A PHP Error was encountered

Severity: 8192

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

Filename: core/URI.php

Line Number: 101

Backtrace:

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_Router::$uri is deprecated

Filename: core/Router.php

Line Number: 127

Backtrace:

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::$benchmark 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

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Front::$hooks 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

A PHP Error was encountered

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

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Front::$log 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

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Front::$utf8 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

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Front::$uri 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

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Front::$exceptions 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

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Front::$router 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

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Front::$output 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

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Front::$security 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

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Front::$input 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

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property Front::$lang 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

A PHP Error was encountered

Severity: 8192

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

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

A PHP Error was encountered

Severity: 8192

Message: Creation of dynamic property CI_DB_mysqli_driver::$failover is deprecated

Filename: database/DB_driver.php

Line Number: 371

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: Return type of CI_Session_files_driver::open($save_path, $name) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

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

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

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

A PHP Error was encountered

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

A PHP Error was encountered

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

A PHP Error was encountered

Severity: 8192

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

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

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::gc($maxlifetime) should either be compatible with SessionHandlerInterface::gc(int $max_lifetime): int|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

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

A PHP Error was encountered

Severity: Warning

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

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

A PHP Error was encountered

Severity: Warning

Message: session_set_cookie_params(): Session cookie parameters cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 289

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: Warning

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

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

A PHP Error was encountered

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

A PHP Error was encountered

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

A PHP Error was encountered

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

A PHP Error was encountered

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

A PHP Error was encountered

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

A PHP Error was encountered

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

A PHP Error was encountered

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

A PHP Error was encountered

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: 259
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: 259
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: 259
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: 259
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: 259
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::$utf8 is deprecated

Filename: core/Loader.php

Line Number: 931

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 259
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::$uri is deprecated

Filename: core/Loader.php

Line Number: 931

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 259
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::$exceptions is deprecated

Filename: core/Loader.php

Line Number: 931

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 259
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::$router is deprecated

Filename: core/Loader.php

Line Number: 931

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 259
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::$output is deprecated

Filename: core/Loader.php

Line Number: 931

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 259
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::$security is deprecated

Filename: core/Loader.php

Line Number: 931

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 259
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::$input is deprecated

Filename: core/Loader.php

Line Number: 931

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 259
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::$lang is deprecated

Filename: core/Loader.php

Line Number: 931

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 259
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::$db is deprecated

Filename: core/Loader.php

Line Number: 931

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 259
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::$session is deprecated

Filename: core/Loader.php

Line Number: 931

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 259
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::$front_model is deprecated

Filename: core/Loader.php

Line Number: 931

Backtrace:

File: /home2/melho817/public_html/speedcubeanalytics.com/application/controllers/Front.php
Line: 259
Function: view

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

Zhen Chen (陈震) Xuzhou Open 2024 Results, PB Progression & Rankings | SpeedCubeAnalytics
Recent Competitions
Rankings

Zhen Chen (陈震)

Xuzhou Open 2024

WCA ID: 2023CHEN30
Country: China China
Active since: 2023

3

Events Entered

40

Official Solves

3

Best Position (3x3x3 One-Handed)

3x3x3 One-Handed

Best Event

13.67s

Best Result (3x3x3 One-Handed)

3

PBs Achieved

Competition Event Summary

Event Round Reached Single Average Position
3x3x3 Cube Final 5.53s 6.08s #4
2x2x2 Cube Final 1.51s 2.62s #9
3x3x3 One-Handed Final 10.41s 12.76s #4

Event Ranking Chart

Competition Round Breakdown

3x3x3 Cube
Round # Best Average Solves
Final #4 5.53s 6.08s 5.80s (5.53s) (6.63s) 6.14s 6.31s
Second round #7 5.58s 6.44s (7.28s) 5.63s 6.81s (5.58s) 6.87s
First round #4 5.72s 6.20s 6.89s 5.79s 5.92s (8.75s) (5.72s)
2x2x2 Cube
Round # Best Average Solves
Final #9 1.51s 2.62s 2.78s 2.93s 2.14s (1.51s) (3.85s)
Second round #8 1.74s 2.43s (1.74s) (2.98s) 2.83s 2.51s 1.96s
First round #17 2.82s 3.37s (2.82s) 3.35s 2.99s (5.91s) 3.77s
3x3x3 One-Handed
Round # Best Average Solves
Final #4 10.41s 12.76s (10.41s) 12.79s (13.52s) 12.18s 13.32s
First round #3 10.36s 13.67s 12.52s (10.36s) (16.41s) 14.76s 13.73s

PBs Achieved

Event Type Previous PB New PB Improvement
2x2x2 Cube Average 2.73s 2.43s -0.30s
2x2x2 Cube Single 1.87s 1.51s -0.36s
3x3x3 One-Handed Average 12.82s 12.76s -0.06s
Stay updated with new features and analytics tools! Subscribe to Newsletter
© 2026 SpeedCubeAnalytics | Official results and rankings provided by the World Cube Association (WCA) | Not affiliated with or endorsed by the WCA