Chess Puzzle #muAJ9 — Master, Black to move, endgame

Position

White: king c2; rook e4; pawn a2. Black: king h6; pawns g5/h3. White is ahead by 4 points of material. Black to move.

Solution (6 moves)

1. Opponent setup: Re3 — rook e4→e3. Now Black to move.
2. Best move: g4 — pawn g5→g4. Opponent replies Re8 (rook e3→e8).
3. Best move: Kh7 — king h6→h7. Opponent replies Re2 (rook e8→e2).
4. Best move: g3 — pawn g4→g3. Opponent replies Re3 (rook e2→e3).
5. Best move: h2 — pawn h3→h2. Opponent replies Rxg3 (rook e3→g3, captures pawn).
6. Best move: h1=Q — pawn h2→h1, promotes to queen. Opponent replies Rb3 (rook g3→b3).
7. Best move: Qa1 — queen h1→a1.

Tactical themes

advanced pawn, crushing, endgame, promotion, quiet move, rook endgame, very long. The key move is g4.

Position data

FEN: 8/8/7k/6p1/4R3/7p/P1K5/8 w - - 0 59

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