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

Position

White: king g1; queen h6; rooks a1/f1; bishop g2; knight c3; pawns a2/b2/d5/e3/f2/h2/h4. Black: king c8; queen e7; rook d8; bishop b7; knights e5/h5; pawns a7/b6/c7/d6/f6/g6. White is ahead by 3 points of material. Black to move.

Solution (5 moves)

1. Opponent setup: f4 — pawn f2→f4. Now Black to move.
2. Best move: Ng4 — knight e5→g4. Opponent replies Qxg6 (queen h6→g6, captures pawn).
3. Best move: Qxe3+ — queen e7→e3, captures pawn, gives check. Opponent replies Kh1 (king g1→h1).
4. Best move: Ng3+ — knight h5→g3, gives check. Opponent replies hxg3 (pawn h2→g3, captures knight).
5. Best move: Qxg3 — queen e3→g3, captures pawn. Opponent replies Qxg4+ (queen g6→g4, captures knight, gives check).
6. Best move: Qxg4 — queen g3→g4, captures queen.

Tactical themes

advantage, discovered attack, kingside attack, middlegame, sacrifice, very long. The key move Qxe3+ captures with check, forcing a response.

Position data

FEN: 2kr4/pbp1q3/1p1p1ppQ/3Pn2n/7P/2N1P3/PP3PBP/R4RK1 w - - 2 18

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