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

Position

White: king e1; queen c7; rook a1; knights c3/d3; pawns a2/b2/c2/d5/g3/h2. Black: king h7; rook e8; bishops a7/h3; knight g5; pawns a6/b7/d6/g7/h6. White is ahead by 7 points of material. Black to move.

Solution (5 moves)

1. Opponent setup: Kd2 — king e1→d2. Now Black to move.
2. Best move: Be3+ — bishop a7→e3, gives check. Opponent replies Kd1 (king d2→d1).
3. Best move: Bg4+ — bishop h3→g4, gives check. Opponent replies Ne2 (knight c3→e2).
4. Best move: Bxe2+ — bishop g4→e2, captures knight, gives check. Opponent replies Kxe2 (king d1→e2, captures bishop).
5. Best move: Bb6+ — bishop e3→b6, gives check. Opponent replies Kd1 (king e2→d1).
6. Best move: Bxc7 — bishop b6→c7, captures queen.

Tactical themes

advantage, discovered attack, middlegame, very long. The key move Bxe2+ captures with check, forcing a response.

Position data

FEN: 4r3/bpQ3pk/p2p3p/3P2n1/8/2NN2Pb/PPP4P/R3K3 w - - 1 26

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