Cubing on Par B 2023

Sixty-six competitors took their marks across 12 high-stakes rounds at Cubing on Par B 2023, turning the University Golf Club at UBC into a bustling arena of elite puzzle solving. The single-day WCA competition on April 23, 2023, delivered intense pressure across a seven-event slate. Competitors travelled to Vancouver, British Columbia, Canada to battle through multi-round brackets, where every fractional second separated podium contenders from early exits. With silverware on the line, the tournament demanded unrelenting consistency from the opening turns of the morning through the late-afternoon finals.

The premier 3x3x3 Rubik's Cube final carried massive championship weight across three rigorous rounds featuring 65 entrants. Sameer Aggarwal of the United States delivered an extraordinary display of composure to capture the title, securing a 5.81-second winning average alongside a blistering best single of 5.05 seconds. Fellow American Max Siauw kept the pressure on until the final solve, claiming second place with an average of 6.56 seconds. Canada's Ethan Rusnak rounded out the podium in third with an average of 7.30 seconds, capping off a dramatic set of 3x3 results that defined the weekend.

Aggarwal doubled his gold tally in the 2x2x2 Cube, navigating two rounds against 60 competitors to claim the title with an exceptional 1.47-second average and a single solve of 1.00 flat. The battle for the top spot remained razor-thin, as Max Siauw finished just five hundredths of a second behind in second place with a 1.52 average. Timothy Castle took third place with a 2.24 average, securing an all-American sweep of the 2x2 podium. The event also featured record marks across the table, including Brian Sun posting a 3.85 single and 4.72 average for Canada.

Max Siauw responded by asserting dominance in the larger and more complex puzzles. In the 4x4x4 Cube, Siauw topped a field of 49 solvers with a winning average of 27.57 seconds and the day's best single of 25.02 seconds, keeping Sameer Aggarwal at bay in second place at 29.60 and Timothy Castle in third at 33.83. Siauw then captured the Megaminx title against 30 competitors with an average of 47.29 seconds and a 44.21 single. Ethan Rusnak claimed second for Canada in 49.44 seconds, while Aggarwal took third in 51.38 seconds.

Timothy Castle displayed mastery in the specialty events, capturing two gold medals of his own. In Pyraminx, Castle outpaced 53 solvers over two rounds, winning with a 3.38-second average and a 2.25 single, holding off Aggarwal at 3.58 and Siauw at 4.17. Castle then conquered the demanding 3x3x3 Blindfolded discipline, navigating the memorisation and execution phases to post the fastest single solve of 31.76 seconds among 13 competitors. Siauw claimed second place with a 44.15 single, while Aggarwal earned bronze with a time of 1:00.79.

Skewb delivered another thrilling contest across two rounds and 39 entrants, ending with Charles Zhu securing the title for China with a winning average of 2.65 seconds and a single of 1.88. Castle took the silver medal with a 3.77 average, while Siauw picked up another podium finish in third with 4.34. The podium tally across all events showed the intense international standard at the venue, with United States competitors earning 18 total podium spots, Canada securing two, and China taking one top-three position.

Beyond the finals table, Cubing on Par B 2023 offered massive milestones for competitors pushing their personal limits throughout the day. Linden Chow shaved significant time across multiple events, cutting his Skewb mark by 45.6 percent down to 9.13 seconds and improving his 3x3x3 personal best by 12.7 percent to 28.13, while also completing a first official 2x2 attempt in 9.10 seconds. Liam Zwaan lowered his 3x3x3 mark by 43.9 percent to 16.43 seconds, dropped his Pyraminx time to 8.67, and made his 2x2 debut with a 6.33 single. Yuzhong Luo dropped his 2x2 personal best by 34.1 percent to 3.00 seconds, took his 4x4 mark down 26.7 percent to 43.78, and achieved a 13th-place finish.

Several solvers embraced new events with impressive ambition at the University Golf Club venue. Kyle Tam took on five events, achieving a career-best 10th-place finish in 3x3 Blindfolded with a 6:45.92 single and making a first Megaminx attempt in 2:05.95. Isaac Brugge tackled six events, entering Skewb for the first time with an 8.37 single while improving his 2x2 best by 29.3 percent to 3.77 seconds. Justin Taliman entered all seven events on the schedule, setting a 21.7 percent Pyraminx improvement to 7.09 seconds alongside a first Megaminx solve. Bobby Moon made his official speed cubing debut by entering six events, claiming 14th place in Skewb with an 8.00 single, while Evan Chan entered five events at his first tournament, highlighted by a 20.99 3x3 single.

The complete slate demonstrated the sheer range of modern speedcubing, testing pure mechanical agility in short sprint formats alongside the deep concentration required for blindfolded solving. As the tournament concluded, the 12 rounds of intense head-to-head racing confirmed the elite standard of the regional circuit. Every round produced dramatic time drops and memorable finishes, setting a high benchmark for everyone preparing to return for the next competitive season.