Head to head
Chris Chi vs Zach Ridall
Two careers, 249 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.
Chris Chi (United States) and Zach Ridall (United States) have met in 249 rounds across 26 competitions since 2018. Counting every round where both finished with a result, Chris Chi leads Zach Ridall: 201 finishes in front to 48.
On personal bests the split is just as plain: across 14 shared events, Chris Chi holds the faster single in 12, Zach Ridall in 2.
Personal bests, side by side
faster single in bold| Event | Chris Chi single | average | Zach Ridall single | average |
|---|---|---|---|---|
| 3×3 | 4.96 | 7.36 | 5.97 | 7.69 |
| 2×2 | 0.65 | 1.26 | 1.34 | 2.71 |
| 4×4 | 26.52 | 31.83 | 30.36 | 34.06 |
| 5×5 | 53.22 | 56.70 | 59.42 | 1:07.15 |
| 6×6 | 1:37.02 | 1:42.74 | 1:49.97 | 1:58.45 |
| 7×7 | 2:44.58 | 2:50.02 | 3:23.79 | 3:31.59 |
| 3×3 blindfolded | 20.40 | 25.75 | 1:13.35 | 3:55.49 |
| 3×3 Fewest Moves | 18 moves | 20.00 | 25 moves | 34.00 |
| 3×3 one-handed | 10.19 | 13.97 | 14.84 | 18.76 |
| Clock | 3.13 | 5.35 | 3.08 | 4.67 |
| Megaminx | 45.02 | 52.30 | 1:13.06 | 1:25.73 |
| Pyraminx | 1.68 | 3.59 | 2.23 | 5.36 |
| Skewb | 1.22 | 2.44 | 2.13 | 3.58 |
| Square-1 | 5.05 | 7.04 | 4.53 | 7.12 |
Year by year
every meeting, 249 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Chris Chi | Zach Ridall | ahead |
|---|---|---|---|---|---|---|
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 2×2 | Second round | 3.54 | 3.36 | Zach Ridall |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 2×2 | First round | 2.40 | 3.52 | Chris Chi |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 3×3 | Second round | 9.24 | 10.37 | Chris Chi |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 3×3 | First round | 10.15 | 9.53 | Zach Ridall |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 3×3 one-handed | First round | 16.94 | 26.75 | Chris Chi |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 4×4 | First round | 38.12 | 35.80 | Zach Ridall |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 5×5 | First round | 1:01.49 | 1:07.15 | Chris Chi |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 6×6 | Final | 1:58.77 | 1:58.45 | Zach Ridall |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | 7×7 | Final | 2:58.87 | 3:31.59 | Chris Chi |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | Clock | First round | 4.86 | 6.54 | Zach Ridall |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | Megaminx | First round | 59.03 | 1:42.04 | Chris Chi |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | Pyraminx | Second round | 6.41 | 7.25 | Chris Chi |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | Pyraminx | First round | 5.04 | 7.41 | Chris Chi |
| 2026 | Mid-Atlantic Speedcubing Championship 2026 | Skewb | Final | 3.17 | 4.70 | Zach Ridall |
Full careers: Chris Chi · Zach Ridall. 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.