Chess Puzzle #EhWu7 — Advanced, Black to move, endgame

Position

White: king d3; rook d4; knight d2; pawns a2/b2/c3. Black: king h5; rook f7; pawns a6/b7/g3/g7. White is ahead by 2 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Ke2 — king d3→e2. Now Black to move.
2. Best move: g2 — pawn g3→g2. Opponent replies Nf3 (knight d2→f3).
3. Best move: Rxf3 — rook f7→f3, captures knight. Opponent replies Kxf3 (king e2→f3, captures rook).
4. Best move: g1=Q — pawn g2→g1, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, long, promotion. The key move is g2.

Position data

FEN: 8/1p3rp1/p7/7k/3R4/2PK2p1/PP1N4/8 w - - 2 42

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