnes Defense802k games · White to move
MoveWhite / draw / BlackPlayedGamesScore
50%399k59%
23%187k56%
8.1%65k56%
6.3%50k58%
5.6%45k57%
1.9%15k53%
1%7.8k54%
0.8%6.8k54%
0.5%4.0k52%
0.5%3.6k54%
Famous games in this line5 master games
Priasmoro, Novendra (2501)Fedoseev, Vl3 (2701)20220–1Kupreichik, Viktor D (2545)Fritsche, Lutz (2365)19951–0Karpatchev, Aleksandr (2480)Lisanti, Andre (2282)20041–0Mai, Philipp (2300)Van Rijn, Wouter (2203)20071–0Govoreanu, Matei (2142)Van Dael, Siem (2279)20241–0
Heroes of this opening Fedoseev, Vl3 · Kupreichik, Viktor D · Karpatchev, Aleksandr · Mai, Philipp
Category
Semi-Open
First move
1.e4
ECO
B00
Line
1. e4 f6
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