Chess Puzzle #RiZ2K — Expert, Black to move, endgame

Position

White: king f4; rook a3; knight a4; pawns c4/h3. Black: king f6; rook c2; pawns a2/a7/e4/f5/h7. Material is balanced. Black to move.

Solution (3 moves)

1. Opponent setup: Nc5 — knight a4→c5. Now Black to move.
2. Best move: Rf2+ — rook c2→f2, gives check. Opponent replies Kg3 (king f4→g3).
3. Best move: Rf3+ — rook f2→f3, gives check. Opponent replies Rxf3 (rook a3→f3, captures rook).
4. Best move: a1=Q — pawn a2→a1, promotes to queen.

Tactical themes

advanced pawn, crushing, deflection, endgame, long, promotion. The key move is Rf2+.

Position data

FEN: 8/p6p/5k2/5p2/N1P1pK2/R6P/p1r5/8 w - - 2 44

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