Chess Puzzle #ECMwB — Advanced, Black to move, middlegame

Position

White: king g1; rooks d2/e1; bishop b2; pawns a2/b3/c4/c6/e6/h2. Black: king g8; queen g4; bishop c7; pawns a7/c5/g5/h6. White is ahead by 3 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Rg2 — rook d2→g2. Now Black to move.
2. Best move: Bxh2+ — bishop c7→h2, captures pawn, gives check. Opponent replies Kh1 (king g1→h1).
3. Best move: Qh4 — queen g4→h4. Opponent replies Ree2 (rook e1→e2).
4. Best move: Be5+ — bishop h2→e5, gives check. Opponent replies Kg1 (king h1→g1).
5. Best move: Bxb2 — bishop e5→b2, captures bishop.

Tactical themes

discovered attack, discovered check, endgame, equality, pin, very long. The key move Bxh2+ captures with check, forcing a response.

Position data

FEN: 6k1/p1b5/2P1P2p/2p3p1/2P3q1/1P6/PB1R3P/4R1K1 w - - 5 31

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