Robert Burke
#14 of 2290

Robert Burke

Expert
sharpobject Joined Jul 13, 2022 Last seen Jan 16, 2026
27'360.04 RP16'039.96 to Master
Expert
Master
DateTypeChallengeAmount
Jan 16, 2026 14:36Global RecordSort UUIDs+34.95
Jan 16, 2026 14:36Score ImprovementSort UUIDs+34.95
Jan 16, 2026 00:00Daily Login Bonus+1.00
Dec 28, 2025 16:29Score ImprovementBlue color from RGBA+2'012.81
Dec 28, 2025 16:22Score ImprovementBlue color from RGB+2'613.10
Dec 28, 2025 00:00Daily Login Bonus+1.00
Jul 26, 2024 00:00Daily Login Bonus+1.00
Jun 30, 2024 14:35Score ImprovementUnique strings+87.01
Jun 30, 2024 14:33Score ImprovementUnique strings+6.68
Jun 30, 2024 13:52Score ImprovementUnique strings+2.54
Jun 30, 2024 13:51Score ImprovementUnique strings+24.13
Jun 30, 2024 13:47Score ImprovementUnique strings+15.07
Jun 30, 2024 00:00Daily Login Bonus+1.00
Apr 18, 2024 19:18Score ImprovementCount uint8+7.19
Apr 18, 2024 19:01Score ImprovementCount uint8+6.63
Apr 18, 2024 18:07Score ImprovementCount uint8+2.03
Apr 18, 2024 15:21Score ImprovementCount uint8+3.55
Apr 18, 2024 00:00Daily Login Bonus+1.00
Feb 16, 2024 00:00Daily Login Bonus+1.00
Feb 15, 2024 00:00Daily Login Bonus+1.00
Nov 25, 2023 00:00Daily Login Bonus+1.00
Nov 8, 2023 10:58Score ImprovementParse integers+30.38
Nov 8, 2023 10:57Score ImprovementParse integers+10.83
Nov 8, 2023 10:53Score ImprovementParse integers+5.61
Nov 8, 2023 00:00Daily Login Bonus+1.00
Nov 7, 2023 00:00Daily Login Bonus+1.00
Nov 6, 2023 10:24Score ImprovementParse integers+5.74
Nov 6, 2023 00:00Daily Login Bonus+1.00
Oct 17, 2023 00:00Daily Login Bonus+1.00
Oct 12, 2023 00:00Daily Login Bonus+1.00
Oct 6, 2023 00:00Daily Login Bonus+1.00
Oct 5, 2023 00:00Daily Login Bonus+1.00
Oct 4, 2023 00:00Daily Login Bonus+1.00
Oct 2, 2023 00:00Daily Login Bonus+1.00
Oct 1, 2023 18:52Score ImprovementBlue color from RGBA+8.33
Oct 1, 2023 00:00Daily Login Bonus+1.00
Aug 20, 2023 15:47Score ImprovementUnique strings+17.80
Aug 20, 2023 00:00Daily Login Bonus+1.00
Aug 5, 2023 00:00Daily Login Bonus+1.00
Aug 4, 2023 00:00Daily Login Bonus+1.00
Jul 10, 2023 01:30Score ImprovementLarge integer multiplication+6.05
Jul 10, 2023 00:00Daily Login Bonus+1.00
May 12, 2023 00:00Daily Login Bonus+1.00
Apr 16, 2023 00:00Daily Login Bonus+1.00
Apr 15, 2023 06:43Score ImprovementParse JSON+3.01
Apr 15, 2023 06:33Score ImprovementParse JSON+670.00
Apr 15, 2023 05:44Score ImprovementParse JSON+2.22
Apr 15, 2023 05:42Score ImprovementParse JSON+82.35
Apr 15, 2023 00:00Daily Login Bonus+1.00
Apr 14, 2023 00:00Daily Login Bonus+1.00
Apr 12, 2023 00:00Daily Login Bonus+1.00
Apr 9, 2023 11:09Score ImprovementParse JSON+0.22
Apr 9, 2023 00:00Daily Login Bonus+1.00
Mar 21, 2023 00:00Daily Login Bonus+1.00
Mar 19, 2023 19:54Global RecordLarge matrix multiplication+27.14
Mar 19, 2023 19:54Score ImprovementLarge matrix multiplication+27.14
Mar 19, 2023 19:53Global RecordLarge matrix multiplication+3.61
Mar 19, 2023 19:53Score ImprovementLarge matrix multiplication+3.61
Mar 19, 2023 19:41Global RecordLarge matrix multiplication+790.47
Mar 19, 2023 19:41Score ImprovementLarge matrix multiplication+2'240.58
Mar 19, 2023 19:05Score ImprovementLarge matrix multiplication+0.17
Mar 19, 2023 18:51Score ImprovementLarge matrix multiplication+26.82
Mar 19, 2023 00:00Daily Login Bonus+1.00
Mar 17, 2023 00:00Daily Login Bonus+1.00
Feb 28, 2023 00:00Daily Login Bonus+1.00
Feb 27, 2023 14:41Score ImprovementBlue color from RGB+0.19
Feb 27, 2023 14:37Score ImprovementBlue color from RGB+0.78
Feb 27, 2023 14:07Score ImprovementBlue color from RGBA+1.62
Feb 27, 2023 14:06Score ImprovementBlue color from RGBA+0.35
Feb 27, 2023 14:05Score ImprovementBlue color from RGBA+2.57
Feb 27, 2023 13:44Score ImprovementBlue color from RGBA+20.83
Feb 27, 2023 09:41Global RecordBlue color from RGB+1.64
Feb 27, 2023 09:41Score ImprovementBlue color from RGB+1.64
Feb 27, 2023 09:40Global RecordBlue color from RGB+28.92
Feb 27, 2023 09:40Score ImprovementBlue color from RGB+28.92
Feb 27, 2023 08:43Global RecordBlue color from RGB+40.95
Feb 27, 2023 08:43Score ImprovementBlue color from RGB+274.23
Feb 27, 2023 00:00Daily Login Bonus+1.00
Feb 20, 2023 00:00Daily Login Bonus+1.00
Feb 19, 2023 00:00Daily Login Bonus+1.00
Feb 18, 2023 00:00Daily Login Bonus+1.00
Feb 17, 2023 11:47Global RecordBlue color from RGBA+4.08
Feb 17, 2023 11:47Score ImprovementBlue color from RGBA+4.08
Feb 17, 2023 11:42Global RecordBlue color from RGBA+1.42
Feb 17, 2023 11:42Score ImprovementBlue color from RGBA+8.31
Feb 17, 2023 11:40Score ImprovementBlue color from RGBA+29.01
Feb 17, 2023 11:13Score ImprovementBlue color from RGBA+51.83
Feb 17, 2023 11:10Score ImprovementBlue color from RGBA+1.81
Feb 17, 2023 11:04Score ImprovementBlue color from RGBA+42.53
Feb 17, 2023 10:56Score ImprovementBlue color from RGBA+112.12
Feb 17, 2023 00:00Daily Login Bonus+1.00
Dec 28, 2022 14:06Score ImprovementParse integers+58.86
Dec 28, 2022 13:57Score ImprovementParse integers+27.65
Dec 28, 2022 08:19Global RecordSum of prime numbers+12.48
Dec 28, 2022 08:19Score ImprovementSum of prime numbers+12.48
Dec 28, 2022 04:54Global RecordSum of prime numbers+8.14
Dec 28, 2022 04:54Score ImprovementSum of prime numbers+8.14
Dec 28, 2022 03:19Global RecordSum of prime numbers+0.53
Dec 28, 2022 03:19Score ImprovementSum of prime numbers+0.53
Dec 28, 2022 02:42Global RecordSum of prime numbers+31.85
Dec 28, 2022 02:42Score ImprovementSum of prime numbers+31.85
Dec 28, 2022 02:41Global RecordSum of prime numbers+73.56
Dec 28, 2022 02:41Score ImprovementSum of prime numbers+73.56
Dec 28, 2022 02:41Global RecordSum of prime numbers+55.71
Dec 28, 2022 02:41Score ImprovementSum of prime numbers+55.71
Dec 28, 2022 02:40Global RecordSum of prime numbers+2.74
Dec 28, 2022 02:40Score ImprovementSum of prime numbers+2.74
Dec 28, 2022 02:39Global RecordSum of prime numbers+35.48
Dec 28, 2022 02:39Score ImprovementSum of prime numbers+85.45
Dec 28, 2022 00:00Daily Login Bonus+1.00
Dec 27, 2022 00:00Daily Login Bonus+1.00
Dec 8, 2022 00:00Daily Login Bonus+1.00
Dec 1, 2022 13:19Global RecordSort UUIDs+76.01
Dec 1, 2022 13:19Score ImprovementSort UUIDs+76.01
Dec 1, 2022 00:00Daily Login Bonus+1.00
Nov 30, 2022 14:48Global RecordSort UUIDs+10.28
Nov 30, 2022 14:48Score ImprovementSort UUIDs+10.28
Nov 30, 2022 14:28Global RecordSort UUIDs+15.30
Nov 30, 2022 14:28Score ImprovementSort UUIDs+15.30
Nov 30, 2022 14:22Global RecordSort UUIDs+555.53
Nov 30, 2022 14:22Score ImprovementSort UUIDs+1'186.53
Nov 30, 2022 14:03Score ImprovementSort UUIDs+7.57
Nov 30, 2022 13:34Score ImprovementSort UUIDs+1'750.34
Nov 30, 2022 00:00Daily Login Bonus+1.00
Nov 27, 2022 00:00Daily Login Bonus+1.00
Nov 26, 2022 20:07Score ImprovementFizz Buzz+23.60
Nov 26, 2022 00:00Daily Login Bonus+1.00
Nov 25, 2022 00:00Daily Login Bonus+1.00
Nov 24, 2022 10:57Score ImprovementSort UUIDs+2.26
Nov 24, 2022 00:00Daily Login Bonus+1.00
Nov 23, 2022 14:09Score ImprovementSort UUIDs+1.07
Nov 23, 2022 00:00Daily Login Bonus+1.00
Nov 22, 2022 12:18Score ImprovementSort UUIDs+11.49
Nov 22, 2022 00:00Daily Login Bonus+1.00
Oct 4, 2022 18:07Score ImprovementFormat integers+4.23
Oct 4, 2022 16:00Score ImprovementFormat integers+2.03
Oct 4, 2022 15:36Score ImprovementFormat integers+0.01
Oct 4, 2022 12:16Score ImprovementFormat integers+0.03
Oct 4, 2022 11:53Score ImprovementFormat integers+15.41
Oct 4, 2022 09:21Score ImprovementFormat integers+0.56
Oct 4, 2022 00:00Daily Login Bonus+1.00
Aug 30, 2022 00:00Daily Login Bonus+1.00
Aug 22, 2022 17:48Score ImprovementParse dateTime+21.85
Aug 22, 2022 17:47Score ImprovementArithmetic expressions+14.51
Aug 22, 2022 17:46Score ImprovementXML to JSON+8.94
Aug 22, 2022 17:46Score ImprovementMD5+2'732.99
Aug 22, 2022 00:00Daily Login Bonus+1.00
Aug 17, 2022 00:00Daily Login Bonus+1.00
Aug 8, 2022 00:00Daily Login Bonus+1.00
Aug 3, 2022 13:06Global RecordMedian+12.05
Aug 3, 2022 13:06Score ImprovementMedian+12.05
Aug 3, 2022 12:54Global RecordMedian+138.01
Aug 3, 2022 12:54Score ImprovementMedian+138.01
Aug 3, 2022 00:00Daily Login Bonus+1.00
Aug 2, 2022 22:58Global RecordMedian+2.02
Aug 2, 2022 22:58Score ImprovementMedian+2.02
Aug 2, 2022 22:55Global RecordMedian+51.02
Aug 2, 2022 22:55Score ImprovementMedian+51.02
Aug 2, 2022 22:51Global RecordMedian+25.67
Aug 2, 2022 22:51Score ImprovementMedian+25.67
Aug 2, 2022 22:46Global RecordMedian+193.11
Aug 2, 2022 22:46Score ImprovementMedian+193.11
Aug 2, 2022 21:22Global RecordMedian+10.50
Aug 2, 2022 21:22Score ImprovementMedian+10.50
Aug 2, 2022 21:02Global RecordMedian+97.32
Aug 2, 2022 21:02Score ImprovementMedian+97.32
Aug 2, 2022 20:20Global RecordMedian+76.16
Aug 2, 2022 20:20Score ImprovementMedian+76.16
Aug 2, 2022 19:26Score ImprovementUnique strings v2+324.21
Aug 2, 2022 16:51Global RecordMedian+68.03
Aug 2, 2022 16:51Score ImprovementMedian+441.31
Aug 2, 2022 16:50Score ImprovementMedian+1'101.52
Aug 2, 2022 08:31Score ImprovementTopK+0.19
Aug 2, 2022 08:28Score ImprovementTopK+0.46
Aug 2, 2022 08:22Score ImprovementTopK+2.11
Aug 2, 2022 08:18Score ImprovementTopK+0.01
Aug 2, 2022 08:18Score ImprovementTopK+8.88
Aug 2, 2022 08:16Score ImprovementTopK+1.81
Aug 2, 2022 08:15Score ImprovementTopK+13.63
Aug 2, 2022 06:20Score ImprovementTopK+5.04
Aug 2, 2022 05:04Score ImprovementTopK+127.33
Aug 2, 2022 00:00Daily Login Bonus+1.00
Aug 1, 2022 00:00Daily Login Bonus+1.00
Jul 31, 2022 15:52Score ImprovementSum of prime numbers+0.48
Jul 31, 2022 15:10Score ImprovementSum of prime numbers+9.75
Jul 31, 2022 15:10Score ImprovementSum of prime numbers+2.03
Jul 31, 2022 15:02Score ImprovementSum of prime numbers+0.01
Jul 31, 2022 15:01Score ImprovementSum of prime numbers+0.01
Jul 31, 2022 14:53Score ImprovementSum of prime numbers+4.82
Jul 31, 2022 13:59Score ImprovementSum of prime numbers+30.33
Jul 31, 2022 13:56Score ImprovementSum of prime numbers+63.46
Jul 31, 2022 13:49Score ImprovementSum of prime numbers+0.26
Jul 31, 2022 13:44Score ImprovementSum of prime numbers+0.61
Jul 31, 2022 13:33Score ImprovementSum of prime numbers+24.90
Jul 31, 2022 12:12Score ImprovementSum of prime numbers+0.79
Jul 31, 2022 12:10Score ImprovementSum of prime numbers+5.17
Jul 31, 2022 12:09Score ImprovementSum of prime numbers+7.12
Jul 31, 2022 07:56Score ImprovementSum of prime numbers+1.27
Jul 31, 2022 07:52Score ImprovementSum of prime numbers+1.69
Jul 31, 2022 03:34Score ImprovementParse integers+2.56
Jul 31, 2022 00:00Daily Login Bonus+1.00
Jul 30, 2022 14:27Score ImprovementSum of prime numbers+34.88
Jul 30, 2022 12:32Score ImprovementSum of prime numbers+0.05
Jul 30, 2022 12:28Score ImprovementSum of prime numbers+0.08
Jul 30, 2022 12:25Score ImprovementSum of prime numbers+84.64
Jul 30, 2022 11:17Score ImprovementFormat integers+3.32
Jul 30, 2022 11:05Score ImprovementFormat integers+0.78
Jul 30, 2022 11:03Score ImprovementFormat integers+3.63
Jul 30, 2022 09:15Score ImprovementSum of prime numbers+0.04
Jul 30, 2022 09:14Score ImprovementSum of prime numbers+0.02
Jul 30, 2022 09:00Score ImprovementSum of prime numbers+0.04
Jul 30, 2022 06:11Global RecordUnique strings+10.67
Jul 30, 2022 06:11Score ImprovementUnique strings+10.67
Jul 30, 2022 00:00Daily Login Bonus+1.00
Jul 29, 2022 16:31Global RecordUnique strings+5.62
Jul 29, 2022 16:31Score ImprovementUnique strings+5.62
Jul 29, 2022 16:25Global RecordUnique strings+1.22
Jul 29, 2022 16:25Score ImprovementUnique strings+1.22
Jul 29, 2022 14:32Score ImprovementSum of prime numbers+0.55
Jul 29, 2022 14:28Score ImprovementSum of prime numbers+5.24
Jul 29, 2022 06:30Global RecordUnique strings+0.87
Jul 29, 2022 06:30Score ImprovementUnique strings+0.87
Jul 29, 2022 06:20Score ImprovementUnique strings v2+1'057.97
Jul 29, 2022 06:07Global RecordUnique strings+152.12
Jul 29, 2022 06:07Score ImprovementUnique strings+152.12
Jul 29, 2022 06:06Global RecordUnique strings+187.58
Jul 29, 2022 06:06Score ImprovementUnique strings+187.58
Jul 29, 2022 06:04Global RecordUnique strings+85.36
Jul 29, 2022 06:04Score ImprovementUnique strings+96.21
Jul 29, 2022 05:58Score ImprovementUnique strings+35.16
Jul 29, 2022 05:57Score ImprovementUnique strings+0.50
Jul 29, 2022 05:47Score ImprovementUnique strings+1.51
Jul 29, 2022 05:36Score ImprovementUnique strings+8.67
Jul 29, 2022 05:35Score ImprovementUnique strings+44.75
Jul 29, 2022 05:34Score ImprovementUnique strings+0.88
Jul 29, 2022 05:30Score ImprovementUnique strings+14.09
Jul 29, 2022 05:25Score ImprovementUnique strings+2.24
Jul 29, 2022 05:25Score ImprovementUnique strings+2.47
Jul 29, 2022 05:22Score ImprovementUnique strings+135.93
Jul 29, 2022 05:18Score ImprovementUnique strings+8.52
Jul 29, 2022 04:53Score ImprovementUnique strings+606.96
Jul 29, 2022 00:00Daily Login Bonus+1.00
Jul 27, 2022 00:00Daily Login Bonus+1.00
Jul 25, 2022 00:00Login Streak Bonus+3.00
Jul 25, 2022 00:00Daily Login Bonus+1.00
Jul 24, 2022 11:54Score ImprovementCount uint8+1.52
Jul 24, 2022 11:34Score ImprovementCount uint8+1.52
Jul 24, 2022 11:34Score ImprovementCount uint8+16.54
Jul 24, 2022 11:03Score ImprovementCount uint8+1.99
Jul 24, 2022 11:02Score ImprovementCount uint8+0.99
Jul 24, 2022 11:00Score ImprovementCount uint8+4.46
Jul 24, 2022 10:43Score ImprovementCount uint8+35.03
Jul 24, 2022 10:39Score ImprovementCount uint8+9.53
Jul 24, 2022 00:00Daily Login Bonus+1.00
Jul 23, 2022 09:18Score ImprovementFormat integers+1.44
Jul 23, 2022 00:00Daily Login Bonus+1.00
Jul 22, 2022 23:23Score ImprovementCount uint8+28.57
Jul 22, 2022 23:21Score ImprovementCount uint8+28.73
Jul 22, 2022 23:07Score ImprovementCount uint8+3.59
Jul 22, 2022 22:36Score ImprovementCount uint8+5.37
Jul 22, 2022 22:19Score ImprovementCount uint8+21.20
Jul 22, 2022 22:14Score ImprovementCount uint8+0.87
Jul 22, 2022 22:11Score ImprovementCount uint8+2.62
Jul 22, 2022 22:10Score ImprovementCount uint8+2.61
Jul 22, 2022 22:09Score ImprovementCount uint8+6.50
Jul 22, 2022 19:36Score ImprovementCount uint8+16.71
Jul 22, 2022 19:32Score ImprovementCount uint8+173.28
Jul 22, 2022 18:29Score ImprovementFormat integers+0.77
Jul 22, 2022 03:13Score ImprovementFormat integers+0.07
Jul 22, 2022 03:12Score ImprovementFormat integers+11.32
Jul 22, 2022 00:44Score ImprovementFormat integers+0.31
Jul 22, 2022 00:39Score ImprovementFormat integers+0.72
Jul 22, 2022 00:00Daily Login Bonus+1.00
Jul 21, 2022 23:58Score ImprovementFormat integers+2.71
Jul 21, 2022 23:12Score ImprovementFormat integers+3.63
Jul 21, 2022 23:09Score ImprovementFormat integers+0.93
Jul 21, 2022 22:56Score ImprovementFormat integers+0.04
Jul 21, 2022 18:55Score ImprovementFormat integers+0.81
Jul 21, 2022 18:00Score ImprovementFormat integers+10.27
Jul 21, 2022 17:17Score ImprovementFormat integers+0.54
Jul 21, 2022 17:15Score ImprovementFormat integers+0.80
Jul 21, 2022 17:06Score ImprovementOrder book+4.59
Jul 21, 2022 17:02Score ImprovementTopK+0.46
Jul 21, 2022 17:02Score ImprovementSum of prime numbers+1.46
Jul 21, 2022 17:00Score ImprovementUnique strings v2+20.55
Jul 21, 2022 16:58Score ImprovementParse JSON+19.26
Jul 21, 2022 14:29Score ImprovementMedian+10.21
Jul 21, 2022 07:58Score ImprovementFormat integers+0.04
Jul 21, 2022 06:03Score ImprovementFormat integers+0.35
Jul 21, 2022 05:06Score ImprovementFormat integers+0.01
Jul 21, 2022 04:56Score ImprovementFormat integers+0.04
Jul 21, 2022 00:00Daily Login Bonus+1.00
Jul 20, 2022 17:07Score ImprovementFormat integers+1.96
Jul 20, 2022 16:27Global RecordParse integers+0.75
Jul 20, 2022 16:27Score ImprovementParse integers+0.75
Jul 20, 2022 16:24Global RecordParse integers+5.83
Jul 20, 2022 16:24Score ImprovementParse integers+5.83
Jul 20, 2022 15:47Score ImprovementFormat integers+3.09
Jul 20, 2022 15:45Score ImprovementFormat integers+13.28
Jul 20, 2022 15:41Score ImprovementFormat integers+1.26
Jul 20, 2022 13:05Score ImprovementFormat integers+4.46
Jul 20, 2022 11:54Score ImprovementFormat integers+0.07
Jul 20, 2022 11:42Score ImprovementFormat integers+6.77
Jul 20, 2022 08:44Score ImprovementFormat integers+2.54
Jul 20, 2022 06:02Score ImprovementFormat integers+34.97
Jul 20, 2022 00:39Score ImprovementFormat integers+0.01
Jul 20, 2022 00:38Score ImprovementFormat integers+51.99
Jul 20, 2022 00:00Daily Login Bonus+1.00
Jul 19, 2022 00:00Daily Login Bonus+1.00
Jul 16, 2022 00:00Daily Login Bonus+1.00
Jul 15, 2022 07:29Score ImprovementCount uint8+12.05
Jul 15, 2022 07:28Score ImprovementCount uint8+16.75
Jul 15, 2022 07:01Score ImprovementCount uint8+3.80
Jul 15, 2022 06:56Score ImprovementCount uint8+1'855.98
Jul 15, 2022 01:17Score ImprovementFormat integers+1.65
Jul 15, 2022 00:44Global RecordParse integers+0.45
Jul 15, 2022 00:44Score ImprovementParse integers+0.45
Jul 15, 2022 00:41Global RecordParse integers+0.30
Jul 15, 2022 00:41Score ImprovementParse integers+0.30
Jul 15, 2022 00:38Global RecordParse integers+0.74
Jul 15, 2022 00:38Score ImprovementParse integers+0.74
Jul 15, 2022 00:00Daily Login Bonus+1.00
Jul 14, 2022 23:08Score ImprovementUnique strings+22.88
Jul 14, 2022 22:44Global RecordParse integers+9.72
Jul 14, 2022 22:44Score ImprovementParse integers+9.72
Jul 14, 2022 22:35Global RecordParse integers+1.02
Jul 14, 2022 22:35Score ImprovementParse integers+1.02
Jul 14, 2022 22:33Global RecordParse integers+325.43
Jul 14, 2022 22:33Score ImprovementParse integers+886.37
Jul 14, 2022 22:30Score ImprovementParse integers+110.17
Jul 14, 2022 18:35Score ImprovementParse integers+211.19
Jul 14, 2022 00:00Daily Login Bonus+1.00
Jul 13, 2022 21:39Score ImprovementSort UUIDs+226.49
Jul 13, 2022 00:00Daily Login Bonus+1.00