Chess Puzzle #PYdvP — Advanced, Black to move, middlegame

Position

White: king c1; queen h6; rooks g1/g4; knight g5; pawns a2/b2/e5/f2/h4. Black: king h8; queen e7; rooks g7/g8; knight d4; pawns a7/b7/d5/e6/f7/h7. Black is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: Rxd4 — rook g4→d4, captures knight. Now Black to move.
2. Best move: Qc5+ — queen e7→c5, gives check. Opponent replies Kb1 (king c1→b1).
3. Best move: Qxd4 — queen c5→d4, captures rook. Opponent replies Qf6 (queen h6→f6).
4. Best move: Qd3+ — queen d4→d3, gives check. Opponent replies Ka1 (king b1→a1).
5. Best move: Qg6 — queen d3→g6.

Tactical themes

advantage, fork, middlegame, very long. The key move is Qc5+.

Position data

FEN: 6rk/pp2qprp/4p2Q/3pP1N1/3n2RP/8/PP3P2/2K3R1 w - - 0 23

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