Chess Puzzle #GU79H — Intermediate, Black to move, middlegame

Position

White: king a2; rooks b1/f1; bishop b2; knight g3; pawns d2/d4/f4/h5. Black: king e6; rooks b5/b8; bishop h6; pawns a4/d5/d6/f5/g4. White is ahead by 2 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Ba3 — bishop b2→a3. Now Black to move.
2. Best move: Rxb1 — rook b5→b1, captures rook. Opponent replies Rxb1 (rook f1→b1, captures rook).
3. Best move: Rxb1 — rook b8→b1, captures rook. Opponent replies Kxb1 (king a2→b1, captures rook).
4. Best move: Bxf4 — bishop h6→f4, captures pawn. Opponent replies h6 (pawn h5→h6).
5. Best move: Bxh6 — bishop f4→h6, captures pawn.

Tactical themes

crushing, middlegame, very long. The key move Rxb1 wins material.

Position data

FEN: 1r6/8/3pk2b/1r1p1p1P/p2P1Pp1/6N1/KB1P4/1R3R2 w - - 0 37

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