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

Position

White: king b1; rooks g1/g5; bishop d4; pawns a3/b2/c3. Black: king f7; queen c4; bishop g4; knight f6; pawns a4/f3. Black is ahead by 1 point of material. Black to move.

Solution (5 moves)

1. Opponent setup: Bxf6 — bishop d4→f6, captures knight. Now Black to move.
2. Best move: Qe4+ — queen c4→e4, gives check. Opponent replies Ka1 (king b1→a1).
3. Best move: f2 — pawn f3→f2. Opponent replies R5xg4 (rook g5→g4, captures bishop).
4. Best move: Qe1+ — queen e4→e1, gives check. Opponent replies Rxe1 (rook g1→e1, captures queen).
5. Best move: fxe1=Q+ — pawn f2→e1, captures rook, promotes to queen, gives check. Opponent replies Ka2 (king a1→a2).
6. Best move: Qe6+ — queen e1→e6, gives check.

Tactical themes

advanced pawn, crushing, endgame, promotion, sacrifice, very long. The key move fxe1=Q+ captures with check, forcing a response.

Position data

FEN: 8/5k2/5n2/6R1/p1qB2b1/P1P2p2/1P6/1K4R1 w - - 3 50

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