Chess Puzzle #RXJ3I — Advanced, Black to move, endgame

Position

White: king h3; rook e3; knight e6; pawns d5/f5/h4. Black: king f7; rook b3; pawns a4/f6/h5. White is ahead by 3 points of material. Black to move.

Solution (3 moves)

1. Opponent setup: Rxb3 — rook e3→b3, captures rook. Now Black to move.
2. Best move: axb3 — pawn a4→b3, captures rook. Opponent replies d6 (pawn d5→d6).
3. Best move: b2 — pawn b3→b2. Opponent replies d7 (pawn d6→d7).
4. Best move: b1=Q — pawn b2→b1, promotes to queen.

Tactical themes

advanced pawn, advantage, endgame, long, promotion. The key move axb3 wins material.

Position data

FEN: 8/5k2/4Np2/3P1P1p/p6P/1r2R2K/8/8 w - - 1 46

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