Chess Puzzle #5AqTk — Advanced, Black to move, middlegame

Position

White: king d2; queen d5; rook a1; bishop f1; pawns b2/b3/c2/e4/f3/g6. Black: king c8; queen b6; rook d8; bishop e7; pawns a6/b4/d6/e5/f5/g7. Material is balanced. Black to move.

Solution (4 moves)

1. Opponent setup: Rxa6 — rook a1→a6, captures pawn. Now Black to move.
2. Best move: Qf2+ — queen b6→f2, gives check. Opponent replies Be2 (bishop f1→e2).
3. Best move: Bg5+ — bishop e7→g5, gives check. Opponent replies Kd3 (king d2→d3).
4. Best move: Qe3+ — queen f2→e3, gives check. Opponent replies Kc4 (king d3→c4).
5. Best move: Qxe2+ — queen e3→e2, captures bishop, gives check.

Tactical themes

advantage, deflection, endgame, fork, very long. The key move Qxe2+ captures with check, forcing a response.

Position data

FEN: 2kr4/4b1p1/pq1p2P1/3Qpp2/1p2P3/1P3P2/1PPK4/R4B2 w - - 0 27

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