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Progress

Rank:1 dan
Honor:70,670
Leaderboard Position:#37
Honor Percentile:Top 0.005%
Total Completed Kata:7,255

Languages:

Total Languages Trained:58
Highest Trained:Python (1 dan)
Most Recent:CoffeeScript

Up Votes:

Best Practice Solutions:175,936
Clever Solutions:74,689
Comments:458

Contributions

Community:

Comments:2,415 (326 replies)
Collections:2
Kumite:1,783 (1,780 Started)
Translations:1,169 (1,070 approved)
Contributed Kata:222

Authored Kata:

Created:9 (8 in beta)
Total Completions:59
Total Stars:13
Total Collected:1
Avg. Rank:6 kyu
Avg. Satisfaction Rating:100%

Top Tags:

Algorithms:6
Strings:5
Restricted:2
Matrix:1
Graph Theory:1
Logic:1

Streaks

Most in a Single Day:

Completed Kata:327
Date:Jul 20, 2024

Most in a Single Week:

Completed Kata:1094
Ended On:Apr 7, 2024

Most Consecutive Days:

Most Number of days:83
Ended On:Jun 22, 2024
Current Streak:9

Python

Rank:1 dan
First Completed:Mar 2021
Last Completed:Apr 2025
Completed Kata:5,428
Kata Attempts:19,322
Completed on 1st Attempt:2,215
Authored Translations:115 (77 approved)

Completed Kata By Rank:

8 Kyu:356
7 Kyu:1,829
6 Kyu:1,860
5 Kyu:593
4 Kyu:200
3 Kyu:44
2 Kyu:27
1 Kyu:13

Solution Votes:

Best Practice:66,741
Clever:25,349

JavaScript

Rank:1 dan
First Completed:Aug 2021
Last Completed:Apr 2025
Completed Kata:3,686
Kata Attempts:6,500
Completed on 1st Attempt:2,191
Authored Translations:62 (50 approved)

Completed Kata By Rank:

8 Kyu:384
7 Kyu:1,575
6 Kyu:1,016
5 Kyu:325
4 Kyu:142
3 Kyu:21
2 Kyu:17
1 Kyu:6

Solution Votes:

Best Practice:48,446
Clever:22,878

Ruby

Rank:1 kyu
First Completed:Jan 2022
Last Completed:Apr 2025
Completed Kata:2,335
Kata Attempts:3,061
Completed on 1st Attempt:1,469
Authored Translations:870 (843 approved)

Completed Kata By Rank:

8 Kyu:321
7 Kyu:980
6 Kyu:735
5 Kyu:189
4 Kyu:72
3 Kyu:9
2 Kyu:6
1 Kyu:1

Solution Votes:

Best Practice:9,660
Clever:3,735

CoffeeScript

Rank:1 kyu
First Completed:Jan 2022
Last Completed:Apr 2025
Completed Kata:1,344
Kata Attempts:1,725
Completed on 1st Attempt:916
Authored Translations:20 (14 approved)

Completed Kata By Rank:

8 Kyu:263
7 Kyu:553
6 Kyu:345
5 Kyu:129
4 Kyu:38
3 Kyu:7
2 Kyu:6
1 Kyu:3

Solution Votes:

Best Practice:226
Clever:60

Haskell

Rank:1 kyu
First Completed:Jan 2022
Last Completed:Apr 2025
Completed Kata:1,279
Kata Attempts:1,631
Completed on 1st Attempt:1,001

Completed Kata By Rank:

8 Kyu:192
7 Kyu:607
6 Kyu:341
5 Kyu:85
4 Kyu:36
3 Kyu:7
2 Kyu:5
1 Kyu:2

Solution Votes:

Best Practice:2,627
Clever:662

TypeScript

Rank:2 kyu
First Completed:Jan 2022
Last Completed:Apr 2025
Completed Kata:809
Kata Attempts:937
Completed on 1st Attempt:550
Authored Translations:2 (2 approved)

Completed Kata By Rank:

8 Kyu:181
7 Kyu:310
6 Kyu:214
5 Kyu:76
4 Kyu:19
3 Kyu:4
2 Kyu:3
1 Kyu:1

Solution Votes:

Best Practice:2,227
Clever:1,013

C#

Rank:2 kyu
First Completed:Aug 2021
Last Completed:Apr 2025
Completed Kata:1,042
Kata Attempts:1,272
Completed on 1st Attempt:708
Authored Translations:1 (1 approved)

Completed Kata By Rank:

8 Kyu:254
7 Kyu:490
6 Kyu:222
5 Kyu:44
4 Kyu:22
3 Kyu:5
2 Kyu:1

Solution Votes:

Best Practice:7,337
Clever:3,392

Java

Rank:2 kyu
First Completed:Jan 2022
Last Completed:Apr 2025
Completed Kata:819
Kata Attempts:1,010
Completed on 1st Attempt:533

Completed Kata By Rank:

8 Kyu:205
7 Kyu:361
6 Kyu:175
5 Kyu:40
4 Kyu:24
3 Kyu:5
2 Kyu:2

Solution Votes:

Best Practice:15,696
Clever:8,693

C

Rank:2 kyu
First Completed:Sep 2021
Last Completed:Apr 2025
Completed Kata:810
Kata Attempts:1,046
Completed on 1st Attempt:536

Completed Kata By Rank:

8 Kyu:197
7 Kyu:390
6 Kyu:167
5 Kyu:33
4 Kyu:14
3 Kyu:3
2 Kyu:3

Solution Votes:

Best Practice:1,820
Clever:1,170

Crystal

Rank:2 kyu
First Completed:Apr 2022
Last Completed:Mar 2025
Completed Kata:860
Kata Attempts:1,185
Completed on 1st Attempt:555
Authored Translations:11 (11 approved)

Completed Kata By Rank:

8 Kyu:152
7 Kyu:377
6 Kyu:258
5 Kyu:52
4 Kyu:18
3 Kyu:1

Solution Votes:

Best Practice:197
Clever:46

PHP

Rank:2 kyu
First Completed:Jan 2022
Last Completed:Mar 2025
Completed Kata:646
Kata Attempts:835
Completed on 1st Attempt:444

Completed Kata By Rank:

8 Kyu:163
7 Kyu:272
6 Kyu:153
5 Kyu:36
4 Kyu:18
3 Kyu:2
2 Kyu:2

Solution Votes:

Best Practice:4,939
Clever:2,020

C++

Rank:3 kyu
First Completed:Aug 2021
Last Completed:Apr 2025
Completed Kata:533
Kata Attempts:629
Completed on 1st Attempt:355

Completed Kata By Rank:

8 Kyu:142
7 Kyu:217
6 Kyu:125
5 Kyu:25
4 Kyu:15
3 Kyu:2
2 Kyu:3

Solution Votes:

Best Practice:4,823
Clever:2,048

Lua

Rank:3 kyu
First Completed:Apr 2022
Last Completed:Apr 2025
Completed Kata:456
Kata Attempts:636
Completed on 1st Attempt:326

Completed Kata By Rank:

8 Kyu:118
7 Kyu:144
6 Kyu:128
5 Kyu:47
4 Kyu:13
3 Kyu:2

Solution Votes:

Best Practice:501
Clever:110

Rust

Rank:3 kyu
First Completed:Feb 2022
Last Completed:Apr 2025
Completed Kata:319
Kata Attempts:367
Completed on 1st Attempt:248

Completed Kata By Rank:

8 Kyu:97
7 Kyu:115
6 Kyu:71
5 Kyu:22
4 Kyu:11
3 Kyu:2
2 Kyu:1

Solution Votes:

Best Practice:2,759
Clever:414

SQL

Rank:3 kyu
First Completed:Nov 2021
Last Completed:Oct 2024
Completed Kata:298
Kata Attempts:510
Completed on 1st Attempt:193

Completed Kata By Rank:

8 Kyu:52
7 Kyu:111
6 Kyu:89
5 Kyu:34
4 Kyu:8

Solution Votes:

Best Practice:3,311
Clever:392

BF

Rank:3 kyu
First Completed:Feb 2022
Last Completed:Apr 2025
Completed Kata:147
Kata Attempts:231
Completed on 1st Attempt:68
Authored Kata:9
Authored Translations:31 (26 approved)

Completed Kata By Rank:

8 Kyu:24
7 Kyu:33
6 Kyu:37
5 Kyu:17
4 Kyu:7
3 Kyu:2
2 Kyu:1

Solution Votes:

Best Practice:116
Clever:74

Prolog

Rank:3 kyu
First Completed:Apr 2022
Last Completed:Dec 2024
Completed Kata:264
Kata Attempts:367
Completed on 1st Attempt:222

Completed Kata By Rank:

8 Kyu:57
7 Kyu:116
6 Kyu:69
5 Kyu:15
4 Kyu:6
3 Kyu:1

Solution Votes:

Best Practice:42
Clever:30

λ Calculus

Rank:4 kyu
First Completed:Mar 2022
Last Completed:Feb 2025
Completed Kata:125
Kata Attempts:171
Completed on 1st Attempt:86

Completed Kata By Rank:

8 Kyu:7
7 Kyu:48
6 Kyu:43
5 Kyu:16
4 Kyu:10

Solution Votes:

Best Practice:1
Clever:1

Groovy

Rank:4 kyu
First Completed:Apr 2022
Last Completed:Mar 2025
Completed Kata:172
Kata Attempts:210
Completed on 1st Attempt:125

Completed Kata By Rank:

8 Kyu:50
7 Kyu:57
6 Kyu:48
5 Kyu:12
4 Kyu:3
3 Kyu:2

Solution Votes:

Best Practice:26
Clever:6

Kotlin

Rank:4 kyu
First Completed:Jan 2022
Last Completed:Jan 2025
Completed Kata:60
Kata Attempts:67
Completed on 1st Attempt:46

Completed Kata By Rank:

8 Kyu:23
7 Kyu:15
6 Kyu:12
5 Kyu:6
4 Kyu:1
3 Kyu:2
2 Kyu:1

Solution Votes:

Best Practice:164
Clever:165

Shell

Rank:4 kyu
First Completed:Feb 2022
Last Completed:Oct 2024
Completed Kata:109
Kata Attempts:190
Completed on 1st Attempt:79

Completed Kata By Rank:

8 Kyu:30
7 Kyu:37
6 Kyu:22
5 Kyu:10
4 Kyu:7

Solution Votes:

Best Practice:318
Clever:91

Go

Rank:4 kyu
First Completed:Jan 2022
Last Completed:Mar 2025
Completed Kata:77
Kata Attempts:84
Completed on 1st Attempt:61

Completed Kata By Rank:

8 Kyu:28
7 Kyu:27
6 Kyu:12
5 Kyu:7
4 Kyu:2
2 Kyu:1

Solution Votes:

Best Practice:1,927
Clever:1,236

Julia

Rank:4 kyu
First Completed:Jan 2022
Last Completed:Mar 2025
Completed Kata:141
Kata Attempts:157
Completed on 1st Attempt:106

Completed Kata By Rank:

8 Kyu:58
7 Kyu:54
6 Kyu:19
5 Kyu:6
4 Kyu:3
3 Kyu:1

Solution Votes:

Best Practice:75
Clever:29

Scala

Rank:4 kyu
First Completed:Apr 2022
Last Completed:Apr 2025
Completed Kata:139
Kata Attempts:147
Completed on 1st Attempt:123

Completed Kata By Rank:

8 Kyu:82
7 Kyu:37
6 Kyu:13
5 Kyu:4
4 Kyu:1
3 Kyu:2

Solution Votes:

Best Practice:239
Clever:173

Objective-C

Rank:4 kyu
First Completed:Apr 2022
Last Completed:Jan 2025
Completed Kata:39
Kata Attempts:44
Completed on 1st Attempt:28

Completed Kata By Rank:

8 Kyu:13
7 Kyu:11
6 Kyu:8
5 Kyu:4
4 Kyu:2
2 Kyu:1

Solution Votes:

Best Practice:20
Clever:1

Haxe

Rank:4 kyu
First Completed:Apr 2022
Last Completed:Aug 2024
Completed Kata:63
Kata Attempts:75
Completed on 1st Attempt:42

Completed Kata By Rank:

8 Kyu:7
7 Kyu:18
6 Kyu:23
5 Kyu:11
4 Kyu:4

Solution Votes:

Best Practice:9
Clever:3

Clojure

Rank:5 kyu
First Completed:Apr 2022
Last Completed:Apr 2025
Completed Kata:77
Kata Attempts:103
Completed on 1st Attempt:55

Completed Kata By Rank:

8 Kyu:29
7 Kyu:28
6 Kyu:13
5 Kyu:3
4 Kyu:3
3 Kyu:1

Solution Votes:

Best Practice:112
Clever:39

R

Rank:5 kyu
First Completed:Apr 2022
Last Completed:Jan 2025
Completed Kata:104
Kata Attempts:123
Completed on 1st Attempt:75

Completed Kata By Rank:

8 Kyu:48
7 Kyu:35
6 Kyu:15
5 Kyu:4
4 Kyu:1
3 Kyu:1

Solution Votes:

Best Practice:173
Clever:71

Idris

Rank:5 kyu
First Completed:Apr 2022
Last Completed:Jun 2024
Completed Kata:7
Kata Attempts:8
Completed on 1st Attempt:4

Completed Kata By Rank:

8 Kyu:1
7 Kyu:3
6 Kyu:1
3 Kyu:1
2 Kyu:1

Solution Votes:

Best Practice:2
Clever:0

Dart

Rank:5 kyu
First Completed:Apr 2022
Last Completed:Apr 2025
Completed Kata:79
Kata Attempts:83
Completed on 1st Attempt:62

Completed Kata By Rank:

8 Kyu:33
7 Kyu:34
6 Kyu:9
5 Kyu:1
3 Kyu:2

Solution Votes:

Best Practice:121
Clever:34

PureScript

Rank:5 kyu
First Completed:Apr 2022
Last Completed:Nov 2024
Completed Kata:40
Kata Attempts:48
Completed on 1st Attempt:33

Completed Kata By Rank:

8 Kyu:16
7 Kyu:9
6 Kyu:7
5 Kyu:3
4 Kyu:4
3 Kyu:1

Solution Votes:

Best Practice:16
Clever:4

Swift

Rank:5 kyu
First Completed:Apr 2022
Last Completed:Jan 2025
Completed Kata:72
Kata Attempts:81
Completed on 1st Attempt:49

Completed Kata By Rank:

8 Kyu:27
7 Kyu:24
6 Kyu:15
5 Kyu:5
3 Kyu:1

Solution Votes:

Best Practice:841
Clever:653

OCaml

Rank:5 kyu
First Completed:Apr 2022
Last Completed:Jan 2025
Completed Kata:20
Kata Attempts:23
Completed on 1st Attempt:16

Completed Kata By Rank:

8 Kyu:10
7 Kyu:6
6 Kyu:2
5 Kyu:1
2 Kyu:1

Solution Votes:

Best Practice:21
Clever:3

D

Rank:5 kyu
First Completed:Apr 2022
Last Completed:Apr 2025
Completed Kata:59
Kata Attempts:62
Completed on 1st Attempt:39

Completed Kata By Rank:

8 Kyu:16
7 Kyu:19
6 Kyu:20
5 Kyu:3
3 Kyu:1

Solution Votes:

Best Practice:5
Clever:4

F#

Rank:5 kyu
First Completed:Apr 2022
Last Completed:Dec 2024
Completed Kata:19
Kata Attempts:22
Completed on 1st Attempt:14

Completed Kata By Rank:

8 Kyu:9
7 Kyu:9
2 Kyu:1

Solution Votes:

Best Practice:49
Clever:13

Factor

Rank:5 kyu
First Completed:Jan 2022
Last Completed:Jun 2024
Completed Kata:13
Kata Attempts:13
Completed on 1st Attempt:12

Completed Kata By Rank:

8 Kyu:8
7 Kyu:4
2 Kyu:1

Solution Votes:

Best Practice:7
Clever:1

CommonLisp

Rank:5 kyu
First Completed:Apr 2022
Last Completed:Jan 2025
Completed Kata:21
Kata Attempts:22
Completed on 1st Attempt:19

Completed Kata By Rank:

8 Kyu:8
7 Kyu:8
6 Kyu:2
5 Kyu:1
4 Kyu:1
3 Kyu:1

Solution Votes:

Best Practice:31
Clever:5

Racket

Rank:5 kyu
First Completed:Apr 2022
Last Completed:Jan 2025
Completed Kata:53
Kata Attempts:56
Completed on 1st Attempt:45

Completed Kata By Rank:

8 Kyu:31
7 Kyu:13
6 Kyu:6
5 Kyu:1
4 Kyu:2

Solution Votes:

Best Practice:50
Clever:11

COBOL

Rank:6 kyu
First Completed:Apr 2022
Last Completed:Mar 2025
Completed Kata:49
Kata Attempts:55
Completed on 1st Attempt:42

Completed Kata By Rank:

8 Kyu:21
7 Kyu:15
6 Kyu:11
5 Kyu:2

Solution Votes:

Best Practice:5
Clever:0

Elixir

Rank:6 kyu
First Completed:Jan 2022
Last Completed:Apr 2025
Completed Kata:45
Kata Attempts:49
Completed on 1st Attempt:33

Completed Kata By Rank:

8 Kyu:29
7 Kyu:11
6 Kyu:4
4 Kyu:1

Solution Votes:

Best Practice:55
Clever:3

CFML

Rank:6 kyu
First Completed:Apr 2022
Last Completed:Nov 2024
Completed Kata:35
Kata Attempts:37
Completed on 1st Attempt:27

Completed Kata By Rank:

8 Kyu:21
7 Kyu:11
6 Kyu:2
5 Kyu:1

Solution Votes:

Best Practice:19
Clever:5

PowerShell

Rank:6 kyu
First Completed:Jan 2022
Last Completed:May 2024
Completed Kata:8
Kata Attempts:10
Completed on 1st Attempt:6

Completed Kata By Rank:

8 Kyu:3
7 Kyu:3
6 Kyu:1
4 Kyu:1

Solution Votes:

Best Practice:15
Clever:0

Elm

Rank:7 kyu
First Completed:Apr 2022
Last Completed:Aug 2024
Completed Kata:19
Kata Attempts:21
Completed on 1st Attempt:15

Completed Kata By Rank:

8 Kyu:10
7 Kyu:5
6 Kyu:4

Solution Votes:

Best Practice:11
Clever:4

Nim

Rank:7 kyu
First Completed:Apr 2022
Last Completed:Mar 2025
Completed Kata:16
Kata Attempts:22
Completed on 1st Attempt:11

Completed Kata By Rank:

8 Kyu:10
7 Kyu:4
6 Kyu:2

Solution Votes:

Best Practice:15
Clever:3

Reason

Rank:7 kyu
First Completed:Apr 2022
Last Completed:Jul 2024
Completed Kata:14
Kata Attempts:15
Completed on 1st Attempt:12

Completed Kata By Rank:

8 Kyu:10
7 Kyu:4

Solution Votes:

Best Practice:15
Clever:1

Erlang

Rank:7 kyu
First Completed:Apr 2022
Last Completed:Oct 2024
Completed Kata:11
Kata Attempts:12
Completed on 1st Attempt:8

Completed Kata By Rank:

8 Kyu:8
7 Kyu:2
6 Kyu:1

Solution Votes:

Best Practice:15
Clever:3

Pascal

Rank:7 kyu
First Completed:Apr 2022
Last Completed:May 2024
Completed Kata:7
Kata Attempts:8
Completed on 1st Attempt:6

Completed Kata By Rank:

8 Kyu:3
7 Kyu:2
6 Kyu:2

Solution Votes:

Best Practice:8
Clever:4

Solidity

Rank:7 kyu
First Completed:Apr 2022
Last Completed:Jun 2024
Completed Kata:12
Kata Attempts:12
Completed on 1st Attempt:11

Completed Kata By Rank:

8 Kyu:9
7 Kyu:3

Solution Votes:

Best Practice:15
Clever:6

Fortran

Rank:7 kyu
First Completed:Apr 2022
Last Completed:May 2024
Completed Kata:8
Kata Attempts:8
Completed on 1st Attempt:8

Completed Kata By Rank:

8 Kyu:5
7 Kyu:2
6 Kyu:1

Solution Votes:

Best Practice:3
Clever:2

Raku

Rank:7 kyu
First Completed:Apr 2022
Last Completed:May 2024
Completed Kata:7
Kata Attempts:8
Completed on 1st Attempt:6

Completed Kata By Rank:

8 Kyu:3
7 Kyu:3
6 Kyu:1

Solution Votes:

Best Practice:4
Clever:0

Coq

Rank:7 kyu
First Completed:Apr 2022
Last Completed:Nov 2024
Completed Kata:7
Kata Attempts:7
Completed on 1st Attempt:5

Completed Kata By Rank:

8 Kyu:4
7 Kyu:2
6 Kyu:1

Solution Votes:

Best Practice:1
Clever:0

Perl

Rank:7 kyu
First Completed:Apr 2022
Last Completed:Nov 2024
Completed Kata:7
Kata Attempts:9
Completed on 1st Attempt:5

Completed Kata By Rank:

8 Kyu:5
7 Kyu:1
6 Kyu:1

Solution Votes:

Best Practice:2
Clever:0

VB

Rank:8 kyu
First Completed:Apr 2022
Last Completed:May 2024
Completed Kata:8
Kata Attempts:8
Completed on 1st Attempt:8

Completed Kata By Rank:

8 Kyu:5
7 Kyu:3

Solution Votes:

Best Practice:28
Clever:16

Lean

Rank:8 kyu
First Completed:Apr 2022
Last Completed:Oct 2023
Completed Kata:8
Kata Attempts:9
Completed on 1st Attempt:4

Completed Kata By Rank:

8 Kyu:6
7 Kyu:2

Solution Votes:

Best Practice:3
Clever:0

Forth

Rank:8 kyu
First Completed:Apr 2022
Last Completed:Jun 2024
Completed Kata:7
Kata Attempts:8
Completed on 1st Attempt:6

Completed Kata By Rank:

8 Kyu:5
7 Kyu:2

Solution Votes:

Best Practice:24
Clever:7

Agda

Rank:8 kyu
First Completed:Apr 2022
Last Completed:Nov 2024
Completed Kata:4
Kata Attempts:4
Completed on 1st Attempt:3

Completed Kata By Rank:

8 Kyu:2
7 Kyu:2

Solution Votes:

Best Practice:6
Clever:3

NASM

Rank:8 kyu
First Completed:Apr 2022
Last Completed:Dec 2024
Completed Kata:2
Kata Attempts:2
Completed on 1st Attempt:2

Completed Kata By Rank:

8 Kyu:1
7 Kyu:1

Solution Votes:

Best Practice:15
Clever:3

RISC-V

Rank:8 kyu
First Completed:Aug 2022
Last Completed:Sep 2022
Completed Kata:2
Kata Attempts:4
Completed on 1st Attempt:2

Completed Kata By Rank:

8 Kyu:2

Solution Votes:

Best Practice:2
Clever:0