Chess Puzzle #Tmq2B — Expert, Black to move, middlegame

Position

White: king g2; rook g7; pawns a4/b4/c3/g4/h3. Black: king d3; bishop d6; knight e5; pawns c6/d5/g5. White is ahead by 1 point of material. Black to move.

Solution (5 moves)

1. Opponent setup: Rxg5 — rook g7→g5, captures pawn. Now Black to move.
2. Best move: Kxc3 — king d3→c3, captures pawn. Opponent replies a5 (pawn a4→a5).
3. Best move: d4 — pawn d5→d4. Opponent replies a6 (pawn a5→a6).
4. Best move: d3 — pawn d4→d3. Opponent replies a7 (pawn a6→a7).
5. Best move: d2 — pawn d3→d2. Opponent replies a8=Q (pawn a7→a8, promotes to queen).
6. Best move: d1=Q — pawn d2→d1, promotes to queen.

Tactical themes

advanced pawn, endgame, equality, promotion, quiet move, very long. The key move Kxc3 wins material.

Position data

FEN: 8/6R1/2pb4/3pn1p1/PP4P1/2Pk3P/6K1/8 w - - 3 46

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