A bishop moves diagonally — any number of empty squares, in a straight diagonal line, forward or backward. That’s its one and only move. Because it travels only on diagonals, a bishop stays on a single color for the entire game: a bishop that starts on a light square will only ever touch light squares.
Simple rule, surprising depth. The bishop is a long-range sniper that loves open boards. Let’s break it down.
Bishop cheat sheet
- Move: diagonally, any number of empty squares (forward or back).
- Color-locked: stays on one color (light or dark) all game.
- Cannot move straight (up/down/across) — that’s the rook’s job.
- Captures by sliding onto an enemy piece along its diagonal.
- Loves open positions with long, clear diagonals.
How does a bishop move on the board?
Diagonally, period. A bishop slides along the diagonal lines of squares — the ones that run corner-to-corner. It can go as far as it wants in one move, as long as the path is clear, and it can travel forward or backward along those diagonals.
From a central square, a bishop sits at the crossing of two diagonals, so it controls a big X-shape of squares. Tuck it in a corner, though, and it only has one diagonal to work with — like the knight, the bishop is much happier near the middle of the board where its reach is longest.
One thing a bishop cannot do: move in a straight horizontal or vertical line. No going “up one square” or “across two.” If you need straight-line power, that’s the rook’s department. The bishop and rook are perfect opposites — and the queen is what you get when you combine them.
Why does a bishop stay on one color?
This trips people up, so here’s the logic: every diagonal move keeps a bishop on the same color square. Step diagonally from a light square and you land on… another light square. There’s no diagonal step that ever switches colors. So whatever color your bishop starts on, it’s locked there for life.
That’s why you have two bishops, and they’re a team:
One bishop patrols the light squares, the other patrols the dark squares. Individually each one can only ever touch half the board — but together they cover everything. This teamwork is why two bishops are so strong; more on that below.
It also means a bishop is useless for defending or attacking squares of the other color. If your enemy king is hiding on dark squares and you only have a light-squared bishop left, that bishop literally cannot touch it. Color matters more than beginners realize.
How does a bishop capture?
Exactly the way it moves — along a diagonal. A bishop captures by sliding onto a square occupied by an enemy piece, anywhere along its diagonal path, then taking that piece’s place.
The catch: a bishop can’t jump. If any piece — yours or the enemy’s — sits in the bishop’s diagonal path, the bishop is blocked there. It can capture the first enemy piece it runs into on a diagonal, but it can’t reach past it. (The only piece that ignores blockers is the knight.)
This is why bishops feel weak in cramped, pawn-clogged positions and feel mighty in open ones. Clear the diagonals and a bishop can reach across the entire board in a single move.
What is the “bishop pair” and why is it strong?
Having both of your bishops while your opponent has lost one is called holding the bishop pair, and it’s a real, measurable advantage. Remember each bishop covers only one color — but a pair covers both, so together they can attack and defend any square on the board. That combined coverage makes them a fearsome long-range duo, especially as the board opens up in the middlegame and endgame.
This is also why trading away a bishop for a knight isn’t always an even swap, even though both are worth about 3 points. Give up a bishop and you might be handing your opponent the pair. Good players think twice before breaking it up.
Why the bishop matters
A bishop is worth roughly 3 points — same as a knight — but its personality is the opposite. Bishops crave open positions with long, unobstructed diagonals where they can rake across the board. A well-placed bishop on a clear diagonal can control a dozen squares from a safe distance, pinning enemy pieces and supporting attacks without ever leaving home.
The flip side: a “bad bishop” hemmed in by its own pawns is one of the saddest pieces in chess. Where you place your pawns directly decides whether your bishops thrive or suffocate.
Common bishop mistakes
- Blocking your own bishop with pawns. Pawns on the bishop’s color squares wall it in. Try to keep your pawns off the squares your bishop needs.
- Forgetting it’s color-locked. If a key square or the enemy king is on the “wrong” color, your bishop simply can’t help there. Plan around it.
- Trading the bishop pair carelessly. Swapping a bishop for a knight can hand your opponent the powerful two-bishop advantage. Don’t do it without a reason.
- Leaving bishops home too long. Like knights, bishops want to get into the game early. Develop them to active diagonals in the opening.
A fun aside
Centuries ago, the bishop was much weaker — it could only hop exactly two squares diagonally and could jump over a piece in between. The modern “slide any distance” bishop arrived with the big chess overhaul of the late 1400s (the same reform that supercharged the queen). And the name? It’s a “bishop” in English, but other languages call the same piece a “runner,” an “elephant,” or a “fool” — its slanted top in many sets is said to resemble a bishop’s mitre hat.
Key takeaways
- A bishop moves diagonally, any number of empty squares, forward or backward.
- It’s color-locked — it stays on light or dark squares for the entire game.
- It can’t jump over pieces and can’t move in straight lines.
- It captures along its diagonal by landing on an enemy piece.
- The bishop pair (both bishops) covers the whole board and is a real advantage.
FAQ
Can a bishop move backward? Yes — diagonally backward is totally fine. The only restriction is that it must stay on diagonals.
Can a bishop move horizontally or vertically? No. Straight up-down and side-to-side moves belong to the rook. The bishop is diagonals only.
Why does my bishop only land on one color? Because every diagonal step keeps it on the same color square. There’s no diagonal move that switches colors, so it’s locked for the whole game.
How many squares can a bishop move? As many as it wants along a clear diagonal — up to seven in one move on an empty board. It just can’t jump over anything in the way.
Can a bishop jump over pieces? No. Only the knight can jump. A bishop stops at the first piece in its path (capturing it if it’s an enemy).
Is the bishop pair really worth it? Yes. Two bishops working together cover both colors and dominate open positions, which is why losing one is more than a minor setback.
Keep climbing
You’ve got the diagonal master. Now meet its straight-line opposite.
Next up: How does a rook move? · Back to the overview of all pieces · Or see what a rook and bishop look like combined: the queen.
Written and fact-checked by the Chess Lab Academy Editorial Team (AI-assisted, human-edited) · Rules verified against the FIDE Laws of Chess (Article 3.2) and every position checked with Stockfish 17 · Last verified 2026-06-25 · Sources · How we verify content.