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

Position

White: king h1; queen g3; rooks d1/f1; bishops e4/h6; pawns c2/c3/d3/e5/f6/h3. Black: king g8; queen a6; rooks a8/f8; bishop g6; knights d5/e8; pawns a2/c6/e6/f7/g7. Black is ahead by 2 points of material. White to move.

Solution (4 moves)

1. Opponent setup: Kh7 — king g8→h7. Now White to move.
2. Best move: Bxg7 — bishop h6→g7, captures pawn. Opponent replies Nxg7 (knight e8→g7, captures bishop).
3. Best move: Qh4+ — queen g3→h4, gives check. Opponent replies Kg8 (king h7→g8).
4. Best move: Qh6 — queen h4→h6. Opponent replies Nxf6 (knight d5→f6, captures pawn).
5. Best move: exf6 — pawn e5→f6, captures knight.

Tactical themes

crushing, master, middlegame, sacrifice, very long. The key move Bxg7 wins material.

Position data

FEN: r3nrk1/5pp1/q1p1pPbB/3nP3/4B3/2PP2QP/p1P5/3R1R1K b - - 4 29

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