Head to head
Mason Langenderfer vs Liam Chen
Two careers, 68 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.
Mason Langenderfer (United States) and Liam Chen (United States) have met in 68 rounds across 9 competitions since 2019. Counting every round where both finished with a result, Liam Chen leads Mason Langenderfer: 34 finishes in front to 30 and 4 ties.
On personal bests the split is just as plain: across 13 shared events, Mason Langenderfer holds the faster single in 10, Liam Chen in 3.
Personal bests, side by side
faster single in bold| Event | Mason Langenderfer single | average | Liam Chen single | average |
|---|---|---|---|---|
| 3×3 | 6.34 | 8.32 | 6.18 | 7.28 |
| 2×2 | 0.85 | 2.05 | 1.14 | 2.82 |
| 4×4 | 28.90 | 32.31 | 32.45 | 36.85 |
| 5×5 | 57.54 | 1:05.85 | 1:17.47 | 1:25.54 |
| 3×3 blindfolded | 17.30 | 24.69 | 14.83 | 16.52 |
| 3×3 Fewest Moves | 23 moves | 29.67 | 26 moves | 35.33 |
| 3×3 one-handed | 8.35 | 11.64 | 9.79 | 14.20 |
| Pyraminx | 2.30 | 3.40 | 6.62 | 9.31 |
| Skewb | 1.08 | 2.62 | 4.61 | 7.90 |
| Square-1 | 9.64 | 14.13 | 17.13 | 31.02 |
| 4×4 blindfolded | 2:12.40 | 2:47.76 | 1:20.64 | 1:42.15 |
| 5×5 blindfolded | 5:39.93 | 11:01.00 | 6:13.43 | — |
| 3×3 Multi-Blind | 28 of 31 cubes · 52:02 | — | 26 of 27 cubes · 59:05 | — |
Year by year
every meeting, 68 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Mason Langenderfer | Liam Chen | ahead |
|---|---|---|---|---|---|---|
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | Second round | 9.30 | 10.09 | Mason Langenderfer |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 | First round | 9.73 | 8.07 | Liam Chen |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 blindfolded | First round | 29.32 | 18.63 | Liam Chen |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 blindfolded | Final | 23.55 | 19.93 | Liam Chen |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 blindfolded | Second round | 23.39 | 16.95 | Liam Chen |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 Multi-Blind | Final | 27 of 31 cubes · 1:00:00 | 22 of 28 cubes · 54:09 | Mason Langenderfer |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 one-handed | Second round | 14.76 | 16.16 | Mason Langenderfer |
| 2026 | Rubik's WCA North American Championship 2026 | 3×3 one-handed | First round | 14.44 | 15.12 | Mason Langenderfer |
| 2026 | Rubik's WCA North American Championship 2026 | 4×4 | First round | 36.69 | 37.77 | Mason Langenderfer |
| 2026 | Rubik's WCA North American Championship 2026 | 4×4 blindfolded | Final | 2:43.06 | 1:26.83 | Liam Chen |
| 2026 | Rubik's WCA North American Championship 2026 | 5×5 blindfolded | Final | — | — | tie |
| 2026 | Rubik's WCA North American Championship 2026 | Skewb | First round | 4.60 | 7.90 | Mason Langenderfer |
| 2025 | Rubik's x TheCubicle CubingUSA All-Stars 2025 | 4×4 blindfolded | Final | 2:32.25 | 1:40.88 | Liam Chen |
| 2025 | Rubik's WCA World Championship 2025 | 3×3 | First round | 9.14 | 8.40 | Liam Chen |
Full careers: Mason Langenderfer · 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.