Chess Puzzle #Waiq0 — Expert, White to move, middlegame

Position

White: king f2; rook f4; pawns a4/b2/b4/d4/d6/e3/g3/h4. Black: king g7; rook a8; bishop f3; pawns a6/c4/d5/e4/g6/h7. Black is ahead by 1 point of material. White to move.

Solution (5 moves)

1. Opponent setup: Rf8 — rook a8→f8. Now White to move.
2. Best move: Rxf8 — rook f4→f8, captures rook. Opponent replies Kxf8 (king g7→f8, captures rook).
3. Best move: b5 — pawn b4→b5. Opponent replies Bg4 (bishop f3→g4).
4. Best move: b6 — pawn b5→b6. Opponent replies Bc8 (bishop g4→c8).
5. Best move: d7 — pawn d6→d7. Opponent replies Bxd7 (bishop c8→d7, captures pawn).
6. Best move: b7 — pawn b6→b7.

Tactical themes

advanced pawn, crushing, endgame, very long. The key move Rxf8 wins material.

Position data

FEN: r7/6kp/p2P2p1/3p4/PPpPpR1P/4PbP1/1P3K2/8 b - - 3 27

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