More Stars on show at Cheltenham Irish-trained horses are dominating the Cheltenham Festival so far. BOOKMAKERS all over the land will be desperate to get Envoi Allen beaten in the opening Marsh Novices’ Chase (1.20pm) after the successes of Shishkin in the Sporting Life Arkle and Monkfish in the Brown Advisory Novices’ Chase. The unbeaten Irish superstar is the final leg of plenty of short-priced trebles and I expect the 4/7 on offer with Fitzdares to come under pressure. Envoi Allen will surely make it a perfect 12 out of 12 and in the process record a third successive Cheltenham Festival victory after his Champion Bumper and Ballymore Novices’ Hurdle glories.