Chess Puzzle #bT7iz — Expert, Black to move, middlegame

Position

White: king g1; knights b4/d6; pawns a2/c5/e5/f4/g2/h3. Black: king h7; rook a8; bishop e6; pawns a5/g7/h6. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: f5 — pawn f4→f5. Now Black to move.
2. Best move: axb4 — pawn a5→b4, captures knight. Opponent replies fxe6 (pawn f5→e6, captures bishop).
3. Best move: Rxa2 — rook a8→a2, captures pawn. Opponent replies e7 (pawn e6→e7).
4. Best move: Ra8 — rook a2→a8. Opponent replies Kf2 (king g1→f2).
5. Best move: b3 — pawn b4→b3.

Tactical themes

advantage, capturing the defender, discovered attack, endgame, quiet move, very long. The key move axb4 wins material.

Position data

FEN: r7/6pk/3Nb2p/p1P1P3/1N3P2/7P/P5P1/6K1 w - - 0 30

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