Head to head
Mark Boyanowski vs Liam Chen
Two careers, 51 shared rounds, one running count. Everything below comes from the official results the two of them posted in the same rounds of the same competitions.
Mark Boyanowski (United States) and Liam Chen (United States) have met in 51 rounds across 8 competitions since 2019. Counting every round where both finished with a result, Liam Chen leads Mark Boyanowski: 42 finishes in front to 9.
On personal bests the split is just as plain: across 13 shared events, Mark Boyanowski holds the faster single in 7, Liam Chen in 6.
Personal bests, side by side
faster single in bold| Event | Mark Boyanowski single | average | Liam Chen single | average |
|---|---|---|---|---|
| 3×3 | 8.93 | 10.74 | 6.18 | 7.28 |
| 2×2 | 2.47 | 3.77 | 1.14 | 2.82 |
| 4×4 | 37.30 | 43.53 | 32.45 | 36.85 |
| 5×5 | 1:09.93 | 1:17.55 | 1:17.47 | 1:25.54 |
| 3×3 blindfolded | 21.48 | 27.23 | 14.83 | 16.52 |
| 3×3 Fewest Moves | 17 moves | 22.33 | 26 moves | 35.33 |
| 3×3 one-handed | 14.44 | 19.98 | 9.79 | 14.20 |
| Pyraminx | 3.10 | 6.11 | 6.62 | 9.31 |
| Skewb | 4.28 | 7.75 | 4.61 | 7.90 |
| Square-1 | 16.55 | 24.94 | 17.13 | 31.02 |
| 4×4 blindfolded | 2:50.79 | 3:00.65 | 1:20.64 | 1:42.15 |
| 5×5 blindfolded | 5:33.60 | 6:44.31 | 6:13.43 | — |
| 3×3 Multi-Blind | 47 of 50 cubes · 54:18 | — | 26 of 27 cubes · 59:05 | — |
Year by year
every meeting, 51 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Mark Boyanowski | Liam Chen | ahead |
|---|---|---|---|---|---|---|
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | First round | 12.46 | 8.07 | Liam Chen |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 blindfolded | First round | 31.68 | 18.63 | Liam Chen |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 blindfolded | Second round | 29.92 | 16.95 | Liam Chen |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 Multi-Blind | Final | 37 of 45 cubes · 58:59 | 22 of 28 cubes · 54:09 | Mark Boyanowski |
| 2026 | Rubik's WCA North American Championship 2026 | 4×4 | First round | 50.29 | 37.77 | Liam Chen |
| 2025 | Rubik's WCA World Championship 2025 | 3×3 | First round | 11.88 | 8.40 | Liam Chen |
| 2025 | Rubik's WCA World Championship 2025 | 3×3 blindfolded | Second round | 27.53 | 18.22 | Liam Chen |
| 2025 | Rubik's WCA World Championship 2025 | 3×3 blindfolded | First round | 29.51 | 20.38 | Liam Chen |
| 2025 | Rubik's WCA World Championship 2025 | 3×3 Multi-Blind | Final | 40 of 50 cubes · 1:00:00 | 26 of 27 cubes · 59:05 | Mark Boyanowski |
| 2025 | Rubik's WCA World Championship 2025 | 3×3 one-handed | First round | 22.12 | 15.13 | Liam Chen |
| 2025 | Rubik's WCA World Championship 2025 | 4×4 | First round | 45.42 | 39.14 | Liam Chen |
| 2025 | Rubik's WCA World Championship 2025 | 5×5 | First round | 1:13.49 | 1:23.79 | Mark Boyanowski |
| 2025 | Rubik's WCA World Championship 2025 | 5×5 blindfolded | Final | 8:30.94 | 7:04.81 | Liam Chen |
| 2024 | Rubik's WCA North American Championship 2024 | 3×3 | First round | 12.74 | 8.99 | Liam Chen |
Full careers: Mark Boyanowski · Liam Chen. A meeting is a round of one event at one competition where both finished with a counted result. Who finished ahead follows official placing in the round: rounds played to an average are won on the average, best-of rounds on the single.