Chess Puzzle #4nPlg — Master, Black to move, middlegame

Position

White: king g1; rooks a4/e5; bishop c5; pawns f2/f5/g2/h3. Black: king h7; rooks b2/c3; knight f6; pawns a5/f7/g4/h6. Material is balanced. Black to move.

Solution (5 moves)

1. Opponent setup: Bd4 — bishop c5→d4. Now Black to move.
2. Best move: Rb1+ — rook b2→b1, gives check. Opponent replies Kh2 (king g1→h2).
3. Best move: g3+ — pawn g4→g3, gives check. Opponent replies fxg3 (pawn f2→g3, captures pawn).
4. Best move: Ng4+ — knight f6→g4, gives check. Opponent replies hxg4 (pawn h3→g4, captures knight).
5. Best move: Rcc1 — rook c3→c1. Opponent replies Bg1 (bishop d4→g1).
6. Best move: Rxg1 — rook c1→g1, captures bishop.

Tactical themes

crushing, endgame, quiet move, sacrifice, very long. The key move is Rb1+.

Position data

FEN: 8/5p1k/5n1p/p1B1RP2/R5p1/2r4P/1r3PP1/6K1 w - - 0 28

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