Chess Puzzle #mLbO4 — Advanced, Black to move, endgame

Position

White: king d1; queen d5; rook g1; pawns f3/h3. Black: king b6; queen e7; pawns a6/b4/c3/g5/h6. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Kc2 — king d1→c2. Now Black to move.
2. Best move: Qe2+ — queen e7→e2, gives check. Opponent replies Kb3 (king c2→b3).
3. Best move: Qb2+ — queen e2→b2, gives check. Opponent replies Kc4 (king b3→c4).
4. Best move: Qa2+ — queen b2→a2, gives check.

Tactical themes

endgame, equality, exposed king, long. The key move is Qe2+.

Position data

FEN: 8/4q3/pk5p/3Q2p1/1p6/2p2P1P/8/3K2R1 w - - 0 42

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