Chess Puzzle #kGYwX — Expert, Black to move, middlegame

Position

White: king g2; queen d1; rooks a1/e3; bishop b3; knights b1/f3; pawns a7/b2/c3/d5/e4/f2. Black: king e7; queen g8; rooks a8/h8; bishop g4; knight h5; pawns c7/d6/e5/f7/h4. White is ahead by 4 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Nbd2 — knight b1→d2. Now Black to move.
2. Best move: Bh3+ — bishop g4→h3, gives check. Opponent replies Kxh3 (king g2→h3, captures bishop).
3. Best move: Nf4+ — knight h5→f4, gives check. Opponent replies Kh2 (king h3→h2).
4. Best move: Qg2# — queen g8→g2, delivers checkmate.

Tactical themes

attraction, discovered check, double check, long, mate, mate in 3, middlegame, sacrifice. The combination ends with Qg2# delivering checkmate.

Position data

FEN: r5qr/P1p1kp2/3p4/3Pp2n/4P1bp/1BP1RN2/1P3PK1/RN1Q4 w - - 1 22

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