Chess Puzzle #aSKO7 — Advanced, Black to move, middlegame

Position

White: king a1; queen e2; bishop f4; pawns a2/d4/f2/h5/h6. Black: king g8; queen c3; bishop c8; pawns a7/b7/d5/e4/g7. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: Kb1 — king a1→b1. Now Black to move.
2. Best move: e3 — pawn e4→e3. Opponent replies fxe3 (pawn f2→e3, captures pawn).
3. Best move: Bf5+ — bishop c8→f5, gives check. Opponent replies e4 (pawn e3→e4).
4. Best move: Bxe4+ — bishop f5→e4, captures pawn, gives check.

Tactical themes

crushing, endgame, long. The key move Bxe4+ captures with check, forcing a response.

Position data

FEN: 2b3k1/pp4p1/7P/3p3P/3PpB2/2q5/P3QP2/K7 w - - 1 29

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