Chess Puzzle #GNr5F — Expert, Black to move, middlegame

Position

White: king a1; queen f5; rook e1; pawns a3/b2/g5. Black: king g8; queen d6; bishops c3/d5; pawns a5/b5/c6. Black is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: bxc3 — pawn b2→c3, captures bishop. Now Black to move.
2. Best move: Qxa3+ — queen d6→a3, captures pawn, gives check. Opponent replies Kb1 (king a1→b1).
3. Best move: Qb3+ — queen a3→b3, gives check. Opponent replies Kc1 (king b1→c1).
4. Best move: Qxc3+ — queen b3→c3, captures pawn, gives check. Opponent replies Kd1 (king c1→d1).
5. Best move: Bf3+ — bishop d5→f3, gives check.

Tactical themes

crushing, endgame, exposed king, fork, very long. The key move Qxa3+ captures with check, forcing a response.

Position data

FEN: 6k1/8/2pq4/pp1b1QP1/8/P1b5/1P6/K3R3 w - - 0 47

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