The Aidan O'Brien-trained Gstaad has been supplemented back into the Betfred 2,000 Guineas at Newmarket at a cost of £30,000. Along with Albert Einstein, he had been incorrectly scratched from the race earlier this month due to an administration error. While Albert Einstein remains an absentee, Gstaad is one of four Ballydoyle contenders in contention at Monday's confirmation stage, with dual Group 1 winner Puerto Rico, Causeway and Flushing Meadows also on the list of 20 colts still in the mix.Fozzy Stack's Thesecretadversary and Robson De Aguiar's Power Blue could also cross the Irish Sea, while the home team is headed by Bow Echo, who will put his unbeaten record on the line over the Rowley Mile.George Boughey's son of Night Of Thunder won each of his three starts last season and signed off with a victory in the Royal Lodge Stakes over the Guineas course and distance.There is a second supplementary entry in Charlie Pike's Padraig Dawn, who finished second in the Burradon Stakes at Newcastle on just his second career outing.Charlie Appleby could be double-handed with Dewhurst third Distant Storm and the unbeaten King's Trail, while Roger Varian's Avicenna is another possible runner for Godolphin.John and Thady Gosden's Oxagon beat Avicenna into second in the Craven Stakes and also stands his ground.Karl Burke may be triple-handed with Greenham winner Alparslan, Billecart and Hankelow, While Francis-Henri Graffard's Samangan is the sole international raider.Like last year, sponsors Betfred are offering a £2million bonus to any horse that wins the Triple Crown of the 2000 Guineas, Derby and St Leger. The post Gstaad Supplemented For The 2,000 Guineas At A Cost Of £30,000 appeared first on TDN | Thoroughbred Daily News | Horse Racing News, Results and Video | Thoroughbred Breeding and Auctions.