r3k1n1/1p1qp1br/n1pp1p1p/pN4p1/P4P2/1R2P1QN/2PP2PP/2B1KB1R b Kq - 0 15
FEN state: r3k1n1/1p1qp1br/n1pp1p1p/pN4p1/P4P2/1R2P1QN/2PP2PP/2B1KB1R b Kq - 0 15 ; Best move: a6c5
The current state of the chess board is: Black rook at a8, black king at e8 and black knight at g8. Black pawn at b7, black queen at d7, black pawn at e7, black bishop at g7 and black rook at h7. Black knight at a6, black pawn at c6, black pawn at d6, black pawn at f6 and black pawn at h6. Black pawn at a5, white knight at b5 and black pawn at g5. White pawn at a4 and white pawn at f4. White rook at b3, white pawn at e3, white queen at g3 and white knight at h3. White pawn at c2, white pawn at d2, white pawn at g2 and white pawn at h2. White bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside and black queenside castles are available. Half move number is 0. Full move number is 15. Black to move.