Chess Puzzle #0M6e1 — Intermediate, Black to move, middlegame

Position

White: king e1; queen f6; rooks a1/d1; bishops c1/d3; pawns a4/b5/c5/f2/h2. Black: king c8; queen c7; rook e8; bishop h3; pawns a7/b7/c6/d4/h7. White is ahead by 8 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Kd2 — king e1→d2. Now Black to move.
2. Best move: Qa5+ — queen c7→a5, gives check. Opponent replies Kc2 (king d2→c2).
3. Best move: Qc3+ — queen a5→c3, gives check. Opponent replies Kb1 (king c2→b1).
4. Best move: Qb3+ — queen c3→b3, gives check. Opponent replies Bb2 (bishop c1→b2).
5. Best move: Qxd1+ — queen b3→d1, captures rook, gives check.

Tactical themes

crushing, exposed king, fork, middlegame, very long. The key move Qxd1+ captures with check, forcing a response.

Position data

FEN: 2k1r3/ppq4p/2p2Q2/1PP5/P2p4/3B3b/5P1P/R1BRK3 w - - 5 26

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