Racing 25 May 2023 Kovalica heads strong Waller hand in Queensland Derby Trainer Chris Waller has a stranglehold on Saturday’s Gr.1 Queensland Derby with a two-pronged attack, headed by Kovalica and Special Swey. Racing 14 May 2023 Former Kiwi lands Rough Habit for Waller Kiwi three-year-old Special Swey has bolstered Chris Waller’s Queensland arsenal, making an instant impact for the Champion trainer when scoring a game victory in Saturday’s Gr.3 Rough Habit Plate (2000m).