JetBrains / kotlin-playground Contributors

Zoomable circles (number of contributors per file): 30 days | 90 days | 6 months | past year | all time

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Contributors

Recent Contributors (3)

Committed in past 6 months (a rookie = the first commit in past year)

No contributors in past 30 days.

Past 31 to 90 days (2):

nikpachoo@gmail.com

nikolay.pachkov@jetbrains.com

Past 91 to 180 days (1):

dmitrii.krasnov@jetbrains.com

Historical Contributors (22)

Last contributors more than 6 months ago

prendota@mail.ru

kb.chernenko@gmail.com

qtuzov@gmail.com

polinb2413@gmail.com

pauleveritt@me.com

ilya.goncharov@jetbrains.com

ronnie57x@gmail.com

semyon.atamas@jetbrains.com

mail@hadihariri.com

se.atamas@gmail.com

d9onis@gmail.com

f.gutmann@redsource.at

55230817+zhelenskiy@users.noreply.github.com

christian.draeger1@gmail.com

juanvalencia@calvellido.es

filipp.riabchun@jetbrains.com

anton.borsch@gmail.com

f.gutmann@chronimo.com

bravit111@gmail.com

cjbrooks12@gmail.com

stas.kurilov@jetbrains.com

azertypow@gmail.com

Contributors Matrix (Per Month)

	Commits (3m)	Commit Days	-	-	2	1	-	-	-	-	-	1	2	-	1	1	3	2	-	-	-	-	4	1	1	-	2
Nikolai Pachkov <nikpachoo@gmail.com>	1	17	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-			-	-	-
nikpachoo <nikolay.pachkov@jetbrains.com>	1	4	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-
Dmitrii Krasnov <dmitrii.krasnov@jetbrains.com>	-	1	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Konstantin Chernenko <kb.chernenko@gmail.com>	-	52	-	-	-	-	-	-	-	-	-			-	-	-			-	-	-	-		-		-
Ilya Goncharov <ilya.goncharov@jetbrains.com>	-	20	-	-	-	-	-	-	-	-	-	-		-					-	-	-	-		-	-	-
Yuri Teplyakov <ronnie57x@gmail.com>	-	13	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-	-	-	-	-	-	-	-	-
Evgeniy Zhelenskiy <55230817+zhelenskiy@users.noreply.github.com>	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Christian Dräger <christian.draeger1@gmail.com>	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Prendota <prendota@mail.ru>	-	148	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
polinb <polinb2413@gmail.com>	-	19	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Vitaly Bragilevsky <bravit111@gmail.com>	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Juan Valencia <juanvalencia@calvellido.es>	-	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Casey Brooks <cjbrooks12@gmail.com>	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Filipp Riabchun <filipp.riabchun@jetbrains.com>	-	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Anton Borsch <anton.borsch@gmail.com>	-	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Florian Gutmann <f.gutmann@redsource.at>	-	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Stas Kurilov <stas.kurilov@jetbrains.com>	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Florian Gutmann <f.gutmann@chronimo.com>	-	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Stas Kurilov <qtuzov@gmail.com>	-	28	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
azertypow <azertypow@gmail.com>	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Semyon <se.atamas@gmail.com>	-	3	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
satamas <semyon.atamas@jetbrains.com>	-	6	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Hadi Hariri <mail@hadihariri.com>	-	5	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Paul Everitt <pauleveritt@me.com>	-	3	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Denis.Chernov <d9onis@gmail.com>	-	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Bots Matrix (Per Month)

Commits
(3m)

Commit
Days

-

No commits in past 30 days.

2 contributors (2 commits):

#	Contributor	First Commit	Latest Commit	Commits Count	File Updates (per extension)
1.	Nikolai Pachkov <nikpachoo@gmail.com>	2021-05-17	2025-11-25	1 (50%)	js (1), json (1)
2.	nikpachoo <nikolay.pachkov@jetbrains.com>	2023-05-31	2025-11-25	1 (50%)	js (1), json (1)

Contributor Dependencies

A contributor dependency is detected if two contributors have changed the same files in the past 90 days.

Contributor Dependencies via Shared Files

- show contributor dependencies 2D graph
- open 2D force graph
- open 3D force graph
- open 2D force graph (including all files)
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- open 3D force graph (including all files)
- open 3D force graph (including only shared files)

	Contributor 1	Contributor 2	# shared files
1.	Nikolai Pachkov <nikpachoo@gmail.com>	nikpachoo <nikolay.pachkov@jetbrains.com>	2 shared files

Most Connected Contributors

	Contributor	# connections	# commits
1.	Nikolai Pachkov <nikpachoo@gmail.com>	1	1
2.	nikpachoo <nikolay.pachkov@jetbrains.com>	1	1

C-median: 1.0

A half of the contributors has more than 1.0 connections, and a half has less than this number.

C-mean: 1.0

An average number of connections a contributor has with other contributors.

C-index: 1.0

There are 1.0 contributors with 1.0 or more connections.

3 contributors (3 commits):

#	Contributor	First Commit	Latest Commit	Commits Count
1.	Nikolai Pachkov <nikpachoo@gmail.com>	2021-05-17	2025-11-25	1 (33%)
2.	nikpachoo <nikolay.pachkov@jetbrains.com>	2023-05-31	2025-11-25	1 (33%)
3.	Dmitrii Krasnov <dmitrii.krasnov@jetbrains.com>	2025-10-16	2025-10-16	1 (33%)

Contributor Dependencies

A contributor dependency is detected if two contributors have changed the same files in the past 180 days.

Contributor Dependencies via Shared Files

- show contributor dependencies 2D graph
- open 2D force graph
- open 3D force graph
- open 2D force graph (including all files)
- open 2D force graph (including only shared files)
- open 3D force graph (including all files)
- open 3D force graph (including only shared files)

	Contributor 1	Contributor 2	# shared files
1.	Nikolai Pachkov <nikpachoo@gmail.com>	nikpachoo <nikolay.pachkov@jetbrains.com>	2 shared files

Most Connected Contributors

	Contributor	# connections	# commits
1.	Nikolai Pachkov <nikpachoo@gmail.com>	1	1
2.	nikpachoo <nikolay.pachkov@jetbrains.com>	1	1
3.	Dmitrii Krasnov <dmitrii.krasnov@jetbrains.com>	0	1

C-median: 1.0

A half of the contributors has more than 1.0 connections, and a half has less than this number.

C-mean: 1.0

An average number of connections a contributor has with other contributors.

C-index: 1.0

There are 1.0 contributors with 1.0 or more connections.

5 contributors (14 commits):

#	Contributor	First Commit	Latest Commit	Commits Count
1.	Konstantin Chernenko <kb.chernenko@gmail.com>	2019-09-07	2025-04-22	5 (35%)
2.	Nikolai Pachkov <nikpachoo@gmail.com>	2021-05-17	2025-11-25	1 (7%)
3.	Ilya Goncharov <ilya.goncharov@jetbrains.com>	2021-03-30	2025-03-07	6 (42%)
4.	nikpachoo <nikolay.pachkov@jetbrains.com>	2023-05-31	2025-11-25	1 (7%)
5.	Dmitrii Krasnov <dmitrii.krasnov@jetbrains.com>	2025-10-16	2025-10-16	1 (7%)

Contributor Dependencies

A contributor dependency is detected if two contributors have changed the same files in the past 365 days.

Contributor Dependencies via Shared Files

- show contributor dependencies 2D graph
- open 2D force graph
- open 3D force graph
- open 2D force graph (including all files)
- open 2D force graph (including only shared files)
- open 3D force graph (including all files)
- open 3D force graph (including only shared files)

	Contributor 1	Contributor 2	# shared files
1.	Konstantin Chernenko <kb.chernenko@gmail.com>	Ilya Goncharov <ilya.goncharov@jetbrains.com>	5 shared files
2.	Ilya Goncharov <ilya.goncharov@jetbrains.com>	Nikolai Pachkov <nikpachoo@gmail.com>	2 shared files
3.	Ilya Goncharov <ilya.goncharov@jetbrains.com>	nikpachoo <nikolay.pachkov@jetbrains.com>	2 shared files
4.	Konstantin Chernenko <kb.chernenko@gmail.com>	Nikolai Pachkov <nikpachoo@gmail.com>	2 shared files
5.	Konstantin Chernenko <kb.chernenko@gmail.com>	nikpachoo <nikolay.pachkov@jetbrains.com>	2 shared files
6.	Nikolai Pachkov <nikpachoo@gmail.com>	nikpachoo <nikolay.pachkov@jetbrains.com>	2 shared files

Most Connected Contributors

	Contributor	# connections	# commits
1.	Ilya Goncharov <ilya.goncharov@jetbrains.com>	3	6
2.	Konstantin Chernenko <kb.chernenko@gmail.com>	3	5
3.	Nikolai Pachkov <nikpachoo@gmail.com>	3	1
4.	nikpachoo <nikolay.pachkov@jetbrains.com>	3	1
5.	Dmitrii Krasnov <dmitrii.krasnov@jetbrains.com>	0	1

C-median: 3.0

A half of the contributors has more than 3.0 connections, and a half has less than this number.

C-mean: 3.0

An average number of connections a contributor has with other contributors.

C-index: 3.0

There are 3.0 contributors with 3.0 or more connections.

Contributors' details...