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

Position

White: king f4; queen e6; rooks a1/f1; knight e4; pawns a2/b2/e2/f2/g3/g5. Black: king b8; queen h5; rooks d4/h8; knight h6; pawns a7/b7/c7. White is ahead by 3 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Rh1 — rook f1→h1. Now Black to move.
2. Best move: Rxe4+ — rook d4→e4, captures knight, gives check. Opponent replies Qxe4 (queen e6→e4, captures rook).
3. Best move: Qg4+ — queen h5→g4, gives check. Opponent replies Ke3 (king f4→e3).
4. Best move: Nf5+ — knight h6→f5, gives check. Opponent replies Kd2 (king e3→d2).
5. Best move: Rd8+ — rook h8→d8, gives check.

Tactical themes

advantage, middlegame, sacrifice, very long. The key move Rxe4+ captures with check, forcing a response.

Position data

FEN: 1k5r/ppp5/4Q2n/6Pq/3rNK2/6P1/PP2PP2/R4R2 w - - 2 25

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