Chess Puzzle #7O6cd — Advanced, Black to move, endgame

Position

White: king c1; queen f8; bishop b7; pawns a3/b6/e4. Black: king g5; rook b2; bishop d4; pawns e5/g6/h2. White is ahead by 4 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Qh8 — queen f8→h8. Now Black to move.
2. Best move: Rg2 — rook b2→g2. Opponent replies Bc8 (bishop b7→c8).
3. Best move: Rg1+ — rook g2→g1, gives check. Opponent replies Kd2 (king c1→d2).
4. Best move: h1=Q — pawn h2→h1, promotes to queen.

Tactical themes

advanced pawn, advantage, endgame, exposed king, long, promotion, quiet move. The key move is Rg2.

Position data

FEN: 5Q2/1B6/1P4p1/4p1k1/3bP3/P7/1r5p/2K5 w - - 3 47

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