3x3 Speedcubing: The Ultimate Limits Forecast
History · Methods · Hardware · Math · Biomech · Top Cubers · Training · Statistics — toward a single & average forecast.
Top Cuber Profiles
Feliks Zemdegs
Accolades: 121 all-time WRs · 228 continental records · WC2013 + WC2015 champion · longest Ao5 dominance (~9 years)
Method: Pure CFOP + intuitive F2L, lookahead pioneer. No ZBLL.
Training: Self-developed CubeSkills framework: metronome F2L drills, blindfolded pair drilling, 'X-look' constraints.
Hardware: Eastsheen → DaYan → MoYu → GAN (sponsor)
Current: Active competitor (Worlds 2025 semis), finance career, married 2026
Max Park
Accolades: Held 3x3 single WR 4 times (final 3.13) · Ao5 WR 4 times · WC2017 + WC2023 champion · big-cube specialist
Method: CFOP + partial ZBLL (Sune/Antisune subset)
Training: ~5 hours/day, autism support context
Hardware: QiYi X-Man Tornado V3 Pioneer (3.13 cube)
Current: Active top-10, Netflix doc subject
Yiheng Wang (王艺衡)
Accolades: Single WR 3.08 (Feb 2025) · 9 consecutive Ao5 WRs · WC2025 champion · highest verified WR TPS 14.61
Method: CFOP with ZZ-style block building, partial ZBLL
Training: Beijing-area community. 2024 2x2 sliding scandal (0.78 ao5 revoked).
Hardware: MoYu Super WeiLong V2
Current: Age 12, ranked #2 average / #3 single in May 2026
Xuanyi Geng (耿暄一)
Accolades: Current Ao5 WR 3.71 · single WR 3.05 (Apr 2025, age 7-8) · youngest WR holder ever · first Ao5 sub-4 ever
Method: Full ZB = ZBLS + full ZBLL
Training: Suzhou native, GAN-sponsored child prodigy program
Hardware: GAN flagship (16 MagLev MAX-class)
Current: Age 8, dominant junior, full-ZB pioneer at WR speed
Teodor Zajder
Accolades: Current single WR 2.76 (Feb 2026, age 9) · first sub-3 ever · largest PB-to-WR jump (4.09 → 2.76)
Method: CFOP + ZBLL
Training: Gdańsk Polish cubing club. Trained on GAN 12 M (2021 hardware!)
Hardware: GAN 12 MagLev (Teodor Zajder Signature)
Current: Before WR was ranked #378 globally with 4.09 PB. The 2.76 was his first sub-4 official solve.
Tymon Kolasiński
Accolades: 4x4/5x5 WR holder · Former 3x3 Ao5 WR (5.09, 4.86) · Knows full ZBLL · Euros 2024 4-event sweep
Method: CFOP/ZB hybrid, pioneer of 3x3 pseudoslotting
Training: ~6 hours/day (2h algs + 4h solves)
Hardware: GAN
Current: Defining big-cube specialist of this era
Yusheng Du (杜宇生)
Accolades: 3.47 single (Nov 2018) — held WR 4y 7m
Method: CFOP — XX-cross + COLL with PLL skip (27 STM × 7.78 TPS)
Training: Post-WR transitioned to business — Yushen Academy + MoYu Huameng cube line
Hardware: GAN 356 X
Current: Still active occasionally, major figure in China's cubing business
Eduardo Silva Damasceno
Accolades: First publicly verified full 1LLL learner (2022, 3,915 algorithms)
Method: CFOP + full 1LLL
Training: Self-driven 1LLL learning project, several years
Hardware: —
Current: Mid-tier competitor; 1LLL recognition prevents WR-level performance