Chess Puzzle #DL6T0 — Advanced, White to move, middlegame

Position

White: king g1; queen f3; rooks b1/f1; pawns a2/c3/c4/g2/g4. Black: king c8; queen d7; rooks d8/h8; pawns a7/b7/d4/e6/f6/g5/g7. Black is ahead by 2 points of material. White to move.

Solution (5 moves)

1. Opponent setup: b6 — pawn b7→b6. Now White to move.
2. Best move: Qa8+ — queen f3→a8, gives check. Opponent replies Kc7 (king c8→c7).
3. Best move: Qxa7+ — queen a8→a7, captures pawn, gives check. Opponent replies Kd6 (king c7→d6).
4. Best move: Rxb6+ — rook b1→b6, captures pawn, gives check. Opponent replies Ke7 (king d6→e7).
5. Best move: Rb7 — rook b6→b7. Opponent replies Qxb7 (queen d7→b7, captures rook).
6. Best move: Qxb7+ — queen a7→b7, captures queen, gives check.

Tactical themes

crushing, deflection, endgame, exposed king, interference, pin, queenside attack, very long. The key move Qxa7+ captures with check, forcing a response.

Position data

FEN: 2kr3r/pp1q2p1/4pp2/6p1/2Pp2P1/2P2Q2/P5P1/1R3RK1 b - - 1 22

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