Zalman Grossbaum
| Region | WCA ID | Gender | Competitions | Completed Solves | United States | 2023GROS05 | Male | 16 | 663 |
|---|
Current Personal Records
| Event | NR | CR | WR | Single | Average | WR | CR | NR | |
|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | 379 | 449 | 1612 | 6.14 | 8.50 | 2963 | 807 | 644 | |
| 2x2x2 Cube | 1643 | 2098 | 7748 | 1.91 | 3.29 | 6605 | 1849 | 1454 | |
| 4x4x4 Cube | 357 | 456 | 1822 | 28.85 | 35.04 | 2446 | 629 | 498 | |
| 5x5x5 Cube | 728 | 972 | 3802 | 1:06.56 | 1:11.42 | 3122 | 792 | 605 | |
| 6x6x6 Cube | 736 | 974 | 3651 | 2:20.97 | 2:38.25 | 4219 | 1144 | 863 | |
| 7x7x7 Cube | 1181 | 1605 | 5892 | 4:31.68 | 4:56.55 | 6102 | 1682 | 1244 | |
| 3x3x3 Blindfolded | 1871 | 2496 | 10978 | 6:42.19 | |||||
| 3x3x3 One-Handed | 2478 | 3367 | 14173 | 19.56 | 21.45 | 9641 | 2271 | 1662 | |
| Clock | 499 | 597 | 2058 | 5.75 | 7.42 | 2349 | 687 | 571 | |
| Megaminx | 1982 | 2707 | 9932 | 1:30.69 | 1:42.86 | 9993 | 2729 | 2002 | |
| Pyraminx | 2363 | 3025 | 11749 | 4.29 | 8.61 | 21462 | 5557 | 4310 | |
| Skewb | 1324 | 1689 | 6302 | 3.65 | 4.96 | 3058 | 805 | 643 | |
| Square-1 | 299 | 343 | 1021 | 8.73 | 10.42 | 587 | 198 | 175 |
| Competition | Round | Place | Single | Average | Solves | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | |||||||||||
| Davis Big Summer 2026 | Final | 13 | 6.99 | 9.46 | 13.26 | 9.04 | 10.02 | 9.32 | 6.99 | ||
| Second round | 4 | 7.88 | 8.50 | 11.27 | 8.80 | 8.22 | 8.48 | 7.88 | |||
| First round | 3 | 7.88 | 8.63 | 7.88 | DNF | 9.79 | 8.15 | 7.95 | |||
| SacCubing XXII 2026 | Second round | 16 | 8.23 | 9.19 | 10.51 | 9.39 | 8.23 | 8.41 | 9.78 | ||
| First round | 25 | 8.32 | 10.18 | 10.56 | 8.32 | 17.94 | 8.77 | 11.22 | |||
| Berkeley Spring 2025 | Final | 14 | 8.04 | 9.66 | 10.97 | 10.58 | 8.04 | 9.14 | 9.27 | ||
| Semi Final | 7 | 8.24 | 8.65 | 10.63 | 8.49 | 8.70 | 8.77 | 8.24 | |||
| Second round | 13 | 7.37 | 8.96 | 9.47 | 10.42 | 9.54 | 7.37 | 7.87 | |||
| First round | 15 | 6.88 | 9.07 | 8.02 | 9.49 | 10.19 | 6.88 | 9.71 | |||
| Flushing Glow Open PM 2025 | Final | 6 | 8.46 | 9.93 | 9.43 | 8.46 | 10.17 | 10.24 | 10.19 | ||
| Second round | 7 | 7.96 | 9.67 | 9.33 | 9.75 | 10.87 | 9.93 | 7.96 | |||
| First round | 5 | 7.99 | 8.81 | 8.98 | 8.70 | 8.76 | 7.99 | 9.88 | |||
| Davis Fall 2024 | Final | 10 | 8.69 | 9.63 | 8.88 | 8.69 | 9.81 | 10.21 | 11.59 | ||
| Second round | 13 | 7.66 | 9.54 | 7.66 | 10.81 | 9.82 | 7.99 | 10.94 | |||
| First round | 12 | 9.08 | 9.55 | 9.55 | 9.80 | 10.70 | 9.31 | 9.08 | |||
| La La Land 2024 | Final | 12 | 9.50 | 10.23 | 10.42 | 10.13 | 10.13 | 12.63 | 9.50 | ||
| Semi Final | 15 | 8.37 | 9.97 | 11.89 | 8.37 | 9.93 | 10.33 | 9.65 | |||
| Second round | 23 | 7.53 | 10.05 | 9.93 | 10.40 | 10.83 | 9.83 | 7.53 | |||
| First round | 15 | 8.61 | 9.52 | 10.18 | 9.18 | 9.95 | 8.61 | 9.44 | |||
| CubingUSA Western Championship 2024 | Semi Final | 38 | 8.83 | 9.85 | 8.83 | 10.62 | 10.20 | 9.92 | 9.43 | ||
| Second round | 24 | 6.68 | 9.08 | 9.94 | 9.42 | 6.68 | 11.99 | 7.89 | |||
| First round | 28 | 7.53 | 9.21 | 8.56 | 9.99 | 12.70 | 7.53 | 9.07 | |||
| Folsom Summer 2024 | Final | 8 | 8.74 | 9.49 | 9.82 | 9.37 | 10.08 | 8.74 | 9.29 | ||
| Second round | 14 | 8.39 | 10.70 | 10.88 | 8.39 | 10.72 | 11.19 | 10.51 | |||
| First round | 10 | 8.74 | 9.71 | 9.85 | 8.74 | 9.52 | 9.76 | 12.44 | |||
| Berkeley Summer 2024 | Second round | 31 | 8.12 | 10.24 | 10.53 | 11.59 | 8.12 | 9.40 | 10.80 | ||
| First round | 26 | 8.15 | 10.05 | 8.15 | 11.04 | 10.80 | 10.10 | 9.26 | |||
| Davis Winter 2024 | Semi Final | 20 | 8.60 | 9.58 | 10.46 | 9.37 | 8.60 | 8.94 | 10.44 | ||
| Second round | 20 | 8.79 | 9.95 | 9.88 | DNF | 10.31 | 8.79 | 9.65 | |||
| First round | 18 | 8.15 | 10.04 | 9.61 | 11.56 | 8.15 | 12.20 | 8.94 | |||
| Folsom Winter 2023 | Final | 10 | 7.89 | 10.08 | 11.79 | 7.89 | 12.12 | 8.96 | 9.49 | ||
| Second round | 10 | 7.77 | 9.35 | 8.79 | 7.77 | 9.02 | 10.26 | 10.25 | |||
| First round | 16 | 9.05 | 10.48 | 13.08 | 11.72 | 9.05 | 10.07 | 9.65 | |||
| Bring the Heat AZ 2023 | Final | 8 | 6.14 | 10.19 | 12.24 | 10.73 | 9.53 | 6.14 | 10.30 | ||
| Second round | 5 | 8.51 | 10.25 | 10.92 | 10.76 | 11.41 | 8.51 | 9.07 | |||
| First round | 10 | 9.54 | 11.16 | 10.87 | 11.19 | 11.41 | 14.73 | 9.54 | |||
| Bay Area Speedcubin' 50 - Berkeley 2023 | Second round | 22 | 8.69 | 9.95 | 9.58 | 11.04 | 8.69 | 10.04 | 10.23 | ||
| First round | 36 | 9.77 | 11.33 | 13.07 | 9.77 | 10.08 | 10.85 | DNF | |||
| Sioux City Sunday 2023 | Final | 9 | 10.35 | 10.88 | 11.17 | 10.98 | 10.35 | 10.82 | 10.84 | ||
| Second round | 10 | 9.14 | 10.33 | 11.44 | 9.14 | 11.20 | 9.88 | 9.92 | |||
| First round | 16 | 9.06 | 10.85 | 9.06 | 10.21 | 11.03 | 11.32 | 14.18 | |||
| Bay Area Speedcubin' 48 - 6.25 Berkeley 2023 | Second round | 30 | 9.49 | 10.96 | 10.54 | 12.10 | 10.80 | 9.49 | 11.54 | ||
| First round | 21 | 9.92 | 10.97 | 10.09 | 9.92 | 11.53 | 11.30 | 13.98 | |||
| Berkeley Spring 2023 | Second round | 44 | 10.91 | 11.90 | 12.05 | 12.44 | 10.91 | 11.22 | 21.26 | ||
| First round | 59 | 9.55 | 13.09 | 14.36 | 9.55 | 12.76 | 12.15 | DNF | |||
| 2x2x2 Cube | |||||||||||
| SacCubing XXII 2026 | First round | 29 | 3.15 | 3.69 | 3.15 | 3.56 | 5.34 | 3.87 | 3.64 | ||
| Berkeley Spring 2025 | First round | 24 | 2.45 | 4.03 | 6.84 | 3.53 | 2.45 | 3.65 | 4.92 | ||
| Davis Fall 2024 | Final | 8 | 2.42 | 3.76 | 3.56 | 2.42 | 4.29 | 4.97 | 3.43 | ||
| First round | 12 | 1.91 | 3.29 | 4.17 | DNF | 2.46 | 3.23 | 1.91 | |||
| La La Land 2024 | Second round | 42 | 2.98 | 4.40 | 5.98 | 4.32 | 2.98 | 3.74 | 5.15 | ||
| First round | 20 | 2.66 | 3.65 | 3.41 | DNF | 3.64 | 3.90 | 2.66 | |||
| CubingUSA Western Championship 2024 | Second round | 103 | 2.77 | 5.59 | 3.69 | 6.78 | 6.30 | 2.77 | 12.88 | ||
| First round | 80 | 2.68 | 4.44 | 28.20 | 4.03 | 3.63 | 5.65 | 2.68 | |||
| Folsom Summer 2024 | First round | 36 | 3.90 | 5.55 | 4.66 | 3.90 | DNF | 6.13 | 5.87 | ||
| Davis Winter 2024 | First round | 44 | 3.81 | 5.29 | 5.05 | 5.91 | DNF | 3.81 | 4.92 | ||
| Bay Area Speedcubin' 50 - Berkeley 2023 | First round | 34 | 2.35 | 4.11 | 4.31 | 4.26 | 2.35 | 5.00 | 3.77 | ||
| Sioux City Sunday 2023 | Second round | 16 | 3.25 | 3.93 | 5.93 | 4.50 | 3.25 | 3.76 | 3.54 | ||
| First round | 18 | 2.45 | 4.40 | 4.38 | 4.43 | 5.06 | 2.45 | 4.39 | |||
| Bay Area Speedcubin' 48 - 6.25 Berkeley 2023 | First round | 53 | 2.80 | 5.41 | 6.96 | 2.80 | 5.23 | 4.46 | 6.53 | ||
| 4x4x4 Cube | |||||||||||
| SacCubing XXII 2026 | First round | 12 | 33.02 | 35.88 | 36.48 | 33.02 | 39.98 | 34.90 | 36.27 | ||
| Davis Fall 2024 | Final | 7 | 28.85 | 37.52 | 39.59 | 50.94 | 28.85 | 33.17 | 39.80 | ||
| First round | 5 | 34.12 | 35.04 | 36.93 | 34.12 | 34.69 | 35.87 | 34.56 | |||
| La La Land 2024 | Final | 10 | 36.51 | 39.18 | 37.53 | 40.10 | 40.35 | 39.91 | 36.51 | ||
| Second round | 12 | 32.44 | 40.26 | DNF | 41.73 | 40.33 | 38.72 | 32.44 | |||
| First round | 15 | 40.47 | 43.15 | 44.74 | 40.47 | 43.92 | 41.05 | 44.47 | |||
| CubingUSA Western Championship 2024 | Second round | 27 | 33.90 | 37.90 | DNF | 38.02 | 37.23 | 33.90 | 38.46 | ||
| First round | 27 | 33.01 | 39.45 | 45.84 | 33.01 | 36.06 | 41.61 | 40.69 | |||
| Folsom Summer 2024 | Final | 4 | 36.42 | 39.09 | 39.61 | 36.42 | 40.80 | 37.01 | 40.64 | ||
| Davis Winter 2024 | Final | 10 | 35.76 | 37.75 | 40.86 | 40.14 | 35.76 | 36.06 | 37.06 | ||
| Folsom Winter 2023 | First round | 43 | 39.25 | DNF | DNF | 39.25 | DNF | 43.30 | 41.79 | ||
| Bring the Heat AZ 2023 | Final | 4 | 34.96 | 41.43 | 40.22 | 34.96 | 49.99 | 40.11 | 43.97 | ||
| First round | 6 | 37.24 | 42.27 | 55.88 | 37.24 | 41.81 | 45.67 | 39.33 | |||
| Bay Area Speedcubin' 50 - Berkeley 2023 | First round | 23 | 44.54 | 45.63 | 44.98 | 44.54 | 47.09 | 46.91 | 44.99 | ||
| Sioux City Sunday 2023 | Final | 15 | 39.75 | 45.55 | 45.81 | 47.71 | 39.75 | 45.91 | 44.92 | ||
| Berkeley Spring 2023 | First round | 49 | 52.03 | 57.05 | 52.03 | 56.01 | 1:00.17 | 54.96 | 1:05.55 | ||
| 5x5x5 Cube | |||||||||||
| SacCubing XXII 2026 | Final | 14 | 1:06.56 | 1:11.42 | 1:10.58 | 1:07.71 | 1:15.98 | 1:53.96 | 1:06.56 | ||
| Berkeley Spring 2025 | Final | 10 | 1:08.88 | 1:12.40 | 1:10.35 | 1:22.70 | 1:15.74 | 1:11.11 | 1:08.88 | ||
| La La Land 2024 | First round | 29 | 1:22.29 | 1:25.95 | DNF | 1:22.29 | 1:26.51 | 1:28.20 | 1:23.13 | ||
| CubingUSA Western Championship 2024 | First round | 37 | 1:08.31 | 1:17.13 | 1:21.35 | 1:08.31 | 1:15.80 | 1:14.24 | 1:26.48 | ||
| Berkeley Summer 2024 | Final | 21 | 1:13.21 | 1:22.49 | 1:21.97 | 1:13.21 | 1:21.14 | 1:26.00 | 1:24.36 | ||
| Bring the Heat AZ 2023 | Final | 5 | 1:21.38 | 1:23.52 | 1:25.68 | 1:54.10 | 1:21.38 | 1:21.84 | 1:23.04 | ||
| First round | 6 | 1:14.72 | 1:23.27 | 1:14.72 | 1:20.71 | 1:22.33 | 1:45.38 | 1:26.77 | |||
| Bay Area Speedcubin' 48 - 6.25 Berkeley 2023 | First round | 23 | 1:32.40 | 1:37.73 | 1:34.81 | 1:42.00 | 1:45.13 | 1:32.40 | 1:36.37 | ||
| 6x6x6 Cube | |||||||||||
| La La Land 2024 | First round | 22 | 2:30.58 | 2:45.26 | 3:06.47 | 2:38.74 | 2:30.58 | ||||
| CubingUSA Western Championship 2024 | First round | 39 | 2:20.97 | 2:38.25 | 2:48.08 | 2:45.70 | 2:20.97 | ||||
| Berkeley Summer 2024 | Final | 22 | 3:02.08 | 3:13.38 | 3:15.15 | 3:22.92 | 3:02.08 | ||||
| Bay Area Speedcubin' 48 - 6.25 Berkeley 2023 | First round | 17 | 3:11.55 | 3:21.36 | 3:24.49 | 3:28.05 | 3:11.55 | ||||
| 7x7x7 Cube | |||||||||||
| La La Land 2024 | First round | 22 | 4:55.21 | 4:59.12 | 5:05.73 | 4:56.41 | 4:55.21 | ||||
| Folsom Winter 2023 | Final | 12 | 4:31.68 | 4:56.55 | 4:31.68 | 5:11.30 | 5:06.67 | ||||
| Sioux City Sunday 2023 | Final | 10 | 4:40.24 | 5:02.92 | 4:40.24 | 5:32.78 | 4:55.75 | ||||
| 3x3x3 Blindfolded | |||||||||||
| Davis Big Summer 2026 | First round | 15 | 6:42.19 | DNF | DNF | 6:42.19 | DNS | DNS | DNS | ||
| La La Land 2024 | First round | 23 | DNF | DNF | DNF | DNF | DNS | ||||
| Folsom Winter 2023 | Final | 14 | DNF | DNF | DNF | DNF | DNF | ||||
| 3x3x3 One-Handed | |||||||||||
| La La Land 2024 | Second round | 21 | 19.56 | 21.45 | 21.80 | 22.85 | 19.56 | 19.69 | 31.82 | ||
| First round | 48 | 21.35 | 26.13 | 25.36 | 21.35 | 28.72 | 24.30 | DNF | |||
| CubingUSA Western Championship 2024 | First round | 75 | 22.83 | 26.25 | 31.65 | 25.67 | 27.22 | 25.86 | 22.83 | ||
| Berkeley Summer 2024 | First round | 52 | 25.94 | 28.65 | 30.36 | 26.25 | 37.82 | 25.94 | 29.33 | ||
| Bay Area Speedcubin' 50 - Berkeley 2023 | First round | 43 | 22.62 | 24.65 | 23.54 | 26.42 | 27.75 | 24.00 | 22.62 | ||
| Clock | |||||||||||
| Davis Big Summer 2026 | First round | 14 | 6.81 | 7.60 | 7.66 | 8.15 | 8.00 | 6.81 | 7.15 | ||
| Flushing Glow Open PM 2025 | Final | 7 | 6.61 | 7.42 | 7.61 | 6.61 | 7.04 | 7.60 | 7.80 | ||
| First round | 8 | 5.75 | 7.50 | 6.58 | 8.91 | 7.00 | 5.75 | DNF | |||
| La La Land 2024 | First round | 20 | 8.13 | 9.12 | 8.64 | 8.13 | 9.01 | 11.08 | 9.71 | ||
| CubingUSA Western Championship 2024 | First round | 54 | 10.46 | 11.68 | 11.35 | 11.49 | 12.28 | 10.46 | 12.21 | ||
| Folsom Summer 2024 | Final | 16 | 10.81 | 15.90 | 10.81 | 18.59 | 14.70 | DNF | 14.41 | ||
| Bring the Heat AZ 2023 | Final | 6 | 14.39 | 16.95 | 17.24 | 14.39 | DNF | 18.29 | 15.31 | ||
| First round | 6 | 12.97 | 16.20 | 14.97 | 15.53 | 22.45 | 12.97 | 18.10 | |||
| Megaminx | |||||||||||
| Berkeley Spring 2025 | First round | 29 | 1:49.40 | 1:59.87 | 2:07.53 | 1:49.40 | 2:09.67 | 1:56.11 | 1:55.96 | ||
| Davis Fall 2024 | Final | 24 | 1:38.66 | 1:42.86 | 1:47.60 | 1:39.92 | 1:52.80 | 1:41.07 | 1:38.66 | ||
| La La Land 2024 | First round | 53 | 1:45.09 | 2:06.67 | 1:45.09 | 1:50.52 | 2:17.00 | 2:12.48 | 2:27.18 | ||
| Berkeley Summer 2024 | Final | 44 | 1:37.37 | 1:53.38 | 1:50.08 | 2:10.23 | 1:37.37 | 2:00.47 | 1:49.60 | ||
| Davis Winter 2024 | Final | 30 | 1:30.69 | 1:54.73 | 1:59.45 | 2:04.98 | 1:30.69 | 2:06.82 | 1:39.77 | ||
| Bay Area Speedcubin' 50 - Berkeley 2023 | Final | 23 | 1:36.35 | 1:48.74 | 1:43.22 | 1:53.94 | 1:49.05 | 1:54.68 | 1:36.35 | ||
| Pyraminx | |||||||||||
| SacCubing XXII 2026 | First round | 40 | 9.86 | 12.98 | 12.87 | 16.83 | 10.53 | 9.86 | 15.54 | ||
| La La Land 2024 | Second round | 53 | 4.29 | 10.49 | DNF | 7.51 | 13.26 | 4.29 | 10.69 | ||
| First round | 76 | 10.38 | 11.51 | 10.38 | 10.57 | 13.49 | 10.47 | 13.92 | |||
| CubingUSA Western Championship 2024 | First round | 117 | 7.60 | 11.86 | 7.60 | 9.54 | 12.29 | 16.93 | 13.75 | ||
| Davis Winter 2024 | First round | 31 | 6.50 | 8.61 | 6.52 | 6.80 | 6.50 | DNF | 12.50 | ||
| Folsom Winter 2023 | First round | 30 | 5.32 | 9.72 | 10.48 | 5.32 | 10.11 | 12.08 | 8.57 | ||
| Skewb | |||||||||||
| Davis Big Summer 2026 | Final | 9 | 3.65 | 6.29 | 6.82 | 7.58 | 3.65 | 4.48 | 8.54 | ||
| First round | 8 | 4.13 | 4.96 | 5.54 | 4.15 | 5.46 | 4.13 | 5.27 | |||
| La La Land 2024 | Second round | 19 | 4.76 | 5.97 | 4.76 | 7.08 | 6.55 | 4.94 | 6.42 | ||
| First round | 23 | 4.27 | 6.34 | 5.49 | 6.88 | 4.27 | 6.65 | 7.58 | |||
| CubingUSA Western Championship 2024 | First round | 136 | 5.59 | DNF | 5.59 | 6.27 | DNF | 7.53 | DNF | ||
| Folsom Summer 2024 | Final | 11 | 4.64 | 9.09 | 4.64 | 5.99 | DNF | 13.35 | 7.92 | ||
| First round | 8 | 4.42 | 6.56 | 5.86 | 4.42 | 17.28 | 6.97 | 6.84 | |||
| Berkeley Summer 2024 | First round | 33 | 7.07 | 8.58 | 9.55 | DNF | 7.07 | 8.38 | 7.82 | ||
| Bring the Heat AZ 2023 | Final | 7 | 6.21 | 7.65 | 8.22 | 6.21 | 7.69 | 7.73 | 7.53 | ||
| First round | 5 | 6.51 | 7.35 | 7.95 | 6.89 | 7.26 | 6.51 | 7.89 | |||
| Sioux City Sunday 2023 | First round | 17 | 6.09 | 8.11 | 10.22 | 6.09 | 7.46 | 7.82 | 9.06 | ||
| Square-1 | |||||||||||
| Flushing Glow Open PM 2025 | Final | 3 | 12.43 | 12.94 | 15.99 | 12.64 | 13.16 | 12.43 | 13.01 | ||
| First round | 3 | 10.38 | 11.79 | 12.14 | 12.97 | 10.62 | 12.60 | 10.38 | |||
| Davis Fall 2024 | Final | 4 | 9.05 | 12.29 | 12.69 | 9.05 | 14.01 | 10.18 | 14.34 | ||
| La La Land 2024 | Final | 10 | 12.18 | 15.03 | 15.96 | 12.18 | 14.99 | 14.42 | 15.69 | ||
| First round | 7 | 10.97 | 12.23 | 11.38 | 16.07 | 10.97 | 11.66 | 13.66 | |||
| CubingUSA Western Championship 2024 | Final | 14 | 8.73 | 13.56 | 15.37 | 8.73 | 13.87 | 11.45 | 15.52 | ||
| First round | 15 | 11.56 | 13.57 | 15.13 | 13.35 | 11.56 | 12.24 | 15.77 | |||
| Folsom Summer 2024 | Final | 2 | 9.00 | 10.42 | 11.81 | 9.00 | 9.93 | 9.86 | 11.48 | ||
| First round | 2 | 10.66 | 14.75 | 10.66 | 14.80 | 13.64 | 15.81 | DNF | |||
| Berkeley Summer 2024 | First round | 12 | 11.40 | 15.12 | 13.44 | 11.40 | 12.86 | 19.07 | 20.42 | ||
| Davis Winter 2024 | Final | 8 | 12.93 | 15.50 | 12.93 | 15.52 | 14.70 | 16.29 | 18.15 | ||
| Folsom Winter 2023 | Final | 7 | 11.28 | 15.00 | 18.93 | 13.05 | 11.28 | 18.11 | 13.85 | ||
| First round | 7 | 13.18 | 14.11 | 13.94 | 13.18 | 14.93 | 14.80 | 13.58 | |||
| Sioux City Sunday 2023 | First round | 15 | 15.32 | 19.24 | 24.08 | 28.90 | 15.55 | 15.32 | 18.09 | ||