Chess Puzzle #DC9tt — Intermediate, Black to move, endgame

Position

White: king g4; rook a1; pawn e4. Black: king d6; pawns b3/c4/e5. White is ahead by 3 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Kf3 — king g4→f3. Now Black to move.
2. Best move: b2 — pawn b3→b2. Opponent replies Rb1 (rook a1→b1).
3. Best move: c3 — pawn c4→c3. Opponent replies Ke2 (king f3→e2).
4. Best move: c2 — pawn c3→c2. Opponent replies Rxb2 (rook b1→b2, captures pawn).
5. Best move: c1=Q — pawn c2→c1, promotes to queen.

Tactical themes

advanced pawn, crushing, endgame, master, promotion, rook endgame, very long. The key move is b2.

Position data

FEN: 8/8/3k4/4p3/2p1P1K1/1p6/8/R7 w - - 0 69

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