라이선스
사이트 저작권
© 2026 슥슥이닷컴(ssgssg2.com). 사이트의 디자인, 문구, 이미지 등 자체 제작 콘텐츠의 저작권은 운영자에게 있으며, 허락 없이 복제하거나 배포할 수 없습니다.
사용한 오픈소스
Stockfish 19 (stockfish.js 19.0.1) GPLv3
분석 보드의 엔진 분석에 사용합니다. © The Stockfish developers, WebAssembly 이식: Chess.com, LLC / Nathan Rugg
라이선스 전문: /engine/Copying.txt
소스 코드 (사용 중인 버전): Stockfish sf_19, stockfish.js 19.0.1 (releases)
Maia-3 (Maia3-23M 가중치) AGPLv3
Maia 봇 대전과 사람처럼 두는 수 예측에 사용합니다. © CSSLab, University of Toronto. ONNX 변환: bqrio (가중치 수정 없음). 사이트에서는 원본 그대로 실행만 합니다.
라이선스 전문: gnu.org/licenses/agpl-3.0
소스 코드: github.com/CSSLab/maia3, 가중치: huggingface.co/UofTCSSLab/Maia3-23M, 변환본: huggingface.co/bqrio/maia3-onnx
사이트의 Maia 실행 코드(입력 · 수 번호 규칙은 원본을 따름)도 AGPLv3로 공개합니다: /engine/maia/maia.js
ONNX Runtime Web 1.22.0 MIT
Maia 모델 실행에 사용합니다. Copyright (c) Microsoft Corporation
라이선스 전문: 아래 MIT 라이선스 · 소스 코드: github.com/microsoft/onnxruntime
chess.js BSD 2-Clause
체스 규칙 판정과 기보(PGN/FEN) 처리에 사용합니다. Copyright (c) Jeff Hlywa
라이선스 전문: 아래 BSD 2-Clause 라이선스 · 소스 코드: github.com/jhlywa/chess.js
체스 기물 이미지 세트별 라이선스
체스판의 기물 그림에 사용합니다 (설정 → 체스보드 → 기물 모양). 리체스(lichess.org)가 정리한 라이선스 목록에서 사용 조건이 분명한 세트만 넣었습니다.
- cburnett — © Colin M.L. Burnett · GPLv2+
- merida — © Armando Hernandez Marroquin · GPLv2+
- mpchess — © Maxime Chupin · GPLv3+
- chessnut — © Alexis Luengas · Apache 2.0
- fantasy — © Maurizio Monge · MIT
- spatial — © Maurizio Monge · MIT
- celtic — © Maurizio Monge · MIT
- shapes — © flugsio · CC BY-SA 4.0
- rhosgfx — © RhosGFX · CC0 1.0
- rhosgfx-classic, rhosgfx-flat — © RhosGFX (Vector Chess Pieces) · CC0 1.0
- johnpablok — JohnPablok's improved Cburnett chess set (Colin M.L. Burnett 원작 기반, 칸 크기에 맞게 여백 조정) · CC BY-SA 3.0
- kiwen-suwi — © neverRare · CC BY 4.0
- firi — © James Faure · CC BY 4.0
- totoy — © Kosal Sen · CC BY 4.0
- papercut — © Nikolay Anzarov · CC BY 4.0
- pirouetti — © pirouetti · AGPLv3+
- pixel — © therealqtpi · AGPLv3+
각 세트의 원본 SVG 파일은 /images/pieces/<세트 이름>/ 에서 그대로 받을 수 있습니다(이미지 자체가 소스입니다). johnpablok 세트는 CC BY-SA 3.0 에 따라 같은 라이선스로 배포합니다.
라이선스 전문: GPLv2 · GPLv3 · AGPLv3 · Apache 2.0 · MIT · CC BY-SA 4.0 · CC BY-SA 3.0 · CC BY 4.0 · CC0 1.0
출처: opengameart.org (JohnPablok), github.com/lichess-org/lila (COPYING.md), rhosgfx.itch.io/vector-chess-pieces
lichess chess-openings CC0
오프닝 자료 탐색기의 오프닝 이름과 ECO 분류에 사용합니다. © lichess.org contributors
Lichess 퍼즐 데이터베이스 CC0
훈련(퍼즐 · 테마별 퍼즐 · 블라인드 퍼즐 · 시각화 트레이닝)의 퍼즐 국면, 정답 수순, 퍼즐 레이팅, 테마에 사용합니다. 시각화 트레이닝의 이전 수순은 Lichess 공개 API 에서 원본 게임을 받아 씁니다. © lichess.org contributors
효과음 CC0 1.0
체스판 효과음(나무 · 부드러움 · 클릭 · 유리)과 정답 · 오답 소리에 사용합니다 (설정 → 인터페이스 → 효과음). Kenney의 Impact Sounds, Interface Sounds — © Kenney (www.kenney.nl)
소스: kenney.nl/assets/impact-sounds, kenney.nl/assets/interface-sounds
Lichess 효과음 AGPLv3+
효과음의 Lichess SFX · 피아노 · NES · 퓨처리스틱 세트에 사용합니다 (착수 · 잡기 · 체크 소리, 원본 그대로). © Enigmahack
소스: github.com/lichess-org/lila (public/sound) · 라이선스 목록: COPYING.md
Pretendard 글꼴 OFL 1.1
사이트 전체 글꼴로 사용합니다. © 2021 Kil Hyung-jin
라이선스 전문: /fonts/pretendard/OFL-LICENSE.txt
외부 데이터와 상표
사이트에 표시되는 레이팅과 계정 정보는 아래 서비스에서 가져옵니다. 각 이름과 로고는 해당 소유자의 상표이며, 슥슥이닷컴은 이들 서비스와 제휴 관계가 아닙니다.
- Chess.com (Published-Data API)
- Lichess (lichess.org API, 퍼즐 데이터베이스)
- FIDE (ratings.fide.com)
- 치지직 / NAVER (CHZZK Open API)
Licenses
Site Copyright
© 2026 ssgssg2.com. The design, text, images and other original content of this site belong to the operator and may not be copied or redistributed without permission.
Open Source Software
Stockfish 19 (stockfish.js 19.0.1) GPLv3
Used for engine analysis on the analysis board. © The Stockfish developers; WebAssembly port by Chess.com, LLC / Nathan Rugg
License text: /engine/Copying.txt
Source code (version in use): Stockfish sf_19, stockfish.js 19.0.1 (releases)
Maia-3 (Maia3-23M weights) AGPLv3
Used for Maia bot games and human-like move prediction. © CSSLab, University of Toronto. ONNX conversion: bqrio (weights unmodified). This site runs it as-is.
License text: gnu.org/licenses/agpl-3.0
Source code: github.com/CSSLab/maia3, weights: huggingface.co/UofTCSSLab/Maia3-23M, conversion: huggingface.co/bqrio/maia3-onnx
The site's Maia runner (input and move-index rules follow the original) is also published under AGPLv3: /engine/maia/maia.js
ONNX Runtime Web 1.22.0 MIT
Used to run the Maia models. Copyright (c) Microsoft Corporation
License text: MIT License below · Source code: github.com/microsoft/onnxruntime
chess.js BSD 2-Clause
Used for chess rules and PGN/FEN handling. Copyright (c) Jeff Hlywa
License text: BSD 2-Clause License below · Source code: github.com/jhlywa/chess.js
Chess piece images License per set
Used for the chess pieces (Settings → Board → Piece set). Only sets with clear usage terms from the lichess.org license list are included.
- cburnett — © Colin M.L. Burnett · GPLv2+
- merida — © Armando Hernandez Marroquin · GPLv2+
- mpchess — © Maxime Chupin · GPLv3+
- chessnut — © Alexis Luengas · Apache 2.0
- fantasy — © Maurizio Monge · MIT
- spatial — © Maurizio Monge · MIT
- celtic — © Maurizio Monge · MIT
- shapes — © flugsio · CC BY-SA 4.0
- rhosgfx — © RhosGFX · CC0 1.0
- rhosgfx-classic, rhosgfx-flat — © RhosGFX (Vector Chess Pieces) · CC0 1.0
- johnpablok — JohnPablok's improved Cburnett chess set (based on Colin M.L. Burnett's set; padding adjusted to fit squares) · CC BY-SA 3.0
- kiwen-suwi — © neverRare · CC BY 4.0
- firi — © James Faure · CC BY 4.0
- totoy — © Kosal Sen · CC BY 4.0
- papercut — © Nikolay Anzarov · CC BY 4.0
- pirouetti — © pirouetti · AGPLv3+
- pixel — © therealqtpi · AGPLv3+
The original SVG files of each set can be downloaded as-is from /images/pieces/<set name>/ (the images are their own source). The johnpablok set is distributed under the same CC BY-SA 3.0 license.
License texts: GPLv2 · GPLv3 · AGPLv3 · Apache 2.0 · MIT · CC BY-SA 4.0 · CC BY-SA 3.0 · CC BY 4.0 · CC0 1.0
Source: opengameart.org (JohnPablok), github.com/lichess-org/lila (COPYING.md), rhosgfx.itch.io/vector-chess-pieces
lichess chess-openings CC0
Used for opening names and ECO codes in the Opening Explorer. © lichess.org contributors
Lichess puzzle database CC0
Used for puzzle positions, solutions, puzzle ratings and themes in Training (Puzzles, Puzzle Themes, Blindfold Puzzles, Visualization). The earlier moves in Visualization come from the original games via the public Lichess API. © lichess.org contributors
Source: database.lichess.org (Puzzles)
Sound effects CC0 1.0
Used for board sounds (Wood, Soft, Click, Glass) and right / wrong sounds (Settings → Interface → Sound effects). Kenney's Impact Sounds and Interface Sounds — © Kenney (www.kenney.nl)
Source: kenney.nl/assets/impact-sounds, kenney.nl/assets/interface-sounds
Lichess sound effects AGPLv3+
Used for the Lichess SFX, Piano, NES and Futuristic sound sets (move, capture and check sounds, unmodified). © Enigmahack
Source: github.com/lichess-org/lila (public/sound) · License list: COPYING.md
Pretendard font OFL 1.1
Used as the site-wide font. © 2021 Kil Hyung-jin
License text: /fonts/pretendard/OFL-LICENSE.txt
External Data and Trademarks
Ratings and account information shown on this site come from the services below. All names and logos are trademarks of their respective owners, and ssgssg2.com is not affiliated with them.
- Chess.com (Published-Data API)
- Lichess (lichess.org API, puzzle database)
- FIDE (ratings.fide.com)
- CHZZK / NAVER (CHZZK Open API)
MIT License
ONNX Runtime Web — Copyright (c) Microsoft Corporation
fantasy, spatial, celtic piece sets — Copyright (c) Maurizio Monge
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
BSD 2-Clause License
chess.js — Copyright (c) Jeff Hlywa ([email protected]). All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.