Chess Puzzle #D10Rj — Expert, White to move, middlegame

Position

White: king h1; queen e2; rooks c5/f1; bishop d2; pawns a3/b4/e5/f5/g2/h2. Black: king g8; queen e7; rooks a8/f8; bishop c6; pawns a6/b7/d5/e6/f7/g7/h7. Black is ahead by 1 point of material. White to move.

Solution (4 moves)

1. Opponent setup: Bb5 — bishop c6→b5. Now White to move.
2. Best move: Rxb5 — rook c5→b5, captures bishop. Opponent replies axb5 (pawn a6→b5, captures rook).
3. Best move: f6 — pawn f5→f6. Opponent replies Qc7 (queen e7→c7).
4. Best move: Qg4 — queen e2→g4. Opponent replies g6 (pawn g7→g6).
5. Best move: Qg5 — queen g4→g5.

Tactical themes

advantage, middlegame, sacrifice, very long. The key move Rxb5 wins material.

Position data

FEN: r4rk1/1p2qppp/p1b1p3/2RpPP2/1P6/P7/3BQ1PP/5R1K b - - 0 21

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