Chess Puzzle #5elcD — Advanced, White to move, middlegame

Position

White: king g2; rook g7; pawns c3/f6/h2. Black: king c7; rook a1; bishop d7; pawns a7/b7/c6/d6/h7. Black is ahead by 5 points of material. White to move.

Solution (3 moves)

1. Opponent setup: Kd8 — king c7→d8. Now White to move.
2. Best move: Rg8+ — rook g7→g8, gives check. Opponent replies Kc7 (king d8→c7).
3. Best move: f7 — pawn f6→f7. Opponent replies Be6 (bishop d7→e6).
4. Best move: f8=Q — pawn f7→f8, promotes to queen.

Tactical themes

advanced pawn, advantage, endgame, long, promotion. The key move is Rg8+.

Position data

FEN: 8/ppkb2Rp/2pp1P2/8/8/2P5/6KP/r7 b - - 2 30

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