Chess Puzzle #Ki3Fx — Expert, Black to move, middlegame

Position

White: king g1; queen f6; rook a1; knight b3; pawns a3/c5/d4/e5/f5/g4. Black: king f8; queen a4; rook a8; knight c2; pawns b7/d5/e6/f7/g6. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: Rf1 — rook a1→f1. Now Black to move.
2. Best move: Qxb3 — queen a4→b3, captures knight. Opponent replies fxg6 (pawn f5→g6, captures pawn).
3. Best move: Qg3+ — queen b3→g3, gives check. Opponent replies Kh1 (king g1→h1).
4. Best move: Qh3+ — queen g3→h3, gives check.

Tactical themes

endgame, equality, exposed king, long. The key move Qxb3 wins material.

Position data

FEN: r4k2/1p3p2/4pQp1/2PpPP2/q2P2P1/PN6/2n5/R5K1 w - - 7 33

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