Chess Puzzle #GH4N2 — Master, Black to move, middlegame

Position

White: king g1; queen c4; rooks b3/d1; pawns a2/b2/c2/e4/f2/g3/h3. Black: king c8; queen g6; rook g8; bishop f4; pawns a7/c5/c7/e5/f7/h4. White is ahead by 3 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Kh2 — king g1→h2. Now Black to move.
2. Best move: hxg3+ — pawn h4→g3, captures pawn, gives check. Opponent replies fxg3 (pawn f2→g3, captures pawn).
3. Best move: Bxg3+ — bishop f4→g3, captures pawn, gives check. Opponent replies Kh1 (king h2→h1).
4. Best move: Bf2 — bishop g3→f2. Opponent replies Rg3 (rook b3→g3).
5. Best move: Bxg3 — bishop f2→g3, captures rook.

Tactical themes

advantage, endgame, quiet move, very long. The key move hxg3+ captures with check, forcing a response.

Position data

FEN: 2k3r1/p1p2p2/6q1/2p1p3/2Q1Pb1p/1R4PP/PPP2P2/3R2K1 w - - 0 25

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