Chess Puzzle #IyTb4 — Intermediate, Black to move, middlegame

Position

White: king g1; queen a3; rook d1; knight d4; pawns c3/f3/g2/h2. Black: king g8; queen b6; rook d8; bishop e2; pawns f7/g7/h6. White is ahead by 1 point of material. Black to move.

Solution (3 moves)

1. Opponent setup: Rd2 — rook d1→d2. Now Black to move.
2. Best move: Qb1+ — queen b6→b1, gives check. Opponent replies Kf2 (king g1→f2).
3. Best move: Qf1+ — queen b1→f1, gives check. Opponent replies Kg3 (king f2→g3).
4. Best move: Qe1+ — queen f1→e1, gives check.

Tactical themes

crushing, endgame, long. The key move is Qb1+.

Position data

FEN: 3r2k1/5pp1/1q5p/8/3N4/Q1P2P2/4b1PP/3R2K1 w - - 2 29

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