Chess Puzzle #byI4w — Expert, White to move, middlegame

Position

White: king g1; queen e2; rook f1; knights e4/h4; pawns a2/b2/d5/g2/h3. Black: king g8; queen b6; rook a8; bishops d7/h6; pawns a7/b7/d6/e3/e5/h7. Black is ahead by 1 point of material. White to move.

Solution (5 moves)

1. Opponent setup: Bb5 — bishop d7→b5. Now White to move.
2. Best move: Qg4+ — queen e2→g4, gives check. Opponent replies Kh8 (king g8→h8).
3. Best move: Rf7 — rook f1→f7. Opponent replies e2+ (pawn e3→e2, gives check).
4. Best move: Kh2 — king g1→h2. Opponent replies Qg1+ (queen b6→g1, gives check).
5. Best move: Kxg1 — king h2→g1, captures queen. Opponent replies e1=Q+ (pawn e2→e1, promotes to queen, gives check).
6. Best move: Kh2 — king g1→h2.

Tactical themes

crushing, middlegame, very long. The key move is Qg4+.

Position data

FEN: r5k1/pp1b3p/1q1p3b/3Pp3/4N2N/4p2P/PP2Q1P1/5RK1 b - - 0 22

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