Chess Puzzle #kz4IO — Expert, White to move, middlegame

Position

White: king g1; queen b1; rook f1; bishops b2/h7; knight h4; pawns a3/c4/e3/f2/g2/h2. Black: king h8; queen c6; rooks d8/f8; bishop e7; knight c5; pawns a6/b7/e5/f6/g7/h6. Black is ahead by 2 points of material. White to move.

Solution (4 moves)

1. Opponent setup: g5 — pawn g7→g5. Now White to move.
2. Best move: Qg6 — queen b1→g6. Opponent replies gxh4 (pawn g5→h4, captures knight).
3. Best move: Qxh6 — queen g6→h6, captures pawn. Opponent replies Rf7 (rook f8→f7).
4. Best move: Be4+ — bishop h7→e4, gives check. Opponent replies Kg8 (king h8→g8).
5. Best move: Bxc6 — bishop e4→c6, captures queen.

Tactical themes

advantage, discovered attack, exposed king, middlegame, sacrifice, very long. The key move is Qg6.

Position data

FEN: 3r1r1k/1p2b1pB/p1q2p1p/2n1p3/2P4N/P3P3/1B3PPP/1Q3RK1 b - - 4 23

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