Chess Puzzle #0jX6s — Master, Black to move, middlegame

Position

White: king g3; queen c2; rooks a1/f1; bishops c1/h5; knight b3; pawns a3/b2/c4/e3. Black: king g8; queen b7; rook f8; bishop g7; knights g4/g5; pawns a7/c5/f4. White is ahead by 6 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Kxg4 — king g3→g4, captures knight. Now Black to move.
2. Best move: Qd7+ — queen b7→d7, gives check. Opponent replies Kxg5 (king g4→g5, captures knight).
3. Best move: Bf6+ — bishop g7→f6, gives check. Opponent replies Kxf4 (king g5→f4, captures pawn).
4. Best move: Bh4+ — bishop f6→h4, gives check. Opponent replies Ke4 (king f4→e4).
5. Best move: Qh7+ — queen d7→h7, gives check.

Tactical themes

advantage, discovered attack, middlegame, sacrifice, very long. The key move is Qd7+.

Position data

FEN: 5rk1/pq4b1/8/2p3nB/2P2pn1/PN2P1K1/1PQ5/R1B2R2 w - - 0 27

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