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

Position

White: king g1; rook g5; bishop f5; pawns f2/g2/h6. Black: king a3; knights a4/e2; pawns b3/c4/f4. White is ahead by 2 points of material. Black to move.

Solution (4 moves)

1. Opponent setup: Kh2 — king g1→h2. Now Black to move.
2. Best move: c3 — pawn c4→c3. Opponent replies h7 (pawn h6→h7).
3. Best move: c2 — pawn c3→c2. Opponent replies Bxc2 (bishop f5→c2, captures pawn).
4. Best move: bxc2 — pawn b3→c2, captures bishop. Opponent replies h8=Q (pawn h7→h8, promotes to queen).
5. Best move: c1=Q — pawn c2→c1, promotes to queen.

Tactical themes

advanced pawn, endgame, equality, promotion, very long. The key move is c3.

Position data

FEN: 8/8/7P/5BR1/n1p2p2/kp6/4nPP1/6K1 w - - 2 47

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