Chess Puzzle #4vhM4 — Beginner, Black to move, middlegame

Position

White: king f1; queen a7; rooks a1/e1; bishop g2; pawns c6/d4/f2. Black: king e6; queen h2; rook f8; bishop g3; knight b6; pawns d5/e4/g4. White is ahead by 2 points of material. Black to move.

Solution (1 move)

1. Opponent setup: Qxb6 — queen a7→b6, captures knight. Now Black to move.
2. Best move: Rxf2# — rook f8→f2, captures pawn, delivers checkmate.

Why this works

After 1...Rxf2#, Black delivers checkmate because the white king on f1 has no escape squares and no piece can interpose or capture the rook. The king cannot move to e1 (controlled by the rook on f2), e2 (controlled by Black's queen on h2 via the long diagonal), g1 (also controlled by the queen on h2), or stay on f1 (the rook gives check). White's bishop on g2 cannot capture the rook on f2 because the queen on h2 guards that square. The rook on e1 is pinned—it cannot interpose on f1 because the queen on h2 would then deliver check along the e1-h2 diagonal. White's last move, Qxb6, left the f2 pawn undefended and allowed Black's rook to deliver the final blow on an open f-file.

What to practice

The opera mate pattern occurs when a queen and rook (or queen and bishop) coordinate to trap a king on its own back rank or near the center. Here, Black's queen on h2 controls critical escape squares (e2, g1) while the rook delivers the decisive blow on f2. Look for positions where your opponent's king lacks flight squares and pieces converge on nearby files or diagonals—a single forcing move often completes the net.

Tactical themes

mate, mate in 1, middlegame, one move, opera mate. The combination ends with Rxf2# delivering checkmate.

Position data

FEN: 5r2/Q7/1nP1k3/3p4/3Pp1p1/6b1/5PBq/R3RK2 w - - 0 32

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