Chess Puzzle #lcHNZ — Master, White to move, middlegame

Position

White: king b1; rooks d1/f5; bishops b4/g6; pawns a2/b2/e4/g3/h4. Black: king e7; rooks b8/h8; bishop e3; knights c5/f6; pawns a4/b5/c6/g4/h5. Black is ahead by 3 points of material. White to move.

Solution (4 moves)

1. Opponent setup: Nd7 — knight f6→d7. Now White to move.
2. Best move: Rf7+ — rook f5→f7, gives check. Opponent replies Ke6 (king e7→e6).
3. Best move: Rfxd7 — rook f7→d7, captures knight. Opponent replies Nxd7 (knight c5→d7, captures rook).
4. Best move: Bf5+ — bishop g6→f5, gives check. Opponent replies Kf7 (king e6→f7).
5. Best move: Rxd7+ — rook d1→d7, captures knight, gives check.

Tactical themes

advantage, deflection, exposed king, middlegame, sacrifice, very long. The key move Rxd7+ captures with check, forcing a response.

Position data

FEN: 1r5r/4k3/2p2nB1/1pn2R1p/pB2P1pP/4b1P1/PP6/1K1R4 b - - 5 30

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