Chess Puzzle #aTmCA — Advanced, White to move, endgame

Position

White: king g2; rook g8; pawns b5/c4/d5. Black: king d8; rook a3; pawns a4/c5/d6. Material is balanced. White to move.

Solution (4 moves)

1. Opponent setup: Ke7 — king d8→e7. Now White to move.
2. Best move: b6 — pawn b5→b6. Opponent replies Rb3 (rook a3→b3).
3. Best move: b7 — pawn b6→b7. Opponent replies Rxb7 (rook b3→b7, captures pawn).
4. Best move: Rg7+ — rook g8→g7, gives check. Opponent replies Kf6 (king e7→f6).
5. Best move: Rxb7 — rook g7→b7, captures rook.

Tactical themes

advanced pawn, crushing, endgame, rook endgame, skewer, very long. The key move is b6.

Position data

FEN: 3k2R1/8/3p4/1PpP4/p1P5/r7/6K1/8 b - - 1 44

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