Chess Puzzle #I26BC — Master, Black to move, middlegame

Position

White: king g1; queen c6; rook d7; knight c4; pawns a2/b3/c3/e4/g2/h2. Black: king h8; queen b8; rook d8; bishop f6; pawns a6/c5/e5/g7/h7. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: Rb7 — rook d7→b7. Now Black to move.
2. Best move: Rd1+ — rook d8→d1, gives check. Opponent replies Kf2 (king g1→f2).
3. Best move: Bh4+ — bishop f6→h4, gives check. Opponent replies Ke2 (king f2→e2).
4. Best move: Qd8 — queen b8→d8. Opponent replies Rb8 (rook b7→b8).
5. Best move: Re1+ — rook d1→e1, gives check.

Tactical themes

advantage, endgame, quiet move, very long. The key move is Rd1+.

Position data

FEN: 1q1r3k/3R2pp/p1Q2b2/2p1p3/2N1P3/1PP5/P5PP/6K1 w - - 1 30

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