Chess Puzzle #rjN3N — Expert, Black to move, middlegame

Position

White: king c1; queen e4; rook e1; knight b3; pawns a3/c2/e7/f2/g2/h2. Black: king c8; queen b2; rook e8; bishop g7; pawns a7/b7/c7/g4/h6. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: Kd2 — king c1→d2. Now Black to move.
2. Best move: Bc3+ — bishop g7→c3, gives check. Opponent replies Kd1 (king d2→d1).
3. Best move: Bxe1 — bishop c3→e1, captures rook. Opponent replies Qxg4+ (queen e4→g4, captures pawn, gives check).
4. Best move: Kb8 — king c8→b8. Opponent replies Qd7 (queen g4→d7).
5. Best move: Qh8 — queen b2→h8.

Tactical themes

advantage, defensive move, endgame, skewer, very long. The key move is Bc3+.

Position data

FEN: 2k1r3/ppp1P1b1/7p/8/4Q1p1/PN6/1qP2PPP/2K1R3 w - - 0 25

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