Chess Puzzle #BBaCs — Master, Black to move, middlegame

Position

White: king g1; rook b6; knight e6; pawns c3/d4/e3/f2/g2/h2. Black: king g8; rook a8; knight c2; pawns a4/f6/g7/h7. White is ahead by 2 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Rb2 — rook b6→b2. Now Black to move.
2. Best move: a3 — pawn a4→a3. Opponent replies Rxc2 (rook b2→c2, captures knight).
3. Best move: Rb8 — rook a8→b8. Opponent replies g4 (pawn g2→g4).
4. Best move: Rb2 — rook b8→b2. Opponent replies Rc1 (rook c2→c1).
5. Best move: a2 — pawn a3→a2.

Tactical themes

advanced pawn, advantage, endgame, quiet move, sacrifice, very long. The key move is a3.

Position data

FEN: r5k1/6pp/1R2Np2/8/p2P4/2P1P3/2n2PPP/6K1 w - - 1 32

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