Chess Puzzle #WGQK5 — Expert, White to move, endgame

Position

White: king b5; rook b3; pawn a6. Black: king g7; rook a1; pawn g5. Material is balanced. White to move.

Solution (3 moves)

1. Opponent setup: g4 — pawn g5→g4. Now White to move.
2. Best move: Rb4 — rook b3→b4. Opponent replies g3 (pawn g4→g3).
3. Best move: Rg4+ — rook b4→g4, gives check. Opponent replies Kf7 (king g7→f7).
4. Best move: Rxg3 — rook g4→g3, captures pawn.

Tactical themes

crushing, endgame, exposed king, long, rook endgame. The key move is Rb4.

Position data

FEN: 8/6k1/P7/1K4p1/8/1R6/8/r7 b - - 2 38

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