Chess Puzzle #EW3NB — Master, Black to move, middlegame

Position

White: king g3; queen b8; rook g2; bishop d3; pawns c4/d5/e4/f3/g4. Black: king g6; queen e1; rook h7; bishop e7; pawns c5/d6/e5/f6/g5. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: Rf2 — rook g2→f2. Now Black to move.
2. Best move: Qg1+ — queen e1→g1, gives check. Opponent replies Rg2 (rook f2→g2).
3. Best move: Rh3+ — rook h7→h3, gives check. Opponent replies Kxh3 (king g3→h3, captures rook).
4. Best move: Qh1+ — queen g1→h1, gives check. Opponent replies Rh2 (rook g2→h2).
5. Best move: Qxf3# — queen h1→f3, captures pawn, delivers checkmate.

Tactical themes

attraction, endgame, master, mate, mate in 4, sacrifice, very long. The combination ends with Qxf3# delivering checkmate.

Position data

FEN: 1Q6/4b2r/3p1pk1/2pPp1p1/2P1P1P1/3B1PK1/6R1/4q3 w - - 7 47

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