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

Position

White: king h1; queen h7; rook f1; pawns a2/b2/c6/d3. Black: king g4; rook e2; bishop h3; knight f4; pawns a4/g5/h4. White is ahead by 4 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Qd7+ — queen h7→d7, gives check. Now Black to move.
2. Best move: Kg3 — king g4→g3. Opponent replies Rg1+ (rook f1→g1, gives check).
3. Best move: Bg2+ — bishop h3→g2, gives check. Opponent replies Rxg2+ (rook g1→g2, captures bishop, gives check).
4. Best move: Nxg2 — knight f4→g2, captures rook. Opponent replies Qc7+ (queen d7→c7, gives check).
5. Best move: Nf4 — knight g2→f4.

Tactical themes

crushing, defensive move, endgame, exposed king, very long. The key move is Kg3.

Position data

FEN: 8/7Q/2P5/6p1/p4nkp/3P3b/PP2r3/5R1K w - - 9 42

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