Chess Puzzle #GSou3 — Expert, Black to move, middlegame

Position

White: king f2; queen a4; rooks a1/f1; bishop d3; knights c3/f3; pawns a2/b2/c4/g2/g4. Black: king e8; queen d4; rooks a8/f8; bishop h6; pawns a7/b6/c7/d7/e6/h7. White is ahead by 5 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Ke2 — king f2→e2. Now Black to move.
2. Best move: Qe3+ — queen d4→e3, gives check. Opponent replies Kd1 (king e2→d1).
3. Best move: Rxf3 — rook f8→f3, captures knight. Opponent replies Qc2 (queen a4→c2).
4. Best move: Qxd3+ — queen e3→d3, captures bishop, gives check. Opponent replies Qxd3 (queen c2→d3, captures queen).
5. Best move: Rxd3+ — rook f3→d3, captures queen, gives check.

Tactical themes

advantage, deflection, exposed king, fork, middlegame, very long. The key move Qxd3+ captures with check, forcing a response.

Position data

FEN: r3kr2/p1pp3p/1p2p2b/8/Q1Pq2P1/2NB1N2/PP3KP1/R4R2 w q - 0 20

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