Chess Puzzle #HK0qj — Intermediate, Black to move, middlegame

Position

White: king g1; queen g6; rooks f1/g3; pawns a2/c4/d3/e3/g2/h2. Black: king g8; queen e5; rooks e8/f7; pawns a7/b7/f6/g7/h6. White is ahead by 1 point of material. Black to move.

Solution (2 moves)

1. Opponent setup: Qxh6 — queen g6→h6, captures pawn. Now Black to move.
2. Best move: Qxg3 — queen e5→g3, captures rook. Opponent replies hxg3 (pawn h2→g3, captures queen).
3. Best move: gxh6 — pawn g7→h6, captures queen.

Why this works

After White's 26.Qxh6, Black recognizes that White's queen and rook on g3 are densely packed on the kingside with limited escape routes. Black's 1...Qxg3 removes the rook and forces White's 2.hxg3 (the h-pawn must recapture because the king on g1 cannot interpose). This recapture fatally exposes the h-file: Black's 2...gxh6 wins the queen outright. White cannot recapture on h6 with any piece—the king on g1 is too far away, and the rook on f1 has no access. The combination works because White's last move, 26.Qxh6, placed the queen on a square where it becomes undefended once Black trades off the defender on g3. The rook sacrifice is only a temporary material exchange; the real gain is the undefended queen.

What to practice

In endgames with exposed kings and concentrated pieces, calculate forcing exchanges that remove defenders. When an opponent's piece lands on a square defended by only one defender, look for a forcing trade sequence that eliminates that defender and leaves the original piece hanging. This puzzle isolates the pattern: sacrifice the less valuable piece (rook) to force a recapture that opens a line or removes the support, then capture the higher-value piece (queen) for free. Train this recognition on material-up positions where the opponent's piece coordination is tight.

Tactical themes

advantage, endgame, short. The key move Qxg3 wins material.

Position data

FEN: 4r1k1/pp3rp1/5pQp/4q3/2P5/3PP1R1/P5PP/5RK1 w - - 9 26

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