I think renaming the existing "knights" package (old one) with "knightsgame" would be fine. It's home page also says this name.

On 1 November 2024 10:23:08 pm IST, Z572 <zhengjunjie@iscas.ac.cn> wrote:
>Sughosha via Guix-patches via <guix-patches@gnu.org> writes:
>
>> * gnu/packages/kde-games.scm (knights): New variable.
>>
>> Change-Id: I86346750c28fefd5b2a02cbda8dcc458907766fa
>> ---
>>  gnu/packages/kde-games.scm | 60 ++++++++++++++++++++++++++++++++++++++
>>  1 file changed, 60 insertions(+)
>>
>> diff --git a/gnu/packages/kde-games.scm b/gnu/packages/kde-games.scm
>> index 10c26e1d8e..75c6038189 100644
>> --- a/gnu/packages/kde-games.scm
>> +++ b/gnu/packages/kde-games.scm
>> @@ -1594,6 +1594,66 @@ (define-public kjumpingcube
>>  This package is part of the KDE games module.")
>>      (license (list license:gpl2+ license:fdl1.2+))))
>>  
>> +(define-public knights
>> +  (package
>> +    (name "knights")
>
>We already have a package called knights, so maybe we need a new name here
>
>> +    (version "24.05.2")
>> +    (source
>> +     (origin
>> +       (method url-fetch)
>> +       (uri (string-append "mirror://kde/stable/release-service/" version
>> +                           "/src/knights-" version ".tar.xz"))
>> +       (sha256
>> +        (base32 "19xsa79p0ad3cgm1zz2ykbm4487fyizshn7ir8f5azhkr1bi6l8k"))))
>> +    (build-system qt-build-system)
>> +    (arguments
>> +     (list #:qtbase qtbase))
>> +    (native-inputs
>> +     (list extra-cmake-modules kdoctools))
>> +    (inputs
>> +     (list kconfigwidgets
>> +           kcoreaddons
>> +           kcrash
>> +           kdbusaddons
>> +           ki18n
>> +           kio
>> +           kplotting
>> +           ksvg
>> +           ktextwidgets
>> +           kwallet
>> +           kxmlgui
>> +           libkdegames
>> +           libplasma
>> +           qtspeech
>> +           qtsvg))
>> +    (home-page "https://apps.kde.org/knights/")
>> +    (synopsis "Chess game")
>> +    (description "KNights is a chess game, featuring:
>> +
>> +@itemize
>> +@item local play between two players on the same computer
>> +@item play against any computer program that supports the XBoard protocol
>> +@item play on the Free Internet Chess Server (FICS)
>> +@item watching two computer engines play against each other
>> +@item support for legal move checking
>> +@item markers for possible moves, opponent%e2�%99s last move and sources of check
>> +@item board borders and site notations
>> +@item complete time control, with Plasma-styled clocks
>> +@item several themes, with the possibility of downloading new ones from within
>> + the program
>> +@item animated moves (configurable)
>> +@item views for playing on a chess server, including a seek graph, text
>> + console, and chat widget
>> +@item option to undo and redo moves
>> +@item graphic interface for making and receiving offers from remote players
>> +@item support for the UCI protocol (used by Stockfish, Chessbase, and many
>> + others)
>> +@item support for saving and loading Portable game notation (PGN) files
>> +@item use of Jovie, the KDE text-to-speak program, to speak opponent%e2�%99s moves
>> +@item ability to control the program via a D-Bus interface
>> +@end itemize")
>> +    (license license:gpl2+)))
>> +
>>  (define-public kde-games
>>    (package
>>      (name "kde-games")
>>
>> base-commit: 6e50b0c56a8cc767bd3acb26638f78c450bde718

Sughosha