Chess Puzzle #32UNU — Advanced, Black to move, endgame

Position

White: king b2; rook f1; pawns g3/h5. Black: king c4; knight b4; pawns a2/b3/e4. White is ahead by 1 point of material. Black to move.

Solution (6 moves)

1. Opponent setup: h6 — pawn h5→h6. Now Black to move.
2. Best move: Nd3+ — knight b4→d3, gives check. Opponent replies Ka3 (king b2→a3).
3. Best move: e3 — pawn e4→e3. Opponent replies h7 (pawn h6→h7).
4. Best move: e2 — pawn e3→e2. Opponent replies Rh1 (rook f1→h1).
5. Best move: e1=Q — pawn e2→e1, promotes to queen. Opponent replies Rxe1 (rook h1→e1, captures queen).
6. Best move: Nxe1 — knight d3→e1, captures rook. Opponent replies h8=Q (pawn h7→h8, promotes to queen).
7. Best move: Nc2+ — knight e1→c2, gives check.

Tactical themes

advanced pawn, crushing, endgame, promotion, very long. The key move is Nd3+.

Position data

FEN: 8/8/8/7P/1nk1p3/1p4P1/pK6/5R2 w - - 1 49

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