Chess Puzzle #TUPlV — Advanced, Black to move, middlegame

Position

White: king b1; queen a4; rooks d2/h1; pawns a2/b2/d3/e2/e3/f3/h2. Black: king g8; queen e5; rook f8; bishop g7; pawns e7/f7/g6/h7. White is ahead by 5 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Qd4 — queen a4→d4. Now Black to move.
2. Best move: Qa5 — queen e5→a5. Opponent replies b4 (pawn b2→b4).
3. Best move: Rb8 — rook f8→b8. Opponent replies Rb2 (rook d2→b2).
4. Best move: Bxd4 — bishop g7→d4, captures queen.

Tactical themes

advantage, endgame, long, pin. The key move is Qa5.

Position data

FEN: 5rk1/4ppbp/6p1/4q3/Q7/3PPP2/PP1RP2P/1K5R w - - 1 21

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