Add Ong preprint

lichess.bib

@@ -576,6 +576,15 @@ @misc{omori:2024:chess-rating-estimation-moves
   primaryclass  = {cs.LG},
 }
 
+@article{ong:2024:sparse-but-strategic-quantiative-insights-chess-middlegame-complexity,
+  title         = {Sparse but Strategic: Quantitative Insights into Chess Middlegame Complexity},
+  author        = {Ong, Justin and Bilali{\'c}, Merim and Vaci, Nemanja},
+  year          = {2024},
+  journal       = {Research Square},
+  doi           = {https://doi.org/10.21203/rs.3.rs-5574128/v1},
+  keywords      = {Chess Complexity, Move Prediction, Cognitive Modeling, Big Data Analysis, Sparse Data},
+}
+
 @inproceedings{palsson:2024:empirical-evaluation-concept-probing-game-playing-agents,
   title         = {Empirical Evaluation of Concept Probing for Game-Playing Agents},
   author        = {A{\dh}alsteinn P{\'{a}}lsson and Yngvi Bj{\"{o}}rnsson},

lichess.html

@@ -632,6 +632,14 @@
 href="https://arxiv.org/abs/2409.11506">https://arxiv.org/abs/2409.11506</a>.
 </div>
 <div
+id="ref-ong:2024:sparse-but-strategic-quantiative-insights-chess-middlegame-complexity"
+class="csl-entry" role="listitem">
+Ong, Justin, Merim Bilalić, and Nemanja Vaci. <span>“Sparse but
+Strategic: Quantitative Insights into Chess Middlegame
+Complexity.”</span> <em>Research Square</em>, 2024. doi:<a
+href="https://doi.org/10.21203/rs.3.rs-5574128/v1">https://doi.org/10.21203/rs.3.rs-5574128/v1</a>.
+</div>
+<div
 id="ref-palsson:2024:empirical-evaluation-concept-probing-game-playing-agents"
 class="csl-entry" role="listitem">
 Pálsson, Aalsteinn, and Yngvi Björnsson. <span>“Empirical Evaluation of