Altior and Min remain on course for a second showdown at the Cheltenham Festival in the Racing Post Arkle Novices' Chase on March 14.Having respectively filled the first two positions in last year's Supreme Novices' Hurdle, the star duo, who are both unbeaten over fences, feature among 33 entries for the two-mile Grade One.Altior is one of three entries for trainer Nicky Henderson, alongside Buveur D'Air and Top Notch, while Min is one of eight potential runners for Willie Mullins, who has won the Arkle for the last two years. Champion trainer Paul Nicholls has entered Politologue and Le Prezien, winner of a Grade Two at the track in November, as he seeks a third Arkle triumph - and a first since 2003. Other notable entries include recent Haydock Grade Two winner Waiting Patiently, trained by Malcolm Jefferson, and stablemate Cloudy Dream.Last season's Neptune Novices' Hurdle hero Yorkhill is among 66 entries for the JLT Novices' Chase on March 16.The Mullins-trained seven-year-old, who conquered Yanworth last spring, is unbeaten in two races over fences.Mullins is responsible for 11 of a record 31 Irish-trained contenders. The Closutton handler's other possibles include Bleu Et Rouge, Briar Hill and American Tom.Henderson's nine entries are headed by Buveur D'Air, who was third to Altior and Min in the Supreme. Top Notch and Whisper are also engaged for the Lambourn handler.Nicholls has a six-strong team featuring Clan Des Obeaux, Frodon and Aux Ptits Soins.