Chess Puzzle #42RnZ — Beginner, Black to move, middlegame

Position

White: king g2; rook c8; knight c3; pawns a4/b5/f2/g3/h2. Black: king g7; rook a3; pawns e5/f4/g4. White is ahead by 5 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: b6 — pawn b5→b6. Now Black to move.
2. Best move: f3+ — pawn f4→f3, gives check. Opponent replies Kf1 (king g2→f1).
3. Best move: Ra1+ — rook a3→a1, gives check. Opponent replies Nb1 (knight c3→b1).
4. Best move: Rxb1+ — rook a1→b1, captures knight, gives check. Opponent replies Rc1 (rook c8→c1).
5. Best move: Rxc1# — rook b1→c1, captures rook, delivers checkmate.

Tactical themes

endgame, mate, mate in 4, very long. The combination ends with Rxc1# delivering checkmate.

Position data

FEN: 2R5/6k1/8/1P2p3/P4pp1/r1N3P1/5PKP/8 w - - 0 48

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