Chess Puzzle #pTLFb — Expert, Black to move, middlegame

Position

White: king e1; queen f7; rooks a1/h1; bishops e2/g3; knight f3; pawns a2/b2/c3/f2/g2/h2. Black: king h8; queen d8; rook a8; bishops a5/g4; knights d3/g6; pawns a7/b7/g7/h7. White is ahead by 4 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Bxd3 — bishop e2→d3, captures knight. Now Black to move.
2. Best move: Qxd3 — queen d8→d3, captures bishop. Opponent replies Rd1 (rook a1→d1).
3. Best move: Qe4+ — queen d3→e4, gives check. Opponent replies Kf1 (king e1→f1).
4. Best move: Be6 — bishop g4→e6. Opponent replies Qxe6 (queen f7→e6, captures bishop).
5. Best move: Qxe6 — queen e4→e6, captures queen.

Tactical themes

advantage, middlegame, trapped piece, very long. The key move Qxd3 wins material.

Position data

FEN: r2q3k/pp3Qpp/6n1/b7/6b1/2Pn1NB1/PP2BPPP/R3K2R w KQ - 3 18

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