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Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

Message: Creation of dynamic property CI_Router::$uri is deprecated

Filename: core/Router.php

Line Number: 127

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File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

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Filename: core/Controller.php

Line Number: 82

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

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Filename: core/Controller.php

Line Number: 82

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

Message: Creation of dynamic property Front::$config is deprecated

Filename: core/Controller.php

Line Number: 82

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

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Filename: core/Controller.php

Line Number: 82

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Filename: core/Controller.php

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File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Filename: core/Controller.php

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File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

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File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

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Filename: core/Controller.php

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File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

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Filename: core/Controller.php

Line Number: 82

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File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

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Filename: core/Controller.php

Line Number: 82

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File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

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Filename: core/Controller.php

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File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

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Filename: core/Loader.php

Line Number: 396

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

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Filename: drivers/Session_files_driver.php

Line Number: 132

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

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Filename: drivers/Session_files_driver.php

Line Number: 294

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

Message: Return type of CI_Session_files_driver::read($session_id) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 168

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

Message: Return type of CI_Session_files_driver::write($session_id, $session_data) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 237

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

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Filename: drivers/Session_files_driver.php

Line Number: 317

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

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Filename: drivers/Session_files_driver.php

Line Number: 358

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Filename: Session/Session.php

Line Number: 282

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Filename: Session/Session.php

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Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Filename: Session/Session.php

Line Number: 304

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 314

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 315

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 316

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 317

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 375

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: Warning

Message: session_set_save_handler(): Session save handler cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 110

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: Warning

Message: session_start(): Session cannot be started after headers have already been sent

Filename: Session/Session.php

Line Number: 143

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

Message: Creation of dynamic property Front::$session is deprecated

Filename: core/Loader.php

Line Number: 1283

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 7
Function: __construct

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Front::$front_model is deprecated

Filename: core/Loader.php

Line Number: 358

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 8
Function: model

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$load is deprecated

Filename: core/Loader.php

Line Number: 931

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 205
Function: view

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$benchmark is deprecated

Filename: core/Loader.php

Line Number: 931

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 205
Function: view

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$hooks is deprecated

Filename: core/Loader.php

Line Number: 931

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 205
Function: view

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$config is deprecated

Filename: core/Loader.php

Line Number: 931

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 205
Function: view

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_Loader::$log is deprecated

Filename: core/Loader.php

Line Number: 931

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 205
Function: view

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

Message: Creation of dynamic property CI_Loader::$utf8 is deprecated

Filename: core/Loader.php

Line Number: 931

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 205
Function: view

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

Message: Creation of dynamic property CI_Loader::$uri is deprecated

Filename: core/Loader.php

Line Number: 931

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 205
Function: view

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

Message: Creation of dynamic property CI_Loader::$exceptions is deprecated

Filename: core/Loader.php

Line Number: 931

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 205
Function: view

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

Message: Creation of dynamic property CI_Loader::$router is deprecated

Filename: core/Loader.php

Line Number: 931

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 205
Function: view

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

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Filename: core/Loader.php

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File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 205
Function: view

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

Message: Creation of dynamic property CI_Loader::$security is deprecated

Filename: core/Loader.php

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Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 205
Function: view

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

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File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 205
Function: view

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

Message: Creation of dynamic property CI_Loader::$lang is deprecated

Filename: core/Loader.php

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File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 205
Function: view

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

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File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 205
Function: view

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

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File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 205
Function: view

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

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Severity: 8192

Message: Creation of dynamic property CI_Loader::$front_model is deprecated

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Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 205
Function: view

File: /home2/melho817/public_html/speedcubeanalytics.com/index.php
Line: 315
Function: require_once

Jaehyun Jeong (정재현) 4x4x4 Cube Results, PB Progression & Rankings | SpeedCubeAnalytics
Recent Competitions
Rankings

Jaehyun Jeong (정재현)

4x4x4 Cube

WCA ID: 2016JEON02
Country: Korea Korea
Active since: 2016

28.88s

Best Single

31.88s

Best Average

10

Competitions

6

Best Position

49

Official Solves

11

Rounds

#1,823

Single WR

#639

Single CR
Korea

#48

Single NR

#1,232

Average WR

#431

Average CR
Korea

#41

Average NR

0

Podiums

15/11/2025

Last Result

Event Progression

Event PB Progression

Position Progression

Result Distribution

Competition Results Table

Competition Date Round Single Average Position
Uhseo Osong 2025 15/11/2025 First round 35.21s 41.53s #27
Melbourne Summer 2024 19/01/2024 First round 34.60s 41.83s #38
Korean Championship 2023 15/12/2023 First round 41.90s 46.68s #30
Rubik's WCA World Championship 2023 12/08/2023 First round 28.88s 31.88s #90
Daegu Hot Spring 2023 15/04/2023 Final 34.13s 41.11s #8
KAIST Fall 2022 20/11/2022 First round 41.56s 45.82s #28
Korean Championship 2022 12/08/2022 First round 1:04.22 — #89
Seoul Summer 2022 23/07/2022 Final 46.17s 50.82s #33
Korean Spring 2022 29/05/2022 Final 48.20s 51.58s #20
Korean Championship 2016 12/08/2016 First round 1:00.97 1:04.52 #38

Round Breakdown

Competition Date Round Single Average Position
Uhseo Osong 2025 15/11/2025 First round 35.21s 41.53s #27
Melbourne Summer 2024 19/01/2024 First round 34.60s 41.83s #38
Korean Championship 2023 15/12/2023 First round 41.90s 46.68s #30
Rubik's WCA World Championship 2023 12/08/2023 First round 28.88s 31.88s #90
Daegu Hot Spring 2023 15/04/2023 First round 33.71s 37.68s #6
Daegu Hot Spring 2023 15/04/2023 Final 34.13s 41.11s #8
KAIST Fall 2022 20/11/2022 First round 41.56s 45.82s #28
Korean Championship 2022 12/08/2022 First round 1:04.22 — #89
Seoul Summer 2022 23/07/2022 Final 46.17s 50.82s #33
Korean Spring 2022 29/05/2022 Final 48.20s 51.58s #20
Korean Championship 2016 12/08/2016 First round 1:00.97 1:04.52 #38
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