Chess Puzzle #UR569 — Master, Black to move, middlegame

Position

White: king a3; queen d5; pawns a2/b2/c3/g4/h3. Black: king e8; queen e3; pawns a7/d4/f7/g6/h7. Material is balanced. Black to move.

Solution (6 moves)

1. Opponent setup: Qxd4 — queen d5→d4, captures pawn. Now Black to move.
2. Best move: Qxd4 — queen e3→d4, captures queen. Opponent replies cxd4 (pawn c3→d4, captures queen).
3. Best move: f5 — pawn f7→f5. Opponent replies gxf5 (pawn g4→f5, captures pawn).
4. Best move: g5 — pawn g6→g5. Opponent replies Kb3 (king a3→b3).
5. Best move: h5 — pawn h7→h5. Opponent replies Kc4 (king b3→c4).
6. Best move: g4 — pawn g5→g4. Opponent replies hxg4 (pawn h3→g4, captures pawn).
7. Best move: h4 — pawn h5→h4.

Tactical themes

crushing, defensive move, endgame, queen endgame, quiet move, sacrifice, very long. The key move Qxd4 wins material.

Position data

FEN: 4k3/p4p1p/6p1/3Q4/3p2P1/K1P1q2P/PP6/8 w - - 1 47

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