SPECIAL REGULATIONS & TECHNICAL RULES
"Rule 342 Required rinks 1. The available skating area for the Short Program/Rhythm Dance, FreeSkating/Free Dance and Pattern Dance(s) must be rectangular and if possible, shall measure sixty (meters) in length and thirty meters in width, but not larger, and not less than fifty-six meters in length and twenty-six meters in width. "
The world championships are in North American size rinks (61 x 26) both this year and the next year (Olympic qualification), therefore Deniss would have to adapt his jumps to this size.