Chess Puzzle #qK6Ix — Master, Black to move, middlegame

Position

White: king g1; queen c2; rooks b1/f1; knight c3; pawns a3/b2/f3/g2/h3. Black: king c8; queen a6; rook d8; bishop c5; pawns a7/b7/c7/e3/f4. White is ahead by 5 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Rbd1 — rook b1→d1. Now Black to move.
2. Best move: e2+ — pawn e3→e2, gives check. Opponent replies Kh2 (king g1→h2).
3. Best move: exf1=N+ — pawn e2→f1, captures rook, promotes to knight, gives check. Opponent replies Rxf1 (rook d1→f1, captures knight).
4. Best move: Qxf1 — queen a6→f1, captures rook.

Tactical themes

advanced pawn, advantage, discovered attack, discovered check, fork, long, middlegame, promotion, underpromotion. The key move exf1=N+ captures with check, forcing a response.

Position data

FEN: 2kr4/ppp5/q7/2b5/5p2/P1N1pP1P/1PQ3P1/1R3RK1 w - - 1 30

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