backscattering.de

2020

• The Hashtable Packing Problem is strongly NP-complete

2019

• Lichess End of Year Update 2019 — Coauthored blog post including technical changes
• Pure CSS rounding for crisp chessboard images
• Chess in Rust: Vocabulary

2018

• 7-piece Syzygy endgame tablebases are complete — Blog post about the 7-piece chess endgame tablebases on lichess.org
• Developer update: 275% improved game compression — Blog post about chess game compression on lichess.org
• No bishop magics with fixed shift 8 — Talkchess post about Magic bitboards
• T. Ahlbrecht and J. Dix and N. Fiekas: The Multi-Agent Contest 2018 — Agents Teaming Up in an Urban Environment. Springer, 2020.

2017

• T. Ahlbrecht and J. Dix and N. Fiekas: Special Issue on Multi-Agent Contest 2017. Annals of Mathematics and Artificial Intelligence, Volume 84, Springer, 2018. (pdf, pre copy-edit)
• T. Ahlbrecht, J. Dix, N. Fiekas. Scalable Multi-agent Simulation based on MapReduce in Multi-Agent Systems and Agreement Technologies. EUMAS 2016. Lecture Notes in Computer Science, Vol. 10207, pp. 364–374. Springer, 2016. (revised pdf)
• D. Honsel, N. Fiekas, V. Herbold, M. Welter, T. Ahlbrecht, S. Waak, J. Dix, J. Grabowski. Simulating Software Refactorings based on Graph Transformations. Post proceedings of the SimScience Workshop 2017.

2016

• T. Ahlbrecht and J. Dix and N. Fiekas: Special Issue on Multi-Agent Contest 2016 - Agents in the City. IJAOSE. International Journal of Agent-Oriented Software Engineering, Volume 6 No. 1, Inderscience, 2018. (pdf, draft)
• T. Ahlbrecht, J. Dix, N. Fiekas, M. Köster, P. Kraus, J. P. Müller. An architecture for scalable simulation of systems of cognitive agents. International Journal of Agent-Oriented Software Engineering, Vol. 5, No. 2/3, pp. 232–265. Inderscience 2016.
• T. Ahlbrecht, J. Dix, N. Fiekas, J. Grabowski, V. Herbold, D. Honsel, S. Waack, M. Welter. Agent-Based Simulation for Software Development Processes in Multi-Agent Systems and Agreement Technologies. EUMAS 2016. Lecture Notes in Computer Science, Vol. 10207, pp. 333–340. Springer, 2016.
• Suicide chess tablebases (stalemated player wins) — Talkchess discussion leading to generation of 6 piece Syzygy tablebases for Atomic chess, Suicide chess and Giveaway.
• Guest post on chessprogramming.net about python‑chess