The passed pawn: creating it and exploiting it

The key idea

The passed pawn forces the enemy king to watch it. And a king watching a pawn is a king that stops defending everything else.

Example 1 · The break: manufacturing the passed pawn

Three pawns against three, blocked. It looks like a wall… until white sacrifices two pawns so the third can get through.

1. b6 The move that breaks the wall. We offer the central pawn of the chain and the opponent has no good answer: whichever pawn it captures with, it opens the highway for one of ours.
2. axb6 Black captures toward the center. The alternative (cxb6) had the same problem, just mirrored: the mechanism works against both captures.
3. c6 Second sacrifice, and this is the heart of the idea: the c-pawn offers itself to deflect the pawn on b7, the only one still guarding the a-file.
4. bxc6 Black eats the second pawn. Now it's two pawns up… and it doesn't matter at all, because none of black's four pawns can go back to stop what's coming.
5. a6 There it is: passed pawn. No black pawn can reach it now. And look at the black king: it's on g8, outside the square — one square too late. If the rule of the square rings a bell from another lesson, this is its moment to shine.
6. Kf8 The king runs desperately, but the math doesn't work out: the pawn needs two moves to queen and the king needs three to reach a8.
7. a7 Second-to-last step. Nothing can get in the way.
8. Ke7 The king keeps running. There's no race left.
9. a8=Q Queen. We started with equal material and a wall of pawns; two sacrifices later, Black has four useless pawns and we have a queen. With queen and king against a lone king, you already know how to deliver that mate: it's from another lesson on this very track.

Example 2 · The decoy: the pawn that wins without queening

Here the passed pawn isn't going to reach queen. It's going to do something just as lethal: drag the black king far from the zone where the game gets decided.

1. a6 The pawn advances and poses the simplest threat in chess: queen in two moves. The black king has no choice — either it chases it, or it loses to queening.
2. Kc6 The black king takes on the job of watchman. It's all there is: the a8 square is within its reach… for now.
3. Ke5 And this is the move of the lesson. The white king does NOT go along with its pawn: it heads the opposite way, toward black's g6 and h7 pawns, which have been left without anyone to defend them.
4. Kb6 The black king keeps at its task: catching the pawn on a6. It's going to succeed. Much good may it do it.
5. Kf6 Meanwhile the white king arrives for the harvest. Count the moves with me: Black is going to spend three catching one pawn; we spend those same three eating two and escorting the h-pawn.
6. Kxa6 Black captures the decoy. Look at the board: its king is on a6, on the other side of the world, and the two pawns on its kingside are on their own.
7. Kg7 The white king comes in through the back door. The pawn on h7 falls right away, the one on g6 right after.
8. Kb5 The black king rushes back. Too late.
9. Kxh7 First pawn. And the white king ends up right next to the one on g6.
10. Kc4 Still running. Still too late.
11. Kxg6 Second pawn. Now the pawn on h4 has a clear road and a king escorting it. The one on a5 died four moves ago, true — but it was the one that decided the game: every move the black king spent on it was one less move defending its kingside.
12. Kd5 The black king is outside the square of the h-pawn. There's nothing to be done.
13. h5 And the pawn runs. Two more moves (h6, h7) and it queens with its king beside it. The decoy on a5 never queened — it won the game all the same.

Practice

Your turn, with White. It's the position from the first example: three pawns against three, blocked. Manufacture the passed pawn with the break and take it to queen. I'll correct you on every move.

1. That's it. You offer the central pawn and Black's wall cracks: however it captures, one of your pawns ends up free. The break starts with the middle pawn of the chain: offer it on b6.
2. Exactly, and notice it was THE only one: the sacrifice goes on the opposite side from its capture, to deflect the pawn on b7. With a6 in its place, your c-pawn would have died blocked by the one on c7. Keep pushing on the opposite side from its capture: the c-pawn offers itself to deflect the one on b7 from its file.
3. Passed pawn and on the move. The black king is outside the square: do the math and you'll see it arrives one square too late. There's no black pawn left that can stop the one on the a-file. Push forward with it.
4. One square away. The black king runs, but the math doesn't add up for it. Don't get distracted by the black king: your pawn runs faster. Push it.
5. Queen. You've turned a pawn blockade into a win with two exact sacrifices. This break decides endgames at every level — now it's yours. Queen it. That pawn cost two sacrifices: finish it off.

The break, executed by you: two pawns handed over, one pawn queened. Next time you see pawns blocked face to face, you won't see a wall anymore — you'll see the question of whether there's a break. And very often there is.