Chess Puzzle #fpO0i — Advanced, Black to move, middlegame

Position

White: king g1; queen g4; rook a1; pawns a2/b3/e3/f2/g2/h2. Black: king g8; rooks c8/d8; bishop e5; pawns a6/b5/f7/g7/h7. White is ahead by 2 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Rd1 — rook a1→d1. Now Black to move.
2. Best move: Rxd1+ — rook d8→d1, captures rook, gives check. Opponent replies Qxd1 (queen g4→d1, captures rook).
3. Best move: Bb2 — bishop e5→b2. Opponent replies Kf1 (king g1→f1).
4. Best move: Rc1 — rook c8→c1. Opponent replies Qxc1 (queen d1→c1, captures rook).
5. Best move: Bxc1 — bishop b2→c1, captures queen.

Tactical themes

advantage, endgame, pin, quiet move, very long. The key move Rxd1+ captures with check, forcing a response.

Position data

FEN: 2rr2k1/5ppp/p7/1p2b3/6Q1/1P2P3/P4PPP/R5K1 w - - 0 20

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