Chess Puzzle #1TrZS — Advanced, Black to move, middlegame

Position

White: king g1; queen d1; rooks b1/f1; bishops e3/g2; knight d5; pawns a2/b3/c4/f4/g3/h2. Black: king g8; queen d8; rooks b8/e8; bishops f5/g7; pawns a6/c5/d6/e7/f7/g6/h7. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: g4 — pawn g3→g4. Now Black to move.
2. Best move: Bxb1 — bishop f5→b1, captures rook. Opponent replies Qxb1 (queen d1→b1, captures bishop).
3. Best move: e6 — pawn e7→e6. Opponent replies Bd2 (bishop e3→d2).
4. Best move: exd5 — pawn e6→d5, captures knight.

Tactical themes

advantage, long, middlegame, trapped piece. The key move Bxb1 wins material.

Position data

FEN: 1r1qr1k1/4ppbp/p2p2p1/2pN1b2/2P2P2/1P2B1P1/P5BP/1R1Q1RK1 w - - 1 19

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