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

Position

White: king b1; rooks f4/g4; knight e5; pawns a2/c5/d4/f2/g2/h5. Black: king h8; rooks a8/f8; pawns a4/b3/c3/c7/e6/f7. White is ahead by 3 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Nxf7+ — knight e5→f7, captures pawn, gives check. Now Black to move.
2. Best move: Rxf7 — rook f8→f7, captures knight. Opponent replies Rxf7 (rook f4→f7, captures rook).
3. Best move: c2+ — pawn c3→c2, gives check. Opponent replies Kc1 (king b1→c1).
4. Best move: bxa2 — pawn b3→a2, captures pawn. Opponent replies Kxc2 (king c1→c2, captures pawn).
5. Best move: a1=Q — pawn a2→a1, promotes to queen.

Tactical themes

advanced pawn, advantage, deflection, endgame, promotion, sacrifice, very long. The key move Rxf7 wins material.

Position data

FEN: r4r1k/2p2p2/4p3/2P1N2P/p2P1RR1/1pp5/P4PP1/1K6 w - - 0 30

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