How to Checkmate With Two Bishops: Step-by-Step Technique

In this article, we’ll cover step-by-step how to deliver a checkmate with two bishops against a bare king. Achieving checkmate using two bishops is a vital endgame skill to acquire, relevant to chess enthusiasts spanning from novices to those at higher echelons, as it will enhance your comprehension of the power of the bishop pair and dominance over the chessboard.

TL;DR: Checkmate With Two Bishops in Brief

Yes, a king and two bishops can force checkmate against a lone king, and it is one of the more reliable basic mates to learn. The two bishops cover both color complexes, your king joins them, and together they herd the enemy king into a corner of the board.

• Two bishops of opposite colors plus your king beat a lone king every time; two bishops of the same color cannot.
• The method has three ideas: build a diagonal wall with the bishops, walk your king up to support them, then shrink the wall step by step toward a corner.
• Unlike the bishop-and-knight mate, the enemy king can be mated in any corner, so the 50-move rule is rarely a worry.
• The one real danger is stalemate in the final corner, so always keep a waiting move in hand before the last check.

The full move-by-move method, the exact king routes, and a board you can play out yourself are all below.

What is the checkmate with two bishops?

A checkmate with two bishops is executed with a bishop pair, where, with the aid of the king, the enemy king is systematically forced to the edge of the board and eventually checkmated in the board’s corner with one of the bishops.

Can You Checkmate With Two Bishops? (2 Bishops vs a Lone King)

Yes. A king and two bishops of opposite colors can always force checkmate against a lone king, and the win is far easier to execute than the notorious bishop-and-knight mate. Because the two bishops between them control both the light and the dark squares, the defending king is never able to slip through the diagonal net for long.

There is only one situation where it fails: two bishops of the same color. If both of your bishops travel on light squares, or both on dark squares, then half of the board is permanently out of their reach, and a lone king can simply sit on the wrong color forever. This only happens after an under-promotion, so in practice the mate with two bishops is virtually always available to you.

Why is it crucial to master this endgame technique?

Although it’s improbable that you’ll encounter the precise scenario outlined in this article, the concept of bishop pairs holds immense significance in chess. Similar to the knight and bishop checkmate, achieving checkmate with two bishops revolves around the core idea of restricting the opponent’s king. This entails maintaining control over both color complexes on the chessboard. Mastering the two bishops checkmate reveals the sheer potency of a pair of bishops in their purest form and honing this valuable skill will not only prove advantageous in endgame situations but also offer strategic benefits in the middle and opening phases of the game.

How the Two Bishops Mate Compares to Other Basic Mates

It helps to see where this endgame sits among the elementary checkmates. The bishop pair is comfortably easier to handle than a bishop and knight, and unlike two knights it is a genuine forced win.

The key takeaway is that with two bishops you may drive the enemy king to whichever corner is nearest, which keeps the whole job comfortably inside the 50-move limit.

Delivering checkmate with two bishops: step-by-step technique

The 50-move rule, which comes into play in scenarios like Bishop+Knight or Queen vs. Rook, is not a concern when dealing with checkmate using a bishop pair. This is primarily because achieving checkmate with two bishops typically unfolds at a much quicker pace.

The key strategy behind executing the checkmate pattern with two bishops revolves around securing critical diagonals on the chessboard to construct a web of mate-threats. By positioning the bishops in adjacent squares, we establish a V-shaped dominion over the board, aiming to ensnare the opponent’s king within this intricate web. With each move or step, our objective is to progressively confine the king within a progressively diminishing mating net.

Diagram 1 (D1)

We will start with the position above (D1).

Step #1: Occupying the central squares with bishops

Diagram 2 (D2)

Our first task is to occupy the central squares, such as d4 and e4, with the bishops so that we reach the position in diagram 2 (D2) from our starting position (D1). The standard method is to bring the bishops to the long-diagonals first and then bring them to the central squares. 1.Bg2 Kd6 2.Bb2 and we now cover the long-diagonals. 2…Ke6 3.Be4, we don’t let the enemy king go to f5, 3…Kd6 4.Bd4 (D2) and now the mission is complete for our first step.

Step #2: Get your King to the central squares to support bishops

Diagram 3 (D3)

Our second step is probably the most straightforward. All we need to do is let our king join the party to support the powerful bishop duo. In this case, we want to transfer our king from e2 to f5: 4…Ke6 5.Kf3 Kd6 6.Kf4 Ke6 7.Kg5 Kd6 8.Kf5 (D3)

Step #3: Transfer your bishops to c5-d5 squares and King to e6

(Diagram 4) D4

Our subsequent objective is to further confine the enemy king within an even tighter enclosure. We achieve this by advancing our bishops one square closer to the edge of the board, which would mean, placing the bishop pair on the c5 and d5 squares respectively in our case. So, 8…Kd7 9.Bc5 Ke8 10.Bd5 and now we need to get our king closer to the bishops. The optimal destination is the e6 square, which can be reached in just two moves: 10…Kd7 followed by 11.Kf6 Kc7 and 12.Ke6 (D4), successfully attaining our objective (D4). At this point, the black king is left with only four legitimate squares to maneuver.

Step #4: Trap Black’s King in the board’s corner and checkmate

(Diagram 5) D5

In our concluding phase, we break it down into two substeps: firstly, compelling the opponent’s king towards the board’s corner, and subsequently, restricting the enemy king to a mere two permissible squares for back-and-forth movement. Just as in the previous step, we need to move the bishop pair one square further, b6 and c6, to achieve this net: 13…Kd8 (13…Kc8 14.Bb6 Kb8 15.Bc6) 14.Bb6+ Kc8 (14…Ke8 is does not help either, 15.Bc6+ Kf8 16.Kf6 Kg8 17.Kg6 Kf8 18.Bc5+ Kg8 19.Bd5+ Kh8 20.Bd4# checkmate) 15.Bc6 Kb8 and now we need the help of our king, which we would want to be placed on a6 ideally: 16.Kd5 Kc8 17.Kc5 Kb8 18.Kb5 Kc8 19.Ka6 Kb8. Now we need to control c8 square and let the enemy king shuffle between a8 and b8: 20.Bd7 Ka8. The remainder of the process involves executing a straightforward checkmate in three moves, executed through two final checks. It’s crucial to withdraw the other bishop, positioning it back on the a7-g1 diagonal, thus delivering a check from a distant location. However, it’s essential to exercise caution to avoid accidentally stalemating the opponent, like the erroneous 21.Bc7??. 21.Bc5 Kb8 22.Bd6+ Ka8 23.Bc6# (D5) checkmate.

Common mistakes when checkmating with two bishops

The technique itself is reliable, but three errors turn a winning position into a frustrating one. Knowing them in advance is what separates a clean mate from a slow, nervous one.

Stalemating the king in the corner

This is by far the most common blunder. When the enemy king is shuffling between its last two squares, it is tempting to slam the bishop down and remove its final escape. If that move does not also give check, you have stalemated the opponent and thrown away the full point. Always confirm the king still has a legal reply, or that your move is checkmate, before you play it. The safe habit is to deliver the last blow as a check from a bishop on a distant diagonal, never by quietly taking the final square.

Letting the king escape back to the center

If your bishops drift apart, even by a single square, the king slips through the gap and you start over. Keep the pair on adjacent diagonals so they guard each other and form an unbroken wall, and only advance one bishop once the other is ready to support it.

Pushing the king toward the wrong corner

With two bishops you can mate in any corner, but the cleanest finish comes when your king and bishops are coordinated on the side you are driving toward. Decide on a corner early and herd the king there, rather than chasing it back and forth across the board.

Now practice checkmate with two bishops on a chess board with your friend

To truly hone your proficiency in executing checkmate with two bishops, the most effective approach is to engage in regular practice sessions with a friend or against a computer opponent. Vary the initial positions of the pieces each time to challenge your adaptability and broaden your mastery of this strategic skill.

How to practice the two bishops checkmate effectively

Reading the moves once is not enough. The reason this ending feels hard at the board is that the enemy king almost never cooperates the way a diagram does, so you have to recognize the pattern rather than memorize a single line. The fastest way to internalize it is to set up the position and force the mate from many different starting squares.

• Against the engine: drop your king and both bishops onto random squares with a lone enemy king and play it out. Try to mate inside the 50-move rule every time; with two bishops you should finish far quicker.
• Against a friend: let them defend as stubbornly as possible. A good defender runs toward the center and toward the wrong-colored corner, which teaches you how to steer the king where you want it.
• From the danger zone: set up the final corner position and practice the last few moves on their own. This is where almost every botched two bishops checkmate goes wrong, so it deserves the most repetition.

Use the replayable game below to drill the full technique, then reset and try to reproduce it from memory against a defending king.

How to Defend Against Two Bishops and a King

Sooner or later you will be on the other side of this endgame, down to a lone king against the bishop pair. You cannot save the game against accurate play, but you can make your opponent earn it, and weaker opponents miss the technique more often than you might think.

• Stay in the center as long as possible. Every move you spend in the middle of the board is a move your opponent must spend driving you out. The edge, and then the corner, is where you lose.
• Walk away from the bishops, not into them. Head for open space rather than toward the diagonal wall, and make your opponent rebuild the net from the other side.
• Play for stalemate. In the final corner, occupy the square that invites a careless quiet move. Many players stalemate the lone king purely by reflex.
• Count to fifty. If no capture or pawn move occurs in fifty moves you can claim a draw, so a disorganized opponent who wanders may simply run out of time on the rule.

Final Thoughts

Visualizing the bishop pair as best friends, whose potential is fully realized when they collaborate, is a useful perspective. This synergy is clearly demonstrated in the pattern of their placements throughout each step: e4-d5, d5-c5, c6-b6. The method of achieving checkmate with two bishops serves as an enlightening illustration of the remarkable capabilities of the bishop pair. Proficiency in this technique will significantly enhance your comprehension of board dominance and strategic control.

Written by

Anton Shuravin

Founder of ChessDoctrine.com and author of most of its content. A FIDE-rated player with more than 14 years of experience, rated 1900+ on Lichess in bullet and blitz. Has recorded 88 lessons for the ChessDoctrine YouTube channel. Currently completing a Bachelor's degree in Linguistics. Plays the Ruy Lopez, English Opening, and Réti as White, and the French Defense and King's Indian as Black.

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Deniz Tasdelen, FIDE-rated player

FIDE-rated player (ID 6305946) with 20+ years of competitive experience. Top-20 finish at the European Youth Championship, three-time 3rd at the Turkish Youth Championship, and competed at the World Youth and World Junior Championships. Defeated both Hikaru Nakamura and Fabiano Caruana at the FIDE Fischer Random World Championship — both games live-streamed by chess.com.

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FAQ

Can you get a checkmate with two bishops?

Yes, in contrast to the scenario of two knights against a lone king, achieving checkmate with just two bishops is entirely possible.

What is a two-bishop checkmate called?

Checkmates involving two bishops of different colors in a manner of criss-crossing diagonals are called Boden’s Mate.

Can you checkmate with two bishops of the same color?

It is not possible to checkmate with two bishops of the same color because they do not collectively cover both color complexes of the chessboard. This limitation makes achieving checkmate with two bishops of the same color impossible

How many moves does it take to checkmate with two bishops?

From a random starting position, correct play forces mate in well under twenty moves, and usually far fewer once your pieces are coordinated. That comfortably beats the 50-move rule, which is one reason the two bishops mate is considered a routine technical win.

Is the two bishops checkmate a forced win?

Yes. With two bishops of opposite colors and your king, the mate can always be forced against a lone king. The only basic two-piece ending that cannot be forced at all is king and two knights against a lone king.

Is it easier to mate with two bishops or with a bishop and knight?

Two bishops are decidedly easier. The bishop-and-knight mate can only be delivered in the corner that matches the bishop’s color and demands a precise maneuver, whereas two bishops can mate in any corner, so there is far less to memorize.

What is the difference between a double bishop checkmate and the two bishops mate?

The phrases are often used for the same endgame of king and two bishops against a lone king. Just note that “double bishop” is sometimes also used for tactical mates such as Boden’s Mate, where two bishops on criss-crossing diagonals checkmate a castled king in the middlegame rather than in a bare-king ending.