Chess Puzzle #45EyY — Intermediate, Black to move, middlegame

Position

White: king g3; queen d3; rooks a1/e1; pawns a3/b2/c4/e6. Black: king e7; rook g4; bishops b7/h6; pawns a6/a7/f5. White is ahead by 9 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Kh3 — king g3→h3. Now Black to move.
2. Best move: Bg2+ — bishop b7→g2, gives check. Opponent replies Kh2 (king h3→h2).
3. Best move: Bf4+ — bishop h6→f4, gives check. Opponent replies Kg1 (king h2→g1).
4. Best move: Be4+ — bishop g2→e4, gives check. Opponent replies Kf2 (king g1→f2).
5. Best move: Bxd3 — bishop e4→d3, captures queen.

Tactical themes

advantage, discovered attack, discovered check, endgame, exposed king, very long. The key move is Bg2+.

Position data

FEN: 8/pb2k3/p3P2b/5p2/2P3r1/P2Q2K1/1P6/R3R3 w - - 0 30

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