backscattering.de

2021

Lichess End of Year Update 2020 — Coauthored blog post including how we dealt with the influx of players during the pandemic
Stockfish 12 on Lichess — Blog post about queuing improvements for chess game analysis on lichess.org
The Hashtable Packing Problem is strongly NP-complete
Proposal for ISAmI doctoral consortium, plan to build an asynchronous AgentSpeak interpreter: Time in Multi-Agent Systems (pdf, pre copy-edit)

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.

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.

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