Zachary Friedman
Compétition(s) : 26
Pays visité(s) : 1 - voir la carte
Première compétition : USNationals2014 (2014-08-01)
Dernières compétitions : Rubik's WCA World Championship 2025 (2025-07-03) The Battle of Lexington Semiquincentennial 2025 (2025-04-26) Springfield Cube Day 2024 (2024-11-16)
PR Streak : 15
Records Personnel
| Épreuve | Single | Rank US | Rank W | Moyenne | Rank US | Rank W |
|---|
| 333 | 8.99 | 2547 | 12791 | 10.65 | 2168 | 10908 |
| 222 | 2.81 | 4555 | 21489 | 3.86 | 2516 | 11686 |
| 444 | 36.26 | 1121 | 6173 | 42.00 | 1145 | 6283 |
| 555 | 1:12.12 | 944 | 4995 | 1:18.25 | 862 | 4496 |
| 666 | 2:05.65 | 452 | 2147 | 2:21.54 | 526 | 2585 |
| 777 | 3:26.67 | 483 | 2443 | 3:38.71 | 468 | 2401 |
| 333bf | 1:58.45 | 643 | 3797 | | | |
| 333fm | 37 | 777 | 4395 | | | |
| 333oh | 14.33 | 876 | 4652 | 18.28 | 913 | 5050 |
| clock | 12.12 | 2631 | 10584 | 15.51 | 2840 | 11301 |
| minx | 53.97 | 450 | 2223 | 1:02.62 | 500 | 2457 |
| pyram | 4.69 | 2802 | 13865 | 6.02 | 1493 | 7602 |
| skewb | 3.98 | 1568 | 7428 | 5.91 | 1091 | 5359 |
| sq1 | 23.16 | 2194 | 8429 | 37.12 | 2789 | 10633 |
| 444bf | | | | | | |
| 333mbf | | | | | | |
| 333ft | 2:08.37 | 309 | 1723 | 2:26.33 | 278 | 1510 |
Médailles obtenues
| Épreuve | Or | Argent | Bronze |
|---|
| 333 | 1 | | 3 |
|
| 222 | | | 2 |
|
| 444 | 1 | | 1 |
|
| 555 | 1 | 1 | 1 |
|
| 666 | | | 1 |
|
| 333fm | | | 1 |
|
| 333oh | | 2 | |
|
| minx | | 1 | |
|
| pyram | | 1 | 1 |
|
| skewb | 1 | 2 | 1 |
|
Évolution par épreuve
Meilleur et plus mauvais single d'une compétion et la meilleure moyenne des tours.
333
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2014-08-01 | 14.88 | 19.19 | 16.71 | 1488 | 1919 | 1671 |
| 2014-11-29 | 13.70 | 18.65 | 15.03 | 1370 | 1865 | 1503 |
| 2015-04-04 | 12.24 | 21.04 | 14.04 | 1224 | 2104 | 1404 |
| 2015-06-13 | 11.72 | 16.94 | 12.98 | 1172 | 1694 | 1298 |
| 2015-07-11 | 11.85 | 13.56 | 12.85 | 1185 | 1356 | 1285 |
| 2015-11-28 | 9.76 | 14.99 | 12.04 | 976 | 1499 | 1204 |
| 2016-01-02 | 11.69 | 14.55 | 12.61 | 1169 | 1455 | 1261 |
| 2016-02-13 | 10.75 | 13.84 | 12.09 | 1075 | 1384 | 1209 |
| 2016-05-07 | 10.44 | 14.96 | 11.78 | 1044 | 1496 | 1178 |
| 2017-01-21 | 10.33 | 22.12 | 11.95 | 1033 | 2212 | 1195 |
| 2017-03-18 | 10.18 | 14.44 | 12.33 | 1018 | 1444 | 1233 |
| 2017-07-29 | 9.33 | 16.65 | 10.81 | 933 | 1665 | 1081 |
| 2018-01-13 | 9.92 | 14.54 | 10.92 | 992 | 1454 | 1092 |
| 2018-06-09 | 8.99 | 15.13 | 11.53 | 899 | 1513 | 1153 |
| 2018-11-10 | 10.91 | 15.94 | 11.57 | 1091 | 1594 | 1157 |
| 2019-01-20 | 10.54 | 15.61 | 12.02 | 1054 | 1561 | 1202 |
| 2019-04-14 | 10.39 | 14.84 | 11.54 | 1039 | 1484 | 1154 |
| 2020-02-22 | 10.71 | 14.77 | 13.35 | 1071 | 1477 | 1335 |
| 2022-05-27 | 9.65 | 17.36 | 10.65 | 965 | 1736 | 1065 |
| 2023-06-24 | 10.23 | 12.46 | 10.68 | 1023 | 1246 | 1068 |
| 2024-07-29 | 10.19 | 13.59 | 12.28 | 1019 | 1359 | 1228 |
| 2024-11-16 | 10.01 | 15.73 | 11.56 | 1001 | 1573 | 1156 |
| 2025-04-26 | 10.44 | 13.53 | 11.77 | 1044 | 1353 | 1177 |
| 2025-07-03 | 10.85 | 14.66 | 11.98 | 1085 | 1466 | 1198 |
222
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2014-08-01 | 5.51 | 7.40 | 6.70 | 551 | 740 | 670 |
| 2014-11-29 | 3.87 | 6.35 | 4.81 | 387 | 635 | 481 |
| 2015-04-04 | 4.07 | 9.18 | 5.05 | 407 | 918 | 505 |
| 2015-06-13 | 3.80 | 6.74 | 4.47 | 380 | 674 | 447 |
| 2015-11-28 | 2.94 | 6.04 | 4.14 | 294 | 604 | 414 |
| 2016-01-02 | 2.81 | 6.07 | 4.68 | 281 | 607 | 468 |
| 2016-02-13 | 3.76 | 7.40 | 4.19 | 376 | 740 | 419 |
| 2016-05-07 | 3.08 | 6.66 | 4.38 | 308 | 666 | 438 |
| 2017-03-18 | 3.05 | 6.16 | 4.21 | 305 | 616 | 421 |
| 2017-07-29 | 2.96 | 10.30 | 3.86 | 296 | 1030 | 386 |
| 2019-01-20 | 4.13 | 5.04 | 4.77 | 413 | 504 | 477 |
| 2022-05-27 | 3.98 | 8.09 | 5.22 | 398 | 809 | 522 |
| 2025-04-26 | 4.59 | 6.10 | 4.95 | 459 | 610 | 495 |
444
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2014-08-01 | 1:03.19 | 1:14.31 | 1:06.26 | 6319 | 7431 | 6626 |
| 2015-04-04 | 50.14 | 58.19 | 52.07 | 5014 | 5819 | 5207 |
| 2015-07-11 | 43.05 | 59.16 | 51.13 | 4305 | 5916 | 5113 |
| 2016-01-02 | 43.74 | 59.93 | 48.40 | 4374 | 5993 | 4840 |
| 2016-05-07 | 43.82 | 1:26.75 | 50.99 | 4382 | 8675 | 5099 |
| 2017-01-21 | 42.02 | 48.50 | 46.02 | 4202 | 4850 | 4602 |
| 2017-07-29 | 38.77 | 45.13 | 42.12 | 3877 | 4513 | 4212 |
| 2018-06-09 | 36.26 | 50.46 | 42.79 | 3626 | 5046 | 4279 |
| 2022-05-27 | 41.08 | 55.80 | 46.95 | 4108 | 5580 | 4695 |
| 2023-06-24 | 41.39 | 52.74 | 47.43 | 4139 | 5274 | 4743 |
| 2025-04-26 | 38.93 | 53.21 | 42.00 | 3893 | 5321 | 4200 |
| 2025-07-03 | 38.32 | 55.18 | 42.96 | 3832 | 5518 | 4296 |
555
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2014-08-01 | 2:29.67 | 2:30.53 | | 14967 | 15053 | |
| 2015-06-13 | 1:43.88 | 2:07.88 | 1:50.31 | 10388 | 12788 | 11031 |
| 2015-07-11 | 1:32.52 | 1:49.56 | 1:39.70 | 9252 | 10956 | 9970 |
| 2016-01-02 | 1:31.18 | 1:44.72 | 1:38.85 | 9118 | 10472 | 9885 |
| 2016-05-07 | 1:28.68 | 1:40.82 | 1:32.11 | 8868 | 10082 | 9211 |
| 2017-03-18 | 1:25.21 | 1:38.65 | 1:32.80 | 8521 | 9865 | 9280 |
| 2017-07-29 | 1:12.12 | 1:27.74 | 1:18.25 | 7212 | 8774 | 7825 |
| 2018-01-13 | 1:22.13 | 1:42.35 | 1:26.28 | 8213 | 10235 | 8628 |
| 2018-06-09 | 1:12.80 | 1:31.43 | 1:20.38 | 7280 | 9143 | 8038 |
| 2019-01-20 | 1:22.51 | 1:31.79 | 1:25.53 | 8251 | 9179 | 8553 |
| 2022-05-27 | 1:23.50 | 1:31.53 | 1:24.62 | 8350 | 9153 | 8462 |
| 2023-06-24 | 1:17.13 | 1:23.38 | 1:21.65 | 7713 | 8338 | 8165 |
| 2024-07-29 | 1:12.32 | 1:36.05 | 1:19.74 | 7232 | 9605 | 7974 |
| 2025-04-26 | 1:13.48 | 1:30.35 | 1:24.17 | 7348 | 9035 | 8417 |
| 2025-07-03 | 1:14.77 | 1:24.67 | | 7477 | 8467 | |
666
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2014-08-01 | 4:12.27 | 5:18.27 | 4:44.15 | 25227 | 31827 | 28415 |
| 2016-01-02 | 2:35.58 | 3:06.97 | 2:48.05 | 15558 | 18697 | 16805 |
| 2017-01-21 | 2:50.87 | 3:16.50 | 3:02.11 | 17087 | 19650 | 18211 |
| 2018-01-13 | 2:15.29 | 2:31.96 | 2:25.75 | 13529 | 15196 | 14575 |
| 2019-01-20 | 2:34.19 | 3:41.04 | 3:00.11 | 15419 | 22104 | 18011 |
| 2019-12-15 | 2:41.44 | 3:09.29 | 2:57.39 | 16144 | 18929 | 17739 |
| 2022-05-27 | 2:49.30 | 2:55.67 | 2:53.34 | 16930 | 17567 | 17334 |
| 2023-06-24 | 2:05.65 | 2:43.61 | 2:21.54 | 12565 | 16361 | 14154 |
| 2025-07-03 | 2:52.98 | 2:52.98 | | 17298 | 17298 | |
777
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2014-08-01 | 6:45.08 | 6:45.08 | | 40508 | 40508 | |
| 2017-03-18 | 4:11.84 | 4:43.14 | 4:26.13 | 25184 | 28314 | 26613 |
| 2018-01-13 | 3:47.12 | 4:29.58 | 4:13.60 | 22712 | 26958 | 25360 |
| 2018-11-10 | 3:54.12 | 4:09.69 | 4:00.57 | 23412 | 24969 | 24057 |
| 2019-04-14 | 4:10.30 | 4:48.70 | 4:24.02 | 25030 | 28870 | 26402 |
| 2019-12-15 | 3:59.24 | 4:08.13 | 4:04.63 | 23924 | 24813 | 24463 |
| 2020-02-22 | 4:16.38 | 4:24.96 | 4:20.69 | 25638 | 26496 | 26069 |
| 2022-05-27 | 3:57.74 | 4:36.79 | 4:16.03 | 23774 | 27679 | 25603 |
| 2023-06-24 | 3:30.07 | 3:46.20 | 3:38.71 | 21007 | 22620 | 21871 |
| 2024-07-29 | 3:26.67 | 4:00.36 | 3:43.62 | 20667 | 24036 | 22362 |
| 2025-07-03 | 3:54.50 | 3:54.50 | | 23450 | 23450 | |
333bf
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2014-08-01 | | | | | | |
| 2014-11-29 | | | | | | |
| 2015-04-04 | | | | | | |
| 2015-07-11 | | | | | | |
| 2015-11-28 | 4:10.79 | 4:10.79 | | 25079 | 25079 | |
| 2016-01-02 | | | | | | |
| 2017-03-18 | 2:53.35 | 2:53.35 | | 17335 | 17335 | |
| 2018-01-13 | 3:00.57 | 3:00.57 | | 18057 | 18057 | |
| 2018-06-09 | 1:58.45 | 3:47.16 | | 11845 | 22716 | |
| 2023-06-24 | 3:09.50 | 3:09.50 | | 18950 | 18950 | |
333fm
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2015-11-28 | 40 | 40 | | 40 | 40 | |
| 2017-01-21 | 42 | 42 | | 42 | 42 | |
| 2022-03-13 | 37 | 37 | | 37 | 37 | |
333oh
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2014-08-01 | 32.89 | 58.41 | 33.75 | 3289 | 5841 | 3375 |
| 2015-04-04 | 17.17 | 25.30 | 22.25 | 1717 | 2530 | 2225 |
| 2015-06-13 | 22.50 | 39.17 | 25.30 | 2250 | 3917 | 2530 |
| 2015-07-11 | 20.61 | 24.06 | 23.21 | 2061 | 2406 | 2321 |
| 2015-11-28 | 16.01 | 25.05 | 21.65 | 1601 | 2505 | 2165 |
| 2016-05-07 | 17.64 | 25.08 | 20.29 | 1764 | 2508 | 2029 |
| 2017-01-21 | 14.33 | 24.84 | 19.22 | 1433 | 2484 | 1922 |
| 2017-03-18 | 15.18 | 26.58 | 18.93 | 1518 | 2658 | 1893 |
| 2017-07-29 | 16.59 | 32.90 | 19.66 | 1659 | 3290 | 1966 |
| 2018-01-13 | 16.02 | 28.81 | 18.28 | 1602 | 2881 | 1828 |
| 2018-06-09 | 17.92 | 22.29 | 19.16 | 1792 | 2229 | 1916 |
| 2018-11-10 | 16.08 | 38.23 | 19.94 | 1608 | 3823 | 1994 |
| 2019-01-20 | 14.65 | 28.82 | 18.88 | 1465 | 2882 | 1888 |
| 2020-02-22 | 19.38 | 27.62 | 24.30 | 1938 | 2762 | 2430 |
| 2024-11-16 | 18.65 | 22.19 | 20.52 | 1865 | 2219 | 2052 |
clock
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2014-11-29 | 12.12 | 18.31 | 15.81 | 1212 | 1831 | 1581 |
| 2015-11-28 | 13.54 | 21.60 | 17.17 | 1354 | 2160 | 1717 |
| 2017-01-21 | 14.43 | 23.74 | 15.51 | 1443 | 2374 | 1551 |
minx
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2014-08-01 | 2:08.81 | 2:38.40 | 2:22.01 | 12881 | 15840 | 14201 |
| 2016-02-13 | 1:26.45 | 1:42.40 | 1:33.47 | 8645 | 10240 | 9347 |
| 2017-01-21 | 1:08.91 | 1:20.16 | 1:13.15 | 6891 | 8016 | 7315 |
| 2018-11-10 | 1:11.80 | 1:28.19 | 1:19.76 | 7180 | 8819 | 7976 |
| 2019-04-14 | 1:19.99 | 2:13.89 | 1:28.87 | 7999 | 13389 | 8887 |
| 2019-12-15 | 1:14.22 | 1:40.85 | 1:26.47 | 7422 | 10085 | 8647 |
| 2022-05-27 | 1:12.75 | 1:28.88 | 1:19.42 | 7275 | 8888 | 7942 |
| 2024-11-16 | 53.97 | 1:14.23 | 1:02.62 | 5397 | 7423 | 6262 |
| 2025-04-26 | 57.15 | 1:09.34 | 1:05.17 | 5715 | 6934 | 6517 |
| 2025-07-03 | 1:02.46 | 1:08.24 | 1:05.24 | 6246 | 6824 | 6524 |
pyram
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2014-11-29 | 7.05 | 11.89 | 9.62 | 705 | 1189 | 962 |
| 2015-04-04 | 6.56 | 8.80 | 8.12 | 656 | 880 | 812 |
| 2015-06-13 | 4.75 | 13.51 | 7.00 | 475 | 1351 | 700 |
| 2015-07-11 | 6.21 | 8.71 | 6.83 | 621 | 871 | 683 |
| 2016-01-02 | 5.31 | 9.82 | 6.02 | 531 | 982 | 602 |
| 2016-02-13 | 5.42 | 13.94 | 7.76 | 542 | 1394 | 776 |
| 2016-05-07 | 6.53 | 14.43 | 8.72 | 653 | 1443 | 872 |
| 2017-03-18 | 6.35 | 10.64 | 7.14 | 635 | 1064 | 714 |
| 2017-07-29 | 5.41 | 10.04 | 6.68 | 541 | 1004 | 668 |
| 2018-06-09 | 4.69 | 16.41 | 7.01 | 469 | 1641 | 701 |
| 2018-11-10 | 6.77 | 10.64 | 9.69 | 677 | 1064 | 969 |
| 2022-05-27 | 5.95 | 16.62 | 7.65 | 595 | 1662 | 765 |
| 2025-04-26 | 8.71 | 12.48 | 9.70 | 871 | 1248 | 970 |
skewb
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2014-08-01 | 10.10 | 31.56 | 17.52 | 1010 | 3156 | 1752 |
| 2014-11-29 | 6.13 | 11.98 | 8.34 | 613 | 1198 | 834 |
| 2015-04-04 | 4.55 | 9.16 | 7.80 | 455 | 916 | 780 |
| 2015-06-13 | 6.02 | 9.58 | 8.16 | 602 | 958 | 816 |
| 2015-07-11 | 4.11 | 9.37 | 5.91 | 411 | 937 | 591 |
| 2016-02-13 | 6.01 | 7.74 | 7.33 | 601 | 774 | 733 |
| 2017-03-18 | 3.98 | 12.20 | 5.99 | 398 | 1220 | 599 |
| 2018-01-13 | 5.22 | 7.94 | 7.07 | 522 | 794 | 707 |
| 2019-01-20 | 5.22 | 11.40 | 5.96 | 522 | 1140 | 596 |
| 2022-05-27 | 4.53 | 10.12 | 6.53 | 453 | 1012 | 653 |
sq1
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2014-08-01 | 1:21.12 | 1:47.02 | | 8112 | 10702 | |
| 2015-11-28 | 23.16 | 57.32 | 37.12 | 2316 | 5732 | 3712 |
| 2016-01-02 | 36.90 | 56.70 | 40.22 | 3690 | 5670 | 4022 |
| 2017-01-21 | 32.54 | 49.75 | 39.56 | 3254 | 4975 | 3956 |
| 2020-02-22 | 31.87 | 52.60 | 40.65 | 3187 | 5260 | 4065 |
| 2022-05-27 | 28.09 | 52.60 | 43.21 | 2809 | 5260 | 4321 |
444bf
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2022-03-13 | | | | | | |
333mbf
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2018-06-09 | | | | | | |
| 2022-03-13 | | | | | | |
333ft
| Date | Best single | Worst single | Best average | Best single | Worst single | Best average |
|---|
| 2017-01-21 | 2:08.37 | 2:40.39 | 2:26.33 | 12837 | 16039 | 14633 |
Globe-Trotter
